CN115075291A - Underground warehouse modular structure using prefabricated segment vertical hole and construction method - Google Patents
Underground warehouse modular structure using prefabricated segment vertical hole and construction method Download PDFInfo
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- CN115075291A CN115075291A CN202110930356.5A CN202110930356A CN115075291A CN 115075291 A CN115075291 A CN 115075291A CN 202110930356 A CN202110930356 A CN 202110930356A CN 115075291 A CN115075291 A CN 115075291A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/121—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the connection between shaft elements, e.g. of rings forming said shaft
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/04—Lining shafts; Linings therefor with brick, concrete, stone, or similar building materials
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/12—Accessories for making shaft linings, e.g. suspended cradles, shutterings
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/51—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products
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Abstract
The invention relates to an underground warehouse modular structure and a construction method by utilizing a vertical hole of a prefabricated section, in an underground warehouse which is constructed in the vertical hole of a downward prefabricated section and is composed of a lifter arranged in a rotatable mode, the underground warehouse comprises: a plurality of first struts connected by a plurality of layers so as to be adjacent to the segment inner arcuate surface, and arranged at a predetermined angle; a first connection beam for connecting the first pillars adjacently arranged; a second pillar connected to the first pillar at a predetermined interval along a center direction of the vertical hole by a plurality of layers, and forming an angle identical to an arrangement angle of the first pillar; the second connecting beam is used for connecting and fixing the second support columns which are adjacently arranged; a third connection beam for connecting the first support column and the second support column arranged in opposition to each other; a floor slab supported on the upper surfaces of the first and second connection beams; and the floor module is arranged on each floor slab, more than two floors are formed, and all parts forming the underground warehouse are standardized.
Description
Technical Field
The invention relates to a construction method of an underground warehouse, which comprises the following steps: a ring-shaped segment is inserted into an excavation surface of a vertical hole, the segment is formed by connecting a plurality of prefabricated arch blocks along a lateral direction, an elevator and a floor are arranged on a wall surface of the vertical hole to construct an underground warehouse, and the segment is moved downward by repeating excavation of the ground and stacking of the segments.
More particularly, to an underground warehouse modular structure and construction method using prefabricated segment vertical holes, the underground warehouse comprising: a plurality of first struts connected in a plurality of layers in proximity to the inner arcuate surface of the segment and arranged at a prescribed angle; a first connection beam for connecting the first pillars adjacently arranged; a second pillar connected to the first pillar at a predetermined interval in a center direction of the vertical hole in a plurality of layers, and disposed at an angle equal to an arrangement angle of the first pillar; the second connecting beam is used for connecting and fixing the second struts which are adjacently arranged; a third connection beam for connecting the first support column and the second support column arranged in opposition to each other; a floor slab supported on upper surfaces of the first and second connection beams; and the floor module is arranged on each floor slab, more than two floors are formed, and all parts forming the underground warehouse are standardized.
Background
Recently, as the number of owned cars is rapidly increased, the extension of parking facilities becomes important, and the construction of underground parking lots is gradually increased in order to improve the proximity of buildings and parking spaces and to effectively utilize the parking spaces.
However, unlike large apartment buildings, in urban central areas, buildings are high-rise and dense due to high land prices, and thus, the space for constructing underground parking lots is limited.
In the case of the conventional underground parking lot, an entrance/exit passage for allowing vehicles to enter/exit the underground parking lot is required in addition to a parking floor space for parking the vehicles, and when the underground parking lot is formed of a plurality of floors, an elevating space for moving the vehicles to the parking floors of the floors is required, thereby causing a problem of a decrease in space utilization of the underground parking lot.
Therefore, as disclosed in korean laid-open patent publication No. 10-2001-0048499 (published 2001, 06, 15), in order to maximize the number of cars parked in a limited space, underground parking lot construction in which a plurality of parking floors are radially formed along a vertical hole wall surface inside a circular vertical hole, space utilization efficiency of an underground parking space is improved by providing an elevator at a center portion of the vertical hole, is gradually expanded.
In order to form the underground parking lot as described above, when constructing the vertical hole, a downward prefabricated segmental vertical hole construction method is applied as follows: in order to shorten the time consumed for setting a formwork for forming an inner wall of a vertical hole and curing concrete, arch-shaped precast blocks are previously manufactured, and segments formed of a ring-shaped block assembly in which a plurality of precast blocks are connected in a lateral direction are inserted and stacked on an excavated surface of the vertical hole at an underground parking lot construction site, thereby forming the inner wall of the vertical hole.
In the process of descending the stacked sections, the inclination of the vertical hole wall surface and the fine gap or displacement between the section stacked connection parts occur due to the uneven descending of the section stacked body resulting from the difference in soil texture constituting the excavated ground, which leads to the construction defects that the vibration resistance of the underground parking lot and the air tightness between the section stacked connection parts are reduced, the structural stability of the underground parking lot is reduced, water leakage occurs through the connection parts, and the support structure of the underground parking lot is constructed together when the parking floors are formed along the inner walls of the section stacked body after the wall surface construction of the underground parking lot according to the down-type prefabricated section vertical hole construction method is completed.
As a prefabricated vertical core structure and a construction method thereof of korean patent laid-open publication No. 10-2214779 (granted on 04/02/2021), a support structure for an underground parking lot is formed in a form of a partition as follows: when the parking floors are formed in order from the lowest floor to the upper floor of the underground parking lot, the wall surface supporting structure of the underground parking lot is arranged at the center of the underground parking lot from the bottom of the vertical hole to the upper direction according to the floor height of the parking floor in construction, so that the parking floors of each floor can be supported, and various underground facilities can be arranged in the underground parking lot.
Further, as a method for constructing a circular underground parking lot disclosed in chinese patent publication No. 1122196335 (published 2021, 01/08), the following support structure for an underground parking lot is disclosed: a column is provided in the center of the segment stacked body along the height direction of the vertical hole, and each column is fixed by a steel beam.
However, in the partition type support structure, in the process of constructing the parking floors of each floor in order from the lowest floor of the underground parking lot toward the upper direction and constructing the support structure, construction delay may occur, and in the support structure passing through the column and the steel beam provided at the center of the vertical hole, it is more difficult to provide the column as the depth of the underground parking lot is deeper, and buckling of the column is likely to occur due to the floor supported by the column and the load of the vehicle mounted thereon, and thus there is a need for improvement of the wall surface support structure of the underground parking lot which can further improve the construction efficiency and the structural stability of the underground parking lot.
In addition, in order to improve the transportation efficiency of the logistics, hubs (hubs) are formed in each main area, the logistics containers are temporarily stored in logistics warehouses of the hubs and then are individually transported to destinations, mass transportation of the logistics on sea or land is mainly completed by standardized containers, and the logistics containers temporarily stored at the departure or destination are stored in container yards.
The container yard or the general logistics warehouse is provided with unloading equipment such as a crane or a forklift which can load or unload logistics containers or cargos such as ships or transport vehicles to or from the ships or transport vehicles, the utilization efficiency of the storage space is improved by stacking the cargos such as containers into a plurality of layers by the unloading equipment, and the stacking height of the cargos such as containers is limited to prevent the occurrence of economic loss or safety accidents due to damage or collapse of the containers or packages for protecting the cargos caused by the loads of the stacked cargos, thereby limiting the time for securing the storage space of the cargos.
In particular, when storing goods such as a logistics container in a conventional manner in a container yard or a logistics warehouse, it is necessary to move all the goods stacked on the top of the corresponding goods in order to sort and transport specific goods located on the bottom of other goods stacked on the top, which is difficult in sorting, storing, and transporting of logistics, and thus there is an increasing need to provide a logistics warehouse capable of easily sorting, storing, and transporting goods while improving the availability of goods storage space of a logistics container or the like.
Documents of the prior art
Patent document
Patent document 1: korean laid-open patent publication No. 10-2001-0048499 (published 2001, 06, 15)
Patent document 2: korean granted patent publication No. 10-2214779 (granted on 04 months in 2021)
Patent document 3: chinese patent publication No. 1122196335 (published 2021 by 01 month and 08 days)
Disclosure of Invention
Technical problem
An object of an embodiment of the present invention is to provide an automobile or a logistics warehouse using a vertical hole of a prefabricated segment of a down type, thereby easily securing a parking space of the automobile and improving a space utilization rate of the logistics warehouse.
An object of an embodiment of the present invention is to provide a support structure for replacing a partition-shaped wall surface support structure for supporting each floor when forming a wall surface of an underground warehouse according to a down prefabricated segment vertical hole construction method, thereby improving the construction efficiency of the underground warehouse and further improving the structural stability of the underground warehouse.
An object of an embodiment of the present invention is to prevent buckling of a support column caused by a load applied to a support structure when the column for supporting a central portion of an underground warehouse is provided, thereby securing structural stability of the underground warehouse.
An object of an embodiment of the present invention is to provide a logistics warehouse, in which a circular storage space using a vertical hole of a downward prefabricated segment is used, and goods such as a logistics container can be stored and transferred by screening using a lifter, thereby further improving the efficiency of unloading work of the logistics warehouse and the utilization rate of the logistics warehouse.
Technical scheme
According to an embodiment of the present invention, an underground warehouse is constructed by inserting a ring-shaped segment into an excavation surface of a vertical hole, the segment being formed by connecting a plurality of prefabricated arch blocks in a lateral direction, and forming a wall surface of the vertical hole by moving the segment downward by repeating excavation of a ground surface and stacking of the segments, and lifters and floors being provided on an inner circumferential surface of an inner wall of the vertical hole in a plurality of levels, the lifters being rotatably provided at a center of the vertical hole, the underground warehouse comprising: a plurality of first struts which are connected in a plurality of layers along the height direction of the vertical hole in a manner of approaching the inner arched surface of the segment, are arranged at a predetermined angle along the inner wall of the segment, and are formed by a hollow pipe to be filled with concrete; a first connection beam provided so as to connect first pillars adjacently arranged in each layer; a second support column which is provided in a plurality of layers connected in the height direction of the vertical hole so as to be spaced apart from the first support column by a predetermined distance in the center direction of the vertical hole, is disposed so as to form an angle equal to the angle at which the first support column is disposed, and is formed of a hollow pipe to be filled with concrete; a second connection beam provided so as to connect and fix second pillars arranged adjacent to each other in each layer; a third connection beam for connecting the first support column and the second support column arranged in opposition to each other for each layer; a plurality of floors provided so as to be supported on upper surfaces of the first and second connection beams of each floor, and having a lifting port formed along a center direction of the vertical hole, the lifting port being provided with a lifter; and a plurality of floor modules which are arranged in the space between the first support and the second support of each floor slab, wherein more than two floors are formed, and all the parts forming the underground warehouse are standardized.
According to an embodiment of the present invention, the first fastening rib and the second fastening rib are formed on the upper and lower end connecting portions of the first pillar and the second pillar, respectively, to protrude radially along the outer peripheral surface, the plurality of fastening holes are formed on the first fastening rib and the second fastening rib, respectively, to form a predetermined angle, and the opposing fastening holes of the first pillar and the second pillar connected up and down are connected to the fastening members, respectively, to connect the connecting portions of the first pillar and the second pillar to each other.
According to an embodiment of the present invention, a first bracket is formed at a connecting portion of the first connection beam and the third connection beam of each first column, a first connector having a shape complementary to a cross-sectional shape of a distal end of the first connection beam and the third connection beam is formed at a distal end of each first bracket, a second bracket is formed at a connecting portion of the second connection beam and the third connection beam of each second column, a second connector having a shape complementary to a cross-sectional shape of a distal end of the second connection beam and the third connection beam is formed at a distal end of each second bracket, a plurality of fastening holes are formed at a coupling portion between each first connection beam or third connection beam and the first connector and a coupling portion between the second connection beam or third connection beam and the second connector, and the respective fastening holes facing each other are connected to the fastening member to couple each beam and the connector.
According to an embodiment of the present invention, an auxiliary beam for connecting the center portions of the first and second connection beams arranged to face each other for each layer is provided, one end of the auxiliary beam protrudes by a predetermined length in the center direction of the vertical hole, and the outer peripheral surface of the ring beam having a ring shape is connected to the protruding end of each auxiliary beam.
According to an embodiment of the present invention, a damper support rod is installed on an outer circumferential surface of a connection portion of a first connection beam or a third connection beam of a first pillar such that the first connection beam or the third connection beam is connected to an upper surface of the damper support rod, a tip of the first connection beam or the third connection beam connected to the damper support rod is spaced apart from the outer circumferential surface of the first pillar by a predetermined interval, and when an external force is applied to an underground warehouse, a damping action is generated due to a play between the first pillar and the first connection beam or the third connection beam.
According to an embodiment of the present invention, a damper guide is installed on an upper portion of the damper support rod, the damper guide forms a groove having a parabolic shape with a downwardly convex surface, and a lowest point of the groove is disposed concentrically with an outer circumferential surface of the first strut, and a first damper or a second damper is protruded at a lower portion of a distal end of the first connection beam or the third connection beam connected to the damper support rod, respectively, to contact between the damper guide and the first damper or the second damper, and when a play occurs between the first strut and the first connection beam or the third connection beam, a damping action is generated while the first damper or the second damper returns to a lowest point position of the groove of the damper guide.
According to an embodiment of the present invention, an upper plate constituting an upper cover structure of the underground warehouse is provided at upper ends of first and second columns disposed at the uppermost end of the underground warehouse, an outer circumferential surface diameter of the upper plate is larger than an outer circumferential surface diameter of the segment, a segment fixing beam for fixing the uppermost end of the segment is formed to protrude from a lower surface of the upper plate, and the segment fixing beam is formed of an inner fixing beam having a ring shape for fixing an inner circumferential surface of the upper end of the segment and an outer fixing beam having a ring shape for fixing an outer circumferential surface of the upper end of the segment.
According to an embodiment of the present invention, at least one passage is formed between the first and second pillars facing each other, the third connection beam provided at a position where the passage is formed is in a form in which the first pillar connecting direction end is branched into two, each end of the branched third connection beam is connected to the first connection beam, the first connection beam is connected to both sides of the first pillar, and the passage is formed between the branched spaces of the third connection beam.
ADVANTAGEOUS EFFECTS OF INVENTION
According to the embodiment of the invention, the following effects are achieved: the first support column and the second support column are connected through the connecting beam to form a support column with a frame structure and a beam module structure, so that the structural stability of the constructed underground warehouse can be improved.
According to the embodiment of the invention, the following effects are achieved: the prefabricated segment stacked body and the support column and beam module structure which constitute the wall surface of the underground warehouse are arranged at a predetermined interval from each other, and when an external force is applied due to an earthquake or the like, the support column and beam module structure and the segment constituting the wall surface of the underground warehouse are moved apart from each other, and a load of a storage is prevented from being directly applied to the segment, thereby further improving the structural stability of the underground warehouse.
According to the embodiment of the invention, the following effects are achieved: through the integrated configuration between the pillar cylinder tie-beam that links along the direction of height of vertical hole, compare with the wall bearing structure thing construction of current baffle form, shorten the bearing structure thing and set up the engineering time that the construction consumed, in the work progress, omit the formation of baffle structure thing to can improve the efficiency of construction.
According to the embodiment of the invention, the following effects are achieved: after the modular structure of the pillars and beams of the underground warehouse and the floor slabs are arranged, the floor modules with more than two floors are arranged on the upper part of each floor slab to form a plurality of floors simultaneously, so that the construction time of the underground warehouse can be greatly shortened.
According to the embodiment of the invention, the following effects are achieved: concrete is Filled into a hollow pipe-shaped column body to form a Concrete Filled steel Tube (CFT) structure, so that the column body functions not only as a reinforcing frame structure of an underground warehouse but also as a foundation of an upper structure constructed on the upper portion of the underground warehouse, thereby reducing the construction cost of the upper structure.
According to the embodiment of the invention, the following effects are achieved: the column-shaped pillar body, which is longer than the thickness and takes the shape of a cylinder, is divided into a plurality of parts and connected up and down, and the pillar bodies are connected and fixed by the connecting beam, thereby preventing the buckling of the pillar bodies.
According to the embodiment of the invention, the following effects are achieved: the pillar body, which is easily deformed and damaged due to its longer length than its thickness, is formed into a lightweight hollow structure and a divided structure, so that the pillar body can be more easily installed.
According to the embodiment of the invention, the following effects are achieved: first pillar and first tie-beam or third tie-beam separate each other, make first tie-beam or third tie-beam connect in the upper portion at the attenuator bracing piece of first pillar installation with the mode that can move about and produce the damping action to can further improve the resistant performance and the structural stability of shaking of the underground warehouse of the effective dispersion of vibration and impact with the help of modular structure thing.
According to the embodiment of the invention, the following effects are achieved: by the groove shape of the damper guide installed at the damper support rod, when an external force is applied due to an earthquake or the like, the load of the floor slab, the floor module and the loaded conservator acts as a restoring force, thereby further improving the structural stability of the column and beam module structure of the underground warehouse.
According to the embodiment of the invention, the following effects are achieved: when forming a passage for moving between floors of each floor slab, a connection beam formed with the passage is formed in a form of being branched into two, and the passage is formed between branched spaces of the connection beam to form a frame of the passage for the connection beam, thereby omitting a separate frame structure setting process for constructing the passage and shortening construction time.
Drawings
Fig. 1 is a diagram showing a block structure of segments constituting an outer wall of an underground warehouse in an underground warehouse structure of an embodiment of the present invention;
fig. 2 is a view showing a vertical sectional structure of an underground warehouse according to an embodiment of the present invention;
fig. 3 is a plan view showing a connection structure between modular pillars and beams of the underground warehouse according to an embodiment of the present invention;
fig. 4 is a perspective view showing a connection structure between modular pillars and beams of an underground warehouse according to an embodiment of the present invention;
FIG. 5 is a top plan view showing an embodiment of the modular buckstays and beam-to-beam connection structure of an underground warehouse adapted with arched beams according to the present invention;
fig. 6 is a perspective view showing an embodiment of a modular pillar and beam-to-beam connection structure of an underground warehouse to which arched beams are applied according to the present invention;
fig. 7 is a view showing an up-down direction connecting structure between first struts according to an embodiment of the present invention;
fig. 8 is a view showing a vertical connecting structure between second supports according to the embodiment of the present invention;
fig. 9 is a plan view illustrating a connection structure between a first pillar and first and third connection beams according to an embodiment of the present invention;
fig. 10 is a plan view showing a connection structure between the second strut and the second and third connection beams according to the embodiment of the present invention;
fig. 11 is a side view showing a connection structure between a first pillar and first and third connection beams according to an embodiment of the present invention;
fig. 12 is a side view showing a connection structure between the second strut and the second and third connection beams according to the embodiment of the present invention;
fig. 13 is a plan view showing an embodiment of a modular pillar and beam-to-beam connection structure of an underground warehouse with auxiliary beams installed according to the present invention;
fig. 14 is a plan view showing an example of a connection structure between the damper support rod mounted to the first column and the first and third connection beams in the modular column-beam connection structure of the underground warehouse of the present invention;
fig. 15 is a plan view showing a connection structure between a damper support rod installed to a first column and first and third coupling girders in a modular column-and-girder connection structure of an underground warehouse to which arched girders are applied according to an embodiment of the present invention;
fig. 16 is a view showing a sectional structure of a contact portion between a damper guide and a damper according to an embodiment of the present invention;
fig. 17 is a view illustrating a mechanism of damping (damming) an external force applied to the underground warehouse when the damper moves and returns along the parabolic-shaped groove formed at the surface of the damper guide in the connection structure between the modular pillars and beams of the underground warehouse of the present invention;
fig. 18 is a plan view showing a connection structure between modular pillars and beams of an underground warehouse to which auxiliary beams and ring beams are applied according to an embodiment of the present invention;
FIG. 19 is a view showing a sectional shape and a connection structure of an upper plate of the embodiment of the present invention;
fig. 20 is a top view showing a connection structure between modular pillars and beams for forming a passageway of an underground warehouse using third connection beams in a branching shape according to an embodiment of the present invention.
Description of the reference numerals
1: vertical hole 2: underground warehouse
3: superstructure 3 a: upper support
3 b: upper beam 3 c: upper plate
10: segment 20: lifting device
30: passage 40: floor module
100: block 200: first strut
201: first bracket 202: first connector
210: first fastening rib 220: first connecting beam
221: first damper 230: damper support rod
231: damper guide 300: second support
301: the second bracket 302: second connector
310: second fastening rib 320: second connecting beam
400: third connection beam 401: third support
402: third connector 403: second damper
410: the auxiliary beam 420: ring beam
500: floor 510: lifting port
520: upper plate 521: segmental fixed beam
522: the inner fixing beam 523: outside fixed beam
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
The details will be described mainly for understanding the operation and action of the present invention.
When the embodiments of the present invention are explained, the explanation of technical contents that are well known in the technical fields to which the present invention pertains and that are not directly related to the present invention will be omitted.
This is for the purpose of not obscuring the subject matter of the present invention and of more clearly conveying the subject matter of the present invention by omitting unnecessary description.
In describing the components of the present invention, the components having the same name may be given different reference numerals according to the drawings, and the same reference numerals may be given to different drawings.
However, even in this case, it does not mean that the respective constituent elements have different functions from each other or have the same function in different embodiments according to the embodiments, and the function of each constituent element should be determined based on the description about each constituent element in the respective embodiments.
Also, unless otherwise specifically defined in the present specification, technical terms used in the present specification should be construed as meanings commonly understood by those of ordinary skill in the art to which the present invention belongs, and should not be construed as over-inclusive or over-simplified meanings.
Also, as used in this specification, the singular expressions include the plural expressions unless the context clearly dictates otherwise.
In the present application, the terms "constituting" or "including" and the like should not be construed to necessarily include all of the plurality of structural elements or the plurality of steps described in the specification, should be construed to include no part of the structural elements or the plurality of steps therein or may include additional structural elements or steps.
The underground warehouse 2 of the present invention is used as an underground logistics warehouse, an underground parking lot, or the like, and as shown in fig. 2, the inner wall of the underground warehouse 2 is formed by stacking a plurality of segments 10 on the excavation surface of a vertical hole 1 excavated in the vertical direction from the ground surface.
As shown in fig. 1, the segments 10 are formed by a combination of ring-shaped blocks 100 connecting prefabricated (precast) arch blocks 100 in a lateral direction, and when stacking of the upper ends of the segments 10 and excavation of the bottom surface of the vertical hole are repeatedly performed until the height of the underground warehouse 2 to be constructed is reached, the inner wall of the underground warehouse 2 is formed while the stack of the segments 10 moves downward in the excavation direction of the vertical hole 1 due to the self weight of the stack of the segments 10 or the pressing force applied from the press-in device.
The modular structure of the present invention is applied to the inside of the wall surface of the underground warehouse 2 formed by stacking the segments 10, and as shown in fig. 2 to 4, the plurality of first support columns 200 are arranged so as to form a predetermined angle with the cross-sectional direction of the vertical hole 1 along the inner wall of the segment 10, thereby approaching the inner arcuate surface of the segment 10 stacked on the ground concrete (ground concrete) of the vertical hole 1.
The first support column 200 is formed of a hollow pipe, and as shown in fig. 7, a first fastening rib 210 protruding in a radial shape is formed along an outer circumferential surface at an upper and lower end of the first support column 200, and a plurality of fastening holes (fastening holes) are formed at the first fastening rib 210 so as to form a predetermined angle.
A plurality of first struts 200 arranged at a predetermined angle along the inner wall of the segment 10 are connected in the height direction of the vertical hole 1 to form one column constituting a layered structure, and opposite fastening holes between the vertically connected first struts 200 are connected to fastening members (fasteners), respectively, so that the connection portions of the columns of the first struts 200 are coupled to each other.
The second support columns 300 are provided on the ground concrete of the vertical hole 1 so as to be spaced apart from the first support columns 200 by a predetermined distance along the center direction of the vertical hole 1, the arrangement angle between the second support columns 300 is set to be the same as the arrangement angle of the first support columns 200, and a virtual straight line connecting the centers of the first support columns 200 and the second support columns 300 arranged to face each other passes through the center axis of the underground warehouse 2 forming a circular shape.
The second support column 300 is also formed of a hollow pipe, as in the first support column 200, and as shown in fig. 8, second fastening ribs 310 protruding radially are formed along the outer circumferential surface at the upper and lower ends of the second support column 300, and a plurality of fastening holes are formed at the second fastening ribs 310 so as to form a predetermined angle.
A plurality of second support columns 300 arranged at a predetermined angle in an opposite manner at the installation position of the first support column 200 are connected in the height direction of the vertical hole 1 to form one column constituting a layered structure, and the opposite fastening holes between the vertically connected second support columns 300 are connected to fastening members, respectively, so that the connection portions of the columns of the second support columns 300 are coupled to each other.
Preferably, the coupling means for coupling the coupled first support column 200 with the coupling portion of the cylinder of the second support column 300 is composed of a bolt and a nut.
The hollow portion of each column formed by the plurality of first columns 200 and second columns 300 is filled with concrete, each column of the first columns 200 and second columns 300 is formed in a steel pipe concrete structure, and preferably, the first columns 200 and second columns 300 connected up and down in a modular manner forming the underground warehouse 2 are formed in the same specification.
The first connection beams 220 are provided on the upper side surfaces of the first pillars 200 arranged adjacent to each other in each layer to connect the adjacent first pillars 200, and the second connection beams 320 are provided on the upper side surfaces of the second pillars 300 arranged adjacent to each other in each layer to connect and fix the adjacent first pillars 200.
Preferably, in order to ensure the rigidity of the finished underground warehouse 2, the first and second connection beams 220 and 320 are steel beams forming an H-shaped or I-shaped cross-sectional structure, as shown in fig. 5 and 6, each of the first and second connection beams 220 and 320 is formed in an arc (arc) shape forming a concentric (concentric) with the section 10, and the first and second connection beams 220 and 320 connected to each other may have a ring shape for each layer.
The first pillars 200 and the second pillars 300 arranged to face each other in each layer are connected to each other by the third connection beams 400, and as shown in fig. 9 and 11, the first brackets 201 may be formed at the connection portions between the first pillars 200 and the first connection beams 220 and between the first pillars 200 and the third connection beams 400, and the first connectors 202 coupled to the first connection beams 220 or the third connection beams 400 may be formed at the ends of the first brackets 201.
The first connector 202 is formed in a shape complementary to the sectional shape of the distal ends of the first and third connection beams 220 and 400, a plurality of fastening holes are formed at the coupling portion between each of the first support columns 200 or the third connection beams 400 and the first connector 202, and the facing fastening holes of the coupled first support columns 200 or the third connection beams 400 and the first connector 202 are coupled with fastening members, respectively, to couple the beams and the connectors.
As shown in fig. 10 and 12, a second bracket 301 may be formed at a connection portion between each second strut 300 and the second connection beam 320 and between the second strut 300 and the third connection beam 400, and a second connector 302 coupled to the second connection beam 320 or the third connection beam 400 may be formed at a distal end of each second bracket 301.
The second connector 302 is formed in a shape complementary to the sectional shape of the distal ends of the second and third connection beams 320 and 400, a plurality of fastening holes are formed at the coupling portion between each of the second and third connection beams 320 and 400 and the second connector 302, and the facing fastening holes of the coupled second and third connection beams 320 and 400 and the second connector 302 are coupled to fastening members, respectively, to couple each of the beams and the connectors.
The floor 500 is installed on the upper surface of the first coupling beam 220 and the second coupling beam 320 for each floor, and for convenience of installation, the floor 500 installed on each floor is divided into a plurality of modules having the same specification, and a lifting/lowering hole 510 is formed in the floor 500 along the center direction of the vertical hole 1, and the lifting/lowering hole 510 is used for installing the lifter 20, and each floor 500 module has a fan shape in which two arcs are formed on the outer side and the inner side.
Each floor slab 500 is disposed in a space between the first and second columns 200 and 300 disposed adjacent to each other such that upper surfaces of the first and second coupling beams 220 and 320 and the third coupling beams 400 disposed in the first and second columns 200 and 300 of each floor slab are located at the same height, thereby preventing the floor slab 500 from being inclined toward one side, and the connection portion between the adjacent floor slabs 500 is supported by the third coupling beams 400, thereby forming a more stable installation structure.
On the upper portion of the floor 500 of each floor, a plurality of floor modules 40 are disposed on each floor 500 module, and the floor modules 40 having two or more floors (floor) formed thereon are installed on the floor 500 in a state where the floor modules 40 are assembled, or the floor modules 40 in an unassembled state are transferred to each floor 500 and then assembled.
In this case, in the case of constructing the underground warehouse 2 by the downward construction method of the segment 10 according to the conventional method, floors are sequentially formed from the lowermost layer of the underground warehouse 2 toward the upper direction, and in order to support the floors and install various underground facilities during the floor construction, a support structure formed of partitions is simultaneously constructed in the center portion of the underground warehouse 2 from the bottom of the vertical hole 1 toward the upper direction according to the floor height of the floor under construction, and the construction time of the underground warehouse 2 increases during the construction of the partition structure.
Therefore, in the present application, the construction processes of the floors of the underground warehouse 2 and the partition structures for supporting the floors according to the conventional method are simplified by providing the modularized columns, beams, and floors of the stack of the support sections 10, and the floors of a plurality of floors can be formed at the same time by providing one floor module 40, so that the construction time of the underground warehouse 2 can be greatly shortened.
The elevator 20 is provided in the center of the underground warehouse 2, and the elevator 20 is rotatably configured through an elevator opening 510 formed in the center of the floor 500 of each floor.
The elevator 20 is configured to move a vehicle, a physical distribution container, other goods, or the like loaded on the ground of the underground warehouse 2 to an empty floor entrance of the floor module 40 by lowering and rotating the vehicle, the physical distribution container, or the like to be loaded on the ground into the underground warehouse 2, and then to load the vehicle, the physical distribution container, or the like on the upper part of the floor or to move the vehicle, the physical distribution container, or the like loaded on the underground warehouse 2 to the floor entrance where the goods are located, thereby loading the stored load on the elevator 20 and moving the load to the ground.
As shown in fig. 13, the auxiliary beam 410 is provided at the center of each of the first and second connection beams 220 and 320 disposed to face each other on a layer-by-layer basis, and the first and second connection beams 220 and 320 can be connected to each other, and the auxiliary beam 410 can be provided in all spaces between the adjacent first and second support columns 200 and 300, or in a part of the spaces between the first and second support columns 200 and 300 so as to form a predetermined angle.
One end of the auxiliary beam 410 protrudes a predetermined length in the center direction of the vertical hole 1, and a ring beam 420 having a ring shape is connected to the end of each protruding auxiliary beam 410.
The auxiliary girder 410 is formed in a more stable and stable modular structure of the underground warehouse 2 by fixing the first connection girder 220 and the second connection girder 320 to each other, so that the maximum load of the preserved items loaded on the upper portion of the floor 500 can be increased, the ring girder 420 supports the side portion of the lifter 20 provided at the center of the underground warehouse 2, has a relatively narrow width compared to the height, prevents the deformation or damage of the lifter 20 structure, which is easily buckled, and prevents the shaking of the lifter 20 structure when the preserved items of a high load are transferred, thereby further improving the operation stability of the lifter 20.
As shown in fig. 14 and 15, the damper support rod 230 may be attached to the outer circumferential surface of the connection portion of the first connection beam 220 or the connection portion of the third connection beam 400 of the first support column 200 of each layer, the end of the first connection beam 220 or the third connection beam 400 connected to the damper support rod 230 may be disposed on the upper surface of the damper support rod 230 at a predetermined interval from the outer circumferential surface of the first support column 200, and may be connected to the first support column 200 in a state of not being fixed thereto, thereby generating play between the first support column 200 and the first connection beam 220 or the third connection beam 400.
In this case, when an external force is applied due to an earthquake or the like, the stack of the segments 10 constituting the wall surface of the underground warehouse 2 and the first support column 200 are spaced apart from each other, and thus the modular structure constituted by connecting the support columns and the beams moves independently of the segments 10.
Accordingly, the load of the storage loaded on the module structure and each floor 500 does not directly act on the segment 10, and the connection between the blocks 100 constituting the segment 10 is prevented from being disconnected or the inclination or displacement is prevented from occurring between the stacking surfaces of the segments 10, thereby improving the structural stability of the stacked body of the segments 10 in the underground warehouse 2.
In particular, the modular structure realizes independent movement between the two structures of the connection body of the first column 200 and the first connection beam 220 and the connection body of the second column 300 and the second connection beam 320 by the play between the first column 200 and the first connection beam 220 or the third connection beam 400, and generates a damping effect due to the play between the first column 200 and the first connection beam 220 or the third connection beam 400 when an external force is applied due to an earthquake or the like.
Compared with the integrated module structure in which the first and second pillars 200 and 300, the first and second connection beams 220 and 320 and the third connection beams 400 are fixed to each other, the module structure in which the damper support rod 230 is applied to the damper structure can reduce vibration and impact applied to the module structure by reducing the shaking amplitude of the integrated module structure, and thus, vibration resistance of the underground warehouse 2 can be improved and structural stability can be further improved by more easily dispersing the vibration and impact of the module structure.
Further, as shown in fig. 16, in order to improve the damping performance of the damper support rod 230, a damper guide 231 is installed at the upper portion of the damper support rod 230, and the first damper 221 or the second damper 403 is formed at the lower portion of the distal end of the first connection beam 220 or the third connection beam 400 connected to the upper portion of the damper support rod 230, respectively, whereby the first damper 221 or the second damper 403 can be brought into contact with the upper surface of the damper guide 231.
In this case, a concave groove having a parabolic shape protruding downward may be formed on the upper surface of the damper guide 231, the lowest point of the concave groove may be disposed concentrically with the outer circumferential surface of the first support 200, and a protrusion having a protruding surface may be formed on the lower surface of the first damper 221 or the second damper 403.
Accordingly, as shown in fig. 17, when play occurs between the first support column 200 and the first connection beam 220 or the third connection beam 400 due to an external force, the lowest point of the projection surface of the first damper 221 or the second damper 403 is separated from the lowest point of the groove of the damper guide 231, and the lowest point of the projection surface of the first damper 221 or the second damper 403 is returned to the lowest point of the groove of the damper guide 231 again due to the load of the floor 500 and the loaded storage, thereby more rapidly generating a damping action.
When an excessive external force acts on the modular structure, the free distance is restricted while the tip of the first connection beam 220 or the third connection beam 400 contacts the outer circumferential surface of the first strut 200, and the first strut 200 functions as a stopper to prevent the first damper 221 or the second damper 403 from being detached from the damper guide 231.
In particular, in the case of a structure reflecting a vibration-proof design, when deformation or separation occurs between structural material connecting portions of pillars, beams, etc., the stability of the structure can be greatly reduced, and in the modular structure of the underground warehouse 2 of the present invention, when an external force is applied due to an occurrence of an earthquake, etc., the movement between the first pillars 200 and the first connection beams 220 or the third connection beams 400 prevents the deformation of the connecting portions between the pillars and the beams, and the connecting portions of the modular structure moving through the damper guides 231 can be returned to their original states, thereby greatly improving the vibration-proof performance and durability of the underground warehouse 2.
An upper plate 520 constituting an upper cover structure of the underground warehouse 2 may be provided at upper ends of the first and second supports 200 and 300 disposed at the uppermost end of the underground warehouse 2, and an outer circumferential surface diameter of the upper plate 520 is preferably greater than an outer circumferential surface diameter of the segment 10.
A section fixing beam 521 for fixing the uppermost end of the section 10 may be formed to protrude in a ring shape on the lower surface of the upper plate 520, and the section fixing beam 521 may be formed of an inner fixing beam 522 in a ring shape for fixing the inner circumferential surface of the upper end of the section 10 and an outer fixing beam 523 in a ring shape for fixing the outer circumferential surface of the upper end of the section 10, thereby preventing a gap from occurring between the blocks 100 disposed at the upper end of the section 10 or a separation of the connection portion from occurring, and thus, the structural stability of the constructed underground warehouse 2 may be further improved.
Also, at least one passageway 30 may be formed between the facing first and second supports 200 and 300, and an emergency staircase or escalator or elevator for moving between floors may be provided at the passageway 30.
As shown in fig. 20, the third connection beam 400 provided at a position where the channel 30 is formed may be formed in two with the connection end branch (bridging) of the first pillar 200, and the channel 30 may be formed between spaces of the branches of the third connection beam 400.
The third connection beam 400 of the branched form forms a frame for setting the passageway 30 of the emergency staircase or escalator or lift, so that the construction time of the passageway 30 of the underground storehouse 2 can be shortened.
The underground parking lot construction method using the vertical hole of the prefabricated segment of the downward type according to the embodiment of the present invention, which is constructed in the above manner, includes: a first step S10 of forming a wall surface of the underground warehouse 2; a second step S20 of setting a pillar and beam module at the lowermost end; a third step S30 of additionally providing pillars and beam modules to form a plurality of layers; a fourth step S40 of filling concrete into the inner space of the column; a fifth step S50 of providing a floor slab 500; and a sixth step S60 of setting the floor module 40.
In the first step S10, a ring-shaped sheath (shoe) for protecting the lower surface of the lowermost segment 10 is disposed at the vertical hole 1 position, and the lowermost segment 10 of the ring shape is combined with the upper portion of the sheath, the segment 10 being formed by connecting a plurality of prefabricated arch blocks 100 in the lateral direction (S11).
When the coupling and arrangement between the sheath and the lowermost segment 10 are completed, the bottom surface of the vertical hole 1 in which the sheath is arranged is excavated to move the sheath and the segment 10 downward (S12), and when the bottom surface of the vertical hole 1 is excavated, the sheath and the segment 10 are simultaneously moved downward by the self weight of the sheath and the segment 10.
Thereafter, the process of moving the laminated structure downward according to the section 10 excavating the bottom surface of the vertical hole 1 and adding the laminated section 10 is repeatedly performed to form the wall surface of the underground warehouse 2 (S13).
In this case, when the stacked body of the segments 10 cannot be smoothly moved downward due to friction between the excavation surface of the side surface of the vertical hole 1 and the segments 10 or the stacked body of the segments 10 is unevenly lowered due to difference in soil properties constituting the ground and is inclined and sunk, the force for pressurizing the upper portion of the topmost segment 10 is adjusted by a plurality of pressers which are disposed at the entrance of the vertical hole 1 at predetermined intervals to uniformly lower the stacked body of the segments 10.
The specifications of the above-described segments 10 or blocks 100 vary according to the size or kind of the contents stored in the underground warehouse 2, and the soil condition of the ground forming the underground warehouse 2 or the number of blocks 100 constituting each segment 10 may also vary according to the shape which differs depending on the connection or fastening manner between the blocks 100.
In the case where the underground warehouse 2 is used as an underground multi-storied parking lot which is one of the embodiments of the present invention, specifications and the number of connections of the blocks 100 and the segments 10 according to the number of vehicles which can be parked on each parking floor of the parking lot are shown in the following table.
TABLE 1
Furthermore, the floor concrete is poured into the bottom surface of the vertical hole 1, one or more catch basins are formed at the edge of the inner bottom surface of the underground warehouse 2 into which the floor concrete is poured, and a porous drain pipe (perforated drain pipe) may be provided along the outer peripheral surface of the bottom surface of the segment 10 outside the wall surface of the underground warehouse 2.
The water collecting ditch and the porous drain pipe are connected to the water collecting well through the water collecting pipe, rainwater flowing into the inside and the outside of the bottom surface of the underground warehouse 2 through the water collecting ditch and the porous drain pipe is collected in the water collecting well, and water collected in the water collecting well is discharged to the sewer pipe through the pump, so that flooding in the underground warehouse 2 is prevented.
In the second construction step S20, the bottommost support columns and the beam modules are installed on the upper portion of the ground concrete of the ground of the vertical hole 1, the plurality of first support columns 200 formed of a hollow tube are arranged at a predetermined angle so as to be close to the inner arcuate surface of the stacked segment 10 (S21), and the plurality of second support columns 300 formed of a hollow tube are installed at a predetermined interval from the first support columns 200 in the central direction of the vertical hole 1, thereby forming an angle equal to the arrangement angle of the first support columns 200 (S22).
Upper side surfaces facing each other of the first columns 200 disposed adjacent to each other of the first columns 200 of the ground concrete are connected to each other by the first connection beam 220 (S23), upper side surfaces facing each other of the second columns 300 disposed adjacent to each other of the second columns 300 are connected to each other by the second connection beam 320 (S24), and the upper portions of the adjacent first columns 200 and the second columns 300 disposed at the same angle are connected to each other by the third connection beam 400 (S25).
In the third construction step S30, the first support column 200 is additionally connected to the upper portion of the first support column 200 installed on the ground concrete surface in a plurality of layers along the height direction of the vertical hole 1 to form a first support column 200 column (S31), and the second support column 300 is additionally connected to the upper portion of the second support column 300 installed on the ground concrete surface in a plurality of layers along the height direction of the vertical hole 1 to form a second support column 300 column to have the same height as the first support column 200 column (S32).
Upper side surfaces of the first pillars 200 arranged adjacent to each other in each layer of the additionally arranged first pillars 200 are connected to each other by the first connection beams 220 (S33), upper side surfaces of the second pillars 300 arranged adjacent to each other in each layer of the additionally arranged second pillars 300 are connected to each other by the second connection beams 320 (S34), and the adjacent first pillars 200 arranged opposite to each other and additionally arranged to form the same angle are connected to upper portions of the second pillars 300 by the third connection beams 400, respectively (S35).
The steps (S21 to S25) of installing the first support column 200, the second support column 300, the first connection beam 220, the second connection beam 320, and the third connection beam 400 may be performed sequentially or simultaneously, and the steps (S31 to 35) of additionally installing the first support column 200, the second support column 300, the first connection beam 220, the second connection beam 320, and the third connection beam 400 may be performed sequentially or simultaneously.
In this case, the components are standardized to modularize the first column 200, the second column 300, the first connection beam 220, the second connection beam 320, and the third connection beam 400, and when the second construction step S20 or the third construction step S30 is performed, the connection parts of the modularized first column 200, the second column 300, the first connection beam 220, the second connection beam 320, and the third connection beam 400 are assembled and connected in advance outside the vertical hole 1, and then moved to the inside of the vertical hole 1 to connect the connection parts of the modules, thereby reducing the time required for the column and beam installation process.
In the third step S30, a step (S36) of providing the auxiliary beam 410 and a step (S37) of providing the ring beam 420 are added to the formed column and beam structure, respectively.
Before the first connection beam 220 or the third connection beam 400 is connected to the first pillar 200(S33, S35), the damper support rod 230 may be attached to the outer circumferential surface of the connection portion of the first connection beam 220 or the third connection beam 400 of the first pillar 200 (S31 a).
When the first connection beam 220 or the third connection beam 400 is connected to the first support column 200(S33, S35), the distal end of the first connection beam 220 or the third connection beam 400 is provided on the upper surface of the damper support rod 230 so as to be spaced apart from the outer circumferential surface of the first support column 200 by a predetermined distance, and when an external force is applied due to an earthquake or the like, the first support column 200 and the support column and beam module structure fixed to each traveling connection beam move independently to generate a damping action.
In this case, the following construction can be selectively performed: the third connection beam 400 is spaced apart from the first column 200 to allow only play between the third connection beam 400 and the first column 200 in a state where the first connection beam 220 and the first column 200 are fixed to each other, or the first connection beam 220 is spaced apart from the first column 200 to allow only play between the first connection beam 220 and the first column 200 in a state where the third connection beam 400 and the first column 200 are fixed to each other, or the first connection beam 220 and the third connection beam 400 are spaced apart from the first column 200 to allow simultaneous play between the first connection beam 220 and the third connection beam 400 and the first column 200.
In the case where the third link beam 400 and the first link beam 200 are configured to play only with each other, the first support column 200 and the first link beam 220 for fixing the first support column 200 form an outer column and beam module structure, and the second support column 300 and the second link beam 320 for fixing the second support column 300 form an inner column and beam module structure, so that the outer column and beam module structure and the inner column and beam module structure independently move to each other, thereby generating a damping effect.
In the case where the first and second support columns 200 and 300 and the second and third connection beams 320 and 400 for fixing the first and second support columns 200 and 300 are configured to generate the play only between the first and second connection beams 220 and 200, the first and second support columns 200 and 300 form a column and beam module structure, and when the column and beam module structure is deformed or inclined by an external force, the play of the first support column 200 is generated according to the movement of the adjacent first support columns 200, which is close to or spaced apart from each other, to generate the damping action.
When the first and third coupling beams 220 and 400 are constructed such that the play simultaneously occurs between the first support column 200, the movements of the two types of the above-described support column and beam module structures compositely occur, thereby generating a damping effect.
In order to prevent the structural stability of the column and beam module structure of the underground warehouse 2 from being lowered by the damping structure spaced between the first connection beam 220 or the third connection beam 400 and the first support column 200, the damping structure using the damper support rod 230 may be applied only to the first support column 200 of the lower support column, which has relatively little shaking when an external force is applied due to an earthquake or the like, and the damping structure using the damper support rod 230 may not be applied to the first support column 200 of the lower support column.
In particular, as shown in fig. 18, in order to prevent the composite damping action between the first and third connection beams 220 and 400 and the first column 200 from excessively increasing the travel distance and degrading the structural stability of the column and beam module structure of the underground warehouse 2, the center portions of the first and second connection beams 220 and 320 disposed to face each other may be fixed by the third connection beam 400.
The groove of the parabolic shape protruding downward formed on the upper surface of the damper guide 231 attached to the damper support rod 230 is disposed such that the lowest point is concentric with the outer circumferential surface of the first column 200, and when the first or third connection beam 220 or 400 moves closer to or away from the first column 200 due to play between the first or third connection beam 220 or 400 and the first column 200, the first or second damper 221 or 403 is separated from the lowest point of the groove and the connection position of the first or third connection beam 220 or 400 is increased.
The load of the floor slab 500, the floor module 40, and the loaded storage disposed on the upper portion of the first coupling beam 220 or the third coupling beam 400 is a force not applied to the lower portion of the first coupling beam 220 or the third coupling beam 400 whose coupling position is increased by the damping action, the force is a restoring force, and the first damper 221 or the second damper 403 moves to the lowest point position of the groove along the curved surface of the damper guide 231 by the restoring force, thereby maintaining the spaced interval between the first coupling beam 220 and the third coupling beam 400 and the first pillar 200.
Further, the passage 30 provided with the emergency staircase, the escalator, or the elevator for moving between the floors may be formed between the first support column 200 and the second support column 300 facing each other, and when the underground warehouse 2 is used as a cargo storage warehouse such as an underground multistory parking facility or a logistics container, the longitudinal direction of the cargo such as vehicles or containers is radially arranged from the elevator 20 in order to secure a storage space and easily use the elevator 20.
Thus, it is preferable that a space not storing the goods such as vehicles or containers is formed outside the inner wall direction of the section 10 of the underground warehouse 2 constituting the circular sectional structure, and the passage 30 is formed in the space not storing the vehicles or the goods.
When the third connection beam 400 is connected according to the second step S20 or the third step S30 in order to form the passage 30 (S25, S35), the third connection beam 400b may be applied to a portion where the passage 30 is formed, and the end of the third connection beam 400b in the direction of connecting to the first pillar 200 may be branched into two.
The respective ends of the branches of the third connection beam 400b are connected to the first connection beam 220, respectively, the first connection beam 220 is connected to both sides of the first support column 200 to form the passage 30 between the spaces of the branches of the third connection beam 400b, and the third connection beam 400b in the branched form forms a frame of the passage 30, thereby omitting an additional frame structure setting process for constructing the passage 30 and thus shortening the construction time of the passage 30 of the underground warehouse 2.
In the fourth construction step S40, concrete is filled into the space formed inside the column of the first support column 200 and the column of the second support column 300, and the concrete filled in the hollow space of the first support column 200 and the second support column 300 forms a steel pipe concrete structure.
Accordingly, the first and second support columns 200 and 300 can be manufactured as steel pipes having a diameter of usually 500mm to 1200mm in order to secure the rigidity of the steel pipe concrete structure, and the diameters of the first and second support columns 200 and 300 can be adapted to have a size different from the above-described specification according to the load of the upper structure 3, not only as a modular frame structure of the underground warehouse 2 used as the first and second support columns 200 and 300, but also as a foundation of the upper structure 3 such as a building constructed above the underground warehouse 2.
In particular, when the depth of the underground warehouse 2 is increased, the first and second columns 200 and 300, which are formed by being connected in the height direction of the vertical hole 1, have a column shape having a length longer than the thickness thereof, and thus have a structure in which buckling (buckling) is easily generated.
Therefore, in the construction method of the present invention, after the first column 200 columns adjacent to each other are fixed to each other by the first connecting beam 220 and the second column 300 columns adjacent to each other are fixed to each other by the second connecting beam 320, the first column 200 columns and the second column 300 columns arranged to face each other are fixed to each other by the third connecting beam 400, and thus, the deformation of the connecting portion between the columns of each column in the horizontal direction is suppressed, and buckling of the column columns is prevented.
Further, the first support column 200 and the second support column 300 having a relatively shorter length than the support column are connected to each other by a plurality of layers to form a steel pipe concrete structure in which concrete is filled in the hollow portions of the first support column 200 and the second support column 300, thereby forming the integrated first support column 200 and second support column 300, so that the length of the first support column 200 and second support column 300 can be easily secured according to the depth of the underground warehouse 2, and the support column which is easily deformed and damaged can be more easily installed by the lightweight hollow structure and the split structure of each of the first support column 200 and the second support column 300 having a length longer than the thickness.
In a fifth step S50, a floor 500 is installed on the upper surface of the first and second coupling beams 220 and 320 for each floor of the column and beam module structure formed in the fourth step S40, and a space for installing the lifter 20 is formed by the lifter hole 510 formed in the center direction of the vertical hole 1 of each floor 500.
Also, when the fifth step S50 is executed, the following procedure S51 may be added: an upper plate 520 constituting an upper cover structure of the underground warehouse 2 is provided at upper ends of the first support column 200 and the second support column 300 disposed at the uppermost end of the underground warehouse 2.
The upper plate 520 forms the bottom surface of the upper structure 3 constructed on the upper portion of the underground storehouse 2 at the same time as the upper cover of the underground storehouse 2, and each pillar column of the underground storehouse 2 and the upper plate 520 function as a frame structure of the upper structure 3, whereby the frame construction cost of the upper structure can be reduced.
In this case, it is preferable that upper beams 3b be provided between the upper plates 3c of the respective floors to support the upper plates 3c of the respective floors constituting the upper structure 3, and the upper beams 3b be disposed to face the upper portions of the columns of the first or second columns 200 and 300 of the underground warehouse 2 to ensure the stability of the frame structure supporting the upper structure 3.
The segment fixing beam 521 formed at the lower portion of the upper plate 520 fixes the inner and outer circumferential surfaces of the upper end of the topmost segment 10 constituting the wall surface of the underground warehouse 2 by the inner fixing beam 522 and the outer fixing beam 523, respectively, and prevents a gap or separation from occurring between the blocks 100 constituting the segment 10, thereby improving the stability and vibration resistance of the wall surface structure of the underground warehouse 2.
In the sixth step S60, the floor module 40 is installed on the floor 500 of each floor installed in the fifth step S50, and the floor module 40 is disposed in the space between the first column 200 and the second column 300 disposed in each floor.
Each floor module 40 forms floors of more than two floors, and floors of a plurality of floors are formed simultaneously by arranging one floor module 40, so that the construction time of the underground warehouse 2 can be greatly shortened.
After the formation of the column and beam module structure inside the underground warehouse 2 of the fourth step S40 is completed, the lifter 20 may be provided together with the execution of the fifth step S50 or the sixth step S60.
The embodiments of the present invention have been described with reference to the above, but it is understood that those skilled in the art to which the present invention pertains may implement other embodiments without changing the technical idea or essential features of the present invention.
It should be understood, therefore, that the above-described examples are illustrative in all respects and not restrictive, that the scope of the present invention described in the above detailed description is shown by the scope of the invention, and that all modifications and variations derived from the meaning and scope of the invention claimed and the concept equivalent thereto are included in the scope of the present invention.
Claims (14)
1. An underground warehouse modular structure using prefabricated segment vertical holes is characterized in that,
an underground warehouse (2) is constructed by inserting a ring-shaped segment (10) into the excavation surface of a vertical hole (1), wherein the segment (10) is formed by connecting a plurality of prefabricated arch blocks (100) in the lateral direction, the segment (10) is moved downward by repeating excavation of the ground and stacking of the segments (10), thereby forming the wall surface of the vertical hole (1), a lifter (20) and a floor are provided on the inner circumferential surface of the inner wall of the vertical hole (1) in a plurality of levels, the lifter (20) is rotatably provided at the center of the vertical hole (1),
the underground warehouse (2) comprises:
a plurality of first support columns (200) which are connected in a plurality of layers along the height direction of the vertical hole (1) so as to be close to the inner arcuate surface of the segment (10), are arranged along the inner wall of the segment (10) so as to form a predetermined angle along the cross-sectional direction of the vertical hole (1), and are formed of a hollow pipe to be filled with concrete;
a first connection beam (220) provided so as to connect the first pillars (200) disposed adjacent to each other in each layer;
a second support column (300) which is provided in a plurality of layers connected in the height direction of the vertical hole (1) so as to be spaced from the first support column (200) by a predetermined distance in the center direction of the vertical hole (1), is disposed so as to form the same angle as the angle at which the first support column (200) is disposed, and is formed of a hollow pipe so as to be filled with concrete;
a second connection beam (320) provided so as to connect and fix the second pillars (300) disposed adjacent to each other in each layer;
a third connecting beam (400) for connecting the first support column (200) and the second support column (300) disposed facing each other for each layer;
a plurality of floors (500) which are provided so as to be supported on the upper surfaces of the first connecting beams (220) and the second connecting beams (320) of each floor, and in which a lifting opening (510) is formed along the center direction of the vertical hole (1), the lifting opening (510) being used for installing a lifter (20); and
a plurality of floor modules (40) which are arranged in the space between the first support column (200) and the second support column (300) of each floor (500) of each floor and form more than two floors,
the components constituting the underground warehouse (2) are standardized.
2. The underground warehouse modular structure using the prefabricated segment vertical hole according to claim 1, wherein first fastening ribs (210) and second fastening ribs (310) radially protruding along the outer circumferential surface are formed at upper and lower end connection portions of the first and second pillars (200, 300), respectively, a plurality of fastening holes are formed at the respective first and second fastening ribs (210, 310) in a manner of forming a predetermined angle, and the opposite fastening holes of the first and second pillars (200, 300) connected up and down are connected to fastening members, respectively, to combine the connection portions of the first and second pillars (200, 300).
3. Underground warehouse modular structure using prefabricated segment vertical holes as claimed in claim 1,
a first bracket (201) is formed at a connection portion of the first connection beam (220) and the third connection beam (400) of each first column (200), a first connector (202) having a shape complementary to a sectional shape of the end of the first connection beam (220) and the third connection beam (400) is formed at an end of each first bracket (201),
a second bracket (301) is formed at the connection part of the second connection beam (320) and the third connection beam (400) of each second support column (300), a second connector (302) having a shape complementary to the cross-sectional shape of the end of the second connection beam (320) and the third connection beam (400) is formed at the end of each second bracket (301),
a plurality of fastening holes are formed in the joint between each first connecting beam (220) or third connecting beam (400) and the first connector (202) and the joint between the second connecting beam (320) or third connecting beam (400) and the second connector (302), and the opposing fastening holes are connected to fastening members, respectively, to join the beams and the connectors.
4. Underground warehouse modular structure using prefabricated segment vertical holes as claimed in claim 1,
an auxiliary beam (410) is provided, the auxiliary beam (410) is used for connecting the central parts of the first connecting beam (220) and the second connecting beam (320) which are oppositely arranged in each layer, one end of the auxiliary beam (410) protrudes a specified length along the central direction of the vertical hole (1),
a ring-shaped beam (420) having a ring shape is connected to the end of each of the protruding auxiliary beams (410).
5. The underground warehouse modular structure using the vertical holes of the prefabricated sections as claimed in claim 1, wherein damper support rods (230) are installed at the outer circumferential surfaces of the coupled portions of the first coupling beam (220) or the third coupling beam (400) of the first column (200) such that the first coupling beam (220) or the third coupling beam (400) is coupled to the upper surfaces of the damper support rods (230), the distal ends of the first coupling beam (220) or the third coupling beam (400) coupled to the damper support rods (230) are spaced apart from the outer circumferential surface of the first column (200) by a predetermined interval, and when an external force is applied to the underground warehouse (2), a damping effect is generated due to a play between the first column (200) and the first coupling beam (220) or the third coupling beam (400).
6. Underground warehouse modular structure using prefabricated segment vertical holes as claimed in claim 5,
a damper guide 231 is installed on an upper portion of the damper support rod 230, the damper guide 231 is formed with a groove having a parabolic shape with a surface protruding downward, and a lowest point of the groove is disposed concentrically with an outer circumferential surface of the first pillar 200,
a first damper (221) or a second damper (403) is protruded at a lower portion of a distal end of the first connection beam (220) or the third connection beam (400) connected to the damper support rod (230), respectively, to contact the damper guide (231) with the first damper (221) or the second damper (403),
when play occurs between the first strut (200) and the first connection beam (220) or the third connection beam (400), a damping action is generated while the first damper (221) or the second damper (403) returns to the groove lowest point of the damper guide (231).
7. Underground warehouse modular structure using prefabricated segment vertical holes as claimed in claim 1,
an upper plate (520) constituting an upper cover structure of the underground warehouse (2) is provided at the upper ends of a first support column (200) and a second support column (300) disposed at the uppermost end of the underground warehouse (2), the outer peripheral surface diameter of the upper plate (520) is larger than the outer peripheral surface diameter of the segment (10), a segment fixing beam (521) for fixing the uppermost end of the segment (10) is formed to protrude from the lower surface of the upper plate (520),
the segment fixing beam (521) is formed of an inner fixing beam (522) having a ring shape for fixing the upper distal inner peripheral surface of the segment (10) and an outer fixing beam (523) having a ring shape for fixing the upper distal outer peripheral surface of the segment (10).
8. Underground warehouse modular structure using prefabricated segment vertical holes as claimed in claim 1,
at least one channel (30) is formed between the facing first (200) and second (300) struts,
the third connecting beam (400) provided at the position where the passage (30) is formed is in a form in which the connecting direction end of the first support column (200) is branched into two, each end of the branched third connecting beam (400) is connected to the first connecting beam (220), the first connecting beam (220) is connected to both sides of the first support column (200), and the passage (30) is formed between the branched spaces of the third connecting beam (400).
9. An underground warehouse modular construction method by utilizing vertical holes of prefabricated segments is characterized in that,
constructing an underground warehouse (2) by the following steps:
a first step (S10) of connecting a plurality of prefabricated arch blocks (100) in a lateral direction to form a ring-shaped segment (10), and stacking the segments (10) to form a wall surface of an underground warehouse (2);
a second step (S20) of providing a bottommost pillar and a beam module on the bottom surface of the vertical hole (1);
a third step (S30) of forming a plurality of layers by additionally providing pillars and beam modules in the height direction of the vertical hole (1);
a fourth step (S40) of filling concrete into the inner space of the first support column (200) and the second support column (300) connected to each other;
a fifth step (S50) of installing a plurality of floor slabs (500) on the upper surfaces of the first connection beam (220) and the second connection beam (320) of each of the columns and the beam module structure, wherein the floor slabs (500) are provided with lifting/lowering openings (510) for installing lifters (20) along the center direction of the vertical hole (1); and
a sixth step (S60) of installing a plurality of floor modules (40) in each space between a first support column (200) and a second support column (300) of a floor (500) disposed at each floor level, the plurality of floor modules (40) having two or more floors,
the first step (S10) includes:
a step (S11) in which a ring-shaped sheath for protecting the lower surface of the bottommost segment (10) is disposed at the position of the vertical hole (1), and the bottommost segment (10) is joined to the upper portion of the sheath;
a step (S12) for digging the bottom surface of the vertical hole (1) to move the sheath and the segment (10) downward; and
a step (S13) of forming the wall surface of the underground warehouse (2) by repeatedly performing downward movement of the segment (10) laminated structure excavated on the bottom surface of the vertical hole (1) and additional lamination of the segments (10),
the second step (S20) is performed by sequentially or simultaneously:
a step (S21) in which a plurality of first support columns (200) are arranged at a predetermined angle on the bottom surface of a vertical hole (1), said plurality of first support columns (200) being formed of a hollow tube so as to be close to the inner arcuate surface of a stacked segment (10);
a step (S22) of providing a second support pillar (300) formed of a tube having a hollow structure on the bottom surface of the vertical hole (1) such that the second support pillar (300) is spaced from the first support pillar (200) by a predetermined distance along the center direction of the vertical hole (1) and forms the same angle as the arrangement angle of the first support pillar (200);
a step (S23) of connecting the upper side surfaces facing each other between the first pillars (200) disposed adjacent to each other by the first connecting beams (220);
a step (S24) of connecting the facing upper side surfaces of the second pillars (300) disposed adjacent to each other by second connecting beams (320); and
a step (S25) of connecting the upper parts of the first support column (200) and the second support column (300) which are arranged in opposition to each other via a third connecting beam (400),
the third step (S30) is a step of sequentially or simultaneously repeating the following steps:
a step (S31) for additionally connecting the first support column (200) and the second support column (300) to the upper ends of the first support column (200) and the second support column (300) that are provided;
a step (S33) of connecting the upper side surfaces facing each other between the first pillars (200) additionally connected to be adjacently arranged by the first connecting beams (220);
a step (S34) of connecting, by second connecting beams (320), upper side surfaces facing each other between second pillars (300) additionally connected to each other in an adjacent arrangement; and
a step (S35) of connecting the upper parts of the first support column (200) and the second support column (300) additionally connected in an opposed manner by a third connecting beam (400),
the components constituting the underground warehouse (2) under construction are standardized.
10. The modular construction method of an underground warehouse using vertical holes of prefabricated sections according to claim 9, wherein,
the third step (S30) is added with a step (S36) of providing an auxiliary beam (410) and a step (S37) of providing a ring beam (420),
the auxiliary beam (410) is used for connecting the central parts of the first connecting beam (220) and the second connecting beam (320) which are oppositely arranged, one end of the auxiliary beam (410) is arranged to protrude a preset length along the central direction of the vertical hole (1), and is connected with the end of each auxiliary beam (410) which is protruded with a ring-shaped ring beam (420).
11. The modular construction method of an underground warehouse using vertical holes of prefabricated sections according to claim 9, wherein,
in a third step (S30), an additional step (S31a) is performed in which a damper support rod (230) is attached to the outer peripheral surface of the connecting portion of the first connecting beam (220) or the third connecting beam (400) of the first stay (200),
in the step (S33) of connecting by the first connecting beam (220) or the step (S35) of connecting by the third connecting beam (400), the tip of the first connecting beam (220) or the third connecting beam (400) is provided on the upper surface of the damper support rod (230) so as to be spaced apart from the outer peripheral surface of the first strut (200) by a predetermined distance, so that play occurs between the first strut (200) and the first connecting beam (220) or the third connecting beam (400).
12. An underground warehouse modular construction method using prefabricated segment vertical holes as claimed in claim 11, wherein,
a damper guide 231 is installed on an upper portion of the damper support rod 230, the damper guide 231 is formed with a groove having a parabolic shape with a downwardly convex surface and a lowest point of the groove is disposed concentrically with an outer circumferential surface of the first pillar 200, a first damper 221 or a second damper 403 is protruded at a lower portion of a distal end of the first connection beam 220 or the third connection beam 400 connected to the damper support rod 230, respectively, to make the damper guide 231 contact with the first damper 221 or the second damper 403,
when the process (S33) of connecting by the first connection beam (220) or the process (S35) of connecting by the third connection beam (400) of the third step (S30) is performed, the first connection beam (220) or the third connection beam (400) is provided such that the first damper (221) or the second damper (403) is disposed at the upper portion of the groove of the damper guide (231).
13. The modular construction method of an underground warehouse using vertical holes of prefabricated sections according to claim 9, wherein,
when the fifth step (S50) is performed, an additional step (S51) of providing an upper plate (520) constituting an upper cover structure of the underground warehouse (2) at the upper ends of the first pillar (200) and the second pillar (300) disposed at the topmost position of the underground warehouse (2),
the diameter of the outer peripheral surface of the upper plate (520) is larger than that of the outer peripheral surface of the segment (10), a segment fixing beam (521) for fixing the topmost end of the segment (10) is formed on the lower surface of the upper plate (520) in a protruding mode,
the segment fixing beam (521) is formed of a ring-shaped inner fixing beam (522) for fixing the upper tip inner peripheral surface of the segment (10) and a ring-shaped outer fixing beam (523) for fixing the upper tip outer peripheral surface of the segment (10).
14. The modular construction method of an underground warehouse using vertical holes of prefabricated sections according to claim 9, wherein,
when the process (S25) and the process (S35) of connecting the third connecting beam (400) in the second step (S20) and the third step (S30) are performed, the third connecting beam (400b) is applied in a form of being branched into two from the connecting direction end of the first pillar (200),
a channel (30) is formed between spaces of the branches of the third connection beam (400b) by connecting ends of the branches of the third connection beam (400b) to the first connection beam (220), and the first connection beam (220) is connected to both sides of the first column (200).
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KR1020210033435A KR102283827B1 (en) | 2021-03-15 | 2021-03-15 | Modular Structure and Construction Method of Underground Storage with Vertical Hole by Top-Down Precast Segment |
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