CN115075291B - Underground warehouse modularized structure utilizing prefabricated segment vertical holes and construction method - Google Patents

Underground warehouse modularized structure utilizing prefabricated segment vertical holes and construction method Download PDF

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Publication number
CN115075291B
CN115075291B CN202110930356.5A CN202110930356A CN115075291B CN 115075291 B CN115075291 B CN 115075291B CN 202110930356 A CN202110930356 A CN 202110930356A CN 115075291 B CN115075291 B CN 115075291B
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connection
damper
column
segment
connection beam
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CN115075291A (en
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朴真甘
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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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Sustainable Development (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

The present invention relates to an underground warehouse modular structure and construction method using prefabricated segment vertical holes, in an underground warehouse constructed by lifters rotatably provided in the interior of downward prefabricated segment vertical holes, the underground warehouse includes: a plurality of first struts connected by a plurality of layers so as to approach the segment inner arcuate surface, and arranged at a predetermined angle; a first connection beam for connecting adjacently arranged first struts; a second pillar connected to the first pillar by a plurality of layers at a predetermined interval along a center direction of the vertical hole, the second pillar forming an angle equal to an arrangement angle of the first pillar; a second connection beam for connecting and fixing adjacently arranged second struts; a third connecting beam for connecting the first and second struts disposed in opposition; a floor slab supported on the upper surfaces of the first and second connection beams; and floor modules provided on each floor slab, each floor being formed with two or more floors, each component constituting the underground warehouse being standardized.

Description

Underground warehouse modularized structure utilizing prefabricated segment vertical holes and construction method
Technical Field
The invention relates to a construction method of an underground warehouse, which comprises the following steps: the underground warehouse is constructed by inserting ring-shaped segments into the excavation surface of the vertical hole, the segments are formed by connecting a plurality of prefabricated arch blocks along the lateral direction, and arranging lifters and floors on the wall surface of the vertical hole, wherein the wall surface of the vertical hole is formed by repeating the excavation of the ground and the lamination of the segments to move the segments downwards.
In more detail, it relates to a modular structure of an underground warehouse and a construction method using prefabricated segment vertical holes, the underground warehouse comprising: a plurality of first struts connected in a plurality of layers so as to approach the inner arcuate surface of the segment and arranged at a predetermined angle; a first connection beam for connecting adjacently arranged first struts; a second pillar which is connected to the first pillar in a plurality of layers at a predetermined interval along the center direction of the vertical hole, and is arranged so as to form an angle equal to the arrangement angle of the first pillar; the second connecting beam is used for connecting and fixing the adjacently arranged second struts; a third connecting beam for connecting the first and second struts disposed in opposition to each other; a floor slab supported on the upper surfaces of the first and second connection beams; and floor modules provided on each floor slab, each floor being formed with two or more floors, each component constituting the underground warehouse being standardized.
Background
Recently, since the number of automobiles in possession has rapidly increased, extension of parking facilities has become important, and in order to improve the proximity of buildings and parking spaces and to effectively use the parking spaces, construction of underground parking lots has gradually increased.
However, unlike a large apartment building, in the case of a central urban area, a space for constructing an underground parking garage is limited because of a high floor price, which results in a higher-rise and a higher-density building.
In the case of a conventional underground parking garage, in addition to the parking floor space where a vehicle is parked, an access way for allowing the vehicle to enter or exit the underground parking garage needs to be formed, and when the underground parking garage is formed of a plurality of floors, a lifting space for moving to the parking floor of each floor needs to be provided, so that there is a problem that the space utilization rate of the underground parking garage is lowered.
Accordingly, as in the circular three-dimensional parking lot disclosed in korean laid-open patent publication No. 10-2001-0048499 (published on 15 of 06/2001), in order to maximize the number of vehicles parked in a limited space, the construction of an underground parking lot is gradually expanding in which a plurality of parking floors are radially formed along the vertical hole wall surface inside a circular vertical hole, and the space utilization efficiency of the underground parking space is improved by providing a lifter at the center portion of the vertical hole.
In order to form the underground parking garage as described above, when constructing the vertical hole, the following downward prefabricated segment vertical hole construction method is applied: in order to shorten the time required for setting a form for forming the inner wall of a vertical hole and curing concrete, prefabricated (arch) blocks are prefabricated, and segments are inserted and stacked on the excavation surface of the vertical hole at an underground parking garage construction site, the segments being formed of ring-shaped block combinations formed by connecting a plurality of prefabricated blocks in the lateral direction, thereby forming the inner wall of the vertical hole.
In the course of lowering for the laminated segments, the inclination of the wall surface of the vertical hole or the fine gap or dislocation between the segment laminated connection parts occurs due to the uneven lowering of the segment laminated body due to the difference in the soil constituting the excavated ground, which results in the construction defects of lowering the vibration resistance of the underground parking lot and the air tightness between the segment connection parts, lowering the structural stability of the underground parking lot, causing water leakage through the connection parts, and constructing the supporting structure of the underground parking lot together when the parking floor is formed along the inner wall of the segment laminated body after the wall surface construction of the underground parking lot according to the downward prefabricated segment vertical hole construction method is completed.
A prefabricated vertical core structure as described in korean patent laid-open publication No. 10-2214779 (2021, 02, 04) and a method of constructing the same, the support structure of an underground parking garage being formed in the form of a partition plate as follows: when the parking floors are formed in sequence from the lowest floor of the underground parking garage to the upper floor, the wall supporting structure of the underground parking garage is arranged at the central part of the underground parking garage from the bottom of the vertical hole to the upper direction according to the floor height of the parking floors under construction, so that the parking floors of each floor can be supported and various underground facilities can be arranged inside.
Further, as a method for constructing a circular underground parking garage according to chinese laid-open patent publication No. 1122196335 (2021, 01, 08), there is disclosed a supporting structure for an underground parking garage as follows: columns are provided in the center of the segment laminate along the height direction of the vertical holes, and each column is fixed by a steel beam.
However, in the supporting structure of the form of the partition plate, a construction delay may occur 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 supporting structure, and in the supporting structure of the column and the steel beam provided at the center portion of the vertical hole, the deeper the underground parking lot is, the more difficult it is to provide the column, buckling of the column is likely to occur due to the load of the floor supported by the column and the mounted automobile, and thus there is a need for improving the wall supporting structure of the underground parking lot, which can further improve the construction effectiveness and the structural stability of the underground parking lot.
In addition, in order to improve the transportation efficiency of the logistics, a hub (hub) is formed in each main area, and after the logistics warehouse temporarily stored in the hub, the logistics warehouse is transported to a destination separately, and mass transportation of the logistics in the sea or the land is mainly completed through standardized containers, and the logistics containers temporarily stored at the departure place or the destination are stored in a container yard.
The container yard or the common logistics warehouse has a cargo handling facility such as a crane or forklift that can load and unload cargo containers or goods to and from ships or transport vehicles, etc., and the cargo handling facility stacks the cargo such as the container into a plurality of layers to improve the utilization efficiency of the storage space, and the stack height of the cargo such as the container is limited to ensure the storage space of the cargo by preventing economic loss and safety accidents due to breakage or collapse of the container or the package for protecting the object caused by the load of the stacked cargo.
In particular, when goods such as logistics containers are stored in a conventional manner in a container yard or a logistics warehouse, it is necessary to move all goods and the like stacked on top of the corresponding goods in order to screen and transport specific goods located on the lower part of other goods stacked on top, and there is a difficulty in screening, storing and transporting logistics, so that there is an increasing need to provide a logistics warehouse which can easily screen, store and transport goods while improving the usability of the goods storage space of the logistics containers and the like.
Prior art literature
Patent literature
Patent document 1: korean laid-open patent publication No. 10-2001-0048499 (15 th month of 2001)
Patent document 2: korean patent publication No. 10-2214779 (2021, 02, 04)
Patent document 3: chinese laid-open patent publication No. 1122196335 (2021, 01, 08)
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 downward prefabricated section vertical hole, 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 a wall support structure in place of a form of a partition plate for supporting each floor when forming a wall of an underground warehouse according to a downward prefabricated segment vertical hole construction method, and to further improve the structural stability of the underground warehouse while improving the construction efficiency 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 acting on a support structure when a column for supporting a central portion of an underground warehouse is provided, thereby ensuring structural stability of the underground warehouse.
An object of an embodiment of the present invention is to provide a logistics warehouse which can screen, store and transfer goods such as logistics containers by using a lifter in a circular storage space using vertical holes of downward prefabricated sections, thereby further improving the efficiency of unloading work of the logistics warehouse and the utilization rate of the logistics warehouse.
Technical proposal
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 moving the segment downward by repeating excavation of the ground and lamination of the segment, thereby forming a wall surface of the vertical hole, a lifter and a floor being provided in a plurality of layers on an inner peripheral surface of an inner wall of the vertical hole, the lifter being rotatably provided in a center of the vertical hole, the underground warehouse comprising: a plurality of first struts connected in a plurality of layers along the height direction of the vertical hole so as to be close to the inner arch surface of the segment, arranged at a predetermined angle along the inner wall of the segment, and formed of hollow-structured tubes to be filled with concrete inside; a first connection beam provided so as to connect adjacently arranged first struts of each layer; a second pillar which is provided in a plurality of layers connected to each other along the height direction of the vertical hole so as to be spaced apart from the first pillar by a predetermined interval along the center direction of the vertical hole, is disposed so as to form an angle equal to the angle at which the first pillar is disposed, and is formed of a hollow pipe so as to be filled with concrete; a second connection beam provided so as to connect and fix adjacently disposed second struts of each layer; a third connecting beam for connecting the first and second struts disposed opposite to each other for each layer; a plurality of floorslabs provided so as to be supported by upper surfaces of the first and second connection beams of each floor, the plurality of floorslabs having a lifting opening formed along a central direction of the vertical hole, the lifting opening being provided with a lifter; and a plurality of floor modules provided in spaces between the first and second columns of each floor slab disposed at each floor, each floor being formed with two or more floors, each component constituting the underground storage being standardized.
According to an embodiment of the present invention, first and second fastening ribs protruding radially along the outer peripheral surface are formed at upper and lower end connection portions of the first and second struts, respectively, and a plurality of fastening holes are formed at each of the first and second fastening ribs so as to form a predetermined angle, and facing fastening holes of the first and second struts connected vertically are connected to fastening members, respectively, so that connection portions of the first and second struts are coupled to each other.
According to an embodiment of the present invention, first brackets are formed at the connection portions of the first connection beams and the third connection beams of the respective first struts, first connectors having shapes complementary to the cross-sectional shapes of the ends of the first connection beams and the third connection beams are formed at the ends of the respective first brackets, second brackets are formed at the connection portions of the second connection beams and the third connection beams of the respective second struts, second connectors having shapes complementary to the cross-sectional shapes of the ends of the second connection beams and the third connection beams are formed at the ends of the respective second brackets, and a plurality of fastening holes are formed at the connection portions between the respective first connection beams or the third connection beams and the first connectors and between the second connection beams or the third connection beams and the second connectors, and the opposite fastening holes are connected with fastening members, respectively, to connect the respective beams and the connectors.
According to an embodiment of the present invention, an auxiliary beam is provided for connecting the respective center portions of the first and second connection beams disposed opposite to each other for each layer, one end of the auxiliary beam protrudes a predetermined length along the center direction of the vertical hole, and the outer peripheral surface of the ring beam having a ring shape is connected to the end of each protruding 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 so that the first connection beam or the third connection beam is connected to an upper surface of the damper support rod, and an end 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 acts on an underground storage, a damping effect is generated due to 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 at an upper portion of the damper supporting rod, the damper guide forming a groove of a parabolic shape with a surface protruding downward and a lowest point of the groove being disposed concentrically with an outer circumferential surface of the first pillar, and a first damper or a second damper is protruded at a lower end portion of a first connection beam or a third connection beam connected to the damper supporting rod, respectively, to make contact between the damper guide and the first damper or the second damper, and when a walk occurs between the first pillar and the first connection beam or the third connection beam, a damping effect is generated while the first damper or the second damper returns to a groove lowest point position of the damper guide.
According to an embodiment of the present invention, an upper plate constituting an upper cover structure of an underground storage is provided at upper ends of first and second uppermost poles arranged in the underground storage, an outer peripheral surface diameter of the upper plate is larger than an outer peripheral surface diameter of a 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 in a ring shape for fixing an inner peripheral surface of the upper end of the segment and an outer fixing beam in a ring shape for fixing an outer peripheral surface of the upper end of the segment.
According to an embodiment of the present invention, at least one channel is formed between the first pillar and the second pillar which are opposite to each other, the third connecting beam provided at the position where the channel is formed in such a manner that the ends of the first pillar in the connecting direction are branched into two, each end of the branched third connecting beam is connected to the first connecting beam, the first connecting beam is connected to both sides of the first pillar, and the channel is formed between the branched spaces of the third connecting beam.
ADVANTAGEOUS EFFECTS OF INVENTION
According to the embodiment of the present invention, there are the following effects: the first support column and the second support column are connected by the connecting beam to form the support column and the beam module structure with the frame structure, so that the structural stability of the constructed underground warehouse can be improved.
According to the embodiment of the present invention, there are the following effects: the prefabricated segment laminate, the column and the beam module structure, which constitute the wall surface of the underground warehouse, are provided so as to be spaced apart from each other by a predetermined interval, and when an external force is applied due to an earthquake or the like, the column and the beam module structure are moved apart from the segments constituting the wall surface of the underground warehouse, thereby preventing the load of the stored object from directly acting on the segments, and further improving the structural stability of the underground warehouse.
According to the embodiment of the present invention, there are the following effects: through the joint structure between the pillar column connecting beams connected along the height direction of the vertical hole, compared with the construction of the existing wall surface supporting structure in the form of a partition plate, the construction time consumed by the installation and construction of the supporting structure is shortened, and in the construction process, the formation of the partition plate structure is omitted, so that the construction efficiency can be improved.
According to the embodiment of the present invention, there are the following effects: after the module structure of the pillar and the beam of the underground warehouse and the floor slab are arranged, floor modules with more than two floors are arranged on the upper part of each floor slab to form a plurality of floors at the same time, thereby greatly shortening the construction time of the underground warehouse.
According to the embodiment of the present invention, there are the following effects: the concrete filled steel tube (CFT, concrete Filled Tube) structure is formed by filling the inside of the column body having a hollow pipe shape, and the column body functions not only as a reinforcing frame structure of the underground storage but also as a foundation of the upper structure to be constructed on the upper part of the underground storage, thereby reducing the foundation construction cost of the upper structure.
According to the embodiment of the present invention, there are the following effects: a column body having a column shape with a length longer than a thickness is divided into a plurality of parts and connected up and down, and each column body is connected and fixed by a connecting beam, thereby preventing buckling of the column body.
According to the embodiment of the present invention, there are the following effects: the post column body which is easy to deform and damage due to the length longer than the thickness is formed into a light hollow structure and a split structure, so that the post column body can be more easily arranged.
According to the embodiment of the present invention, there are the following effects: the first support column is spaced from the first connection beam or the third connection beam, and the first connection beam or the third connection beam is connected to the upper portion of the damper support rod mounted on the first support column in a movable manner to generate a damping effect, so that vibration resistance and structural stability of the underground warehouse which effectively disperses vibration and impact by means of the module structure can be further improved.
According to the embodiment of the present invention, there are the following effects: through the shape of the groove of the damper guide installed on the damper supporting rod, when external force is applied due to earthquake, etc., the load of the floor slab, the floor module and the loaded storage object plays a role of restoring force, thereby further improving the structural stability of the support column and the beam module structure of the underground warehouse.
According to the embodiment of the present invention, there are the following effects: when forming the channel for moving between the layers of each floor slab, the connection beam formed with the channel is formed in a form of branching into two, and the channel is formed between the branched spaces of the connection beam to form the connection beam into the frame of the channel, thereby omitting a separate frame structure setting process for constructing the channel and shortening the 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 top view showing the connection structure between modular columns and beams of an underground warehouse according to an embodiment of the present invention;
FIG. 4 is a perspective view showing the connection structure between modular columns and beams of an underground warehouse according to an embodiment of the present invention;
FIG. 5 is a top view illustrating an embodiment of the connection between modular columns and beams of an underground warehouse employing arched beams of the present invention;
FIG. 6 is a perspective view illustrating an embodiment of the connection structure between modular columns and beams of an underground warehouse employing arched beams in accordance with the present invention;
fig. 7 is a view showing a connection structure in the up-down direction between first struts according to an embodiment of the present invention;
fig. 8 is a view showing a connection structure in the up-down direction between second struts according to an embodiment of the present invention;
FIG. 9 is a top view showing the connection structure between the first pillar and the first and third connection beams according to the embodiment of the present invention;
FIG. 10 is a top view showing the connection structure between the second pillar and the second and third connection beams according to the embodiment of the present invention;
FIG. 11 is a side view showing the connection structure between the first pillar and the first and third connection beams according to the embodiment of the present invention;
FIG. 12 is a side view showing the connection structure between the second pillar and the second and third connection beams according to the embodiment of the present invention;
FIG. 13 is a top view showing an embodiment of the connection structure between modular columns and beams of the sub-warehouse with auxiliary beams installed in accordance with the present invention;
FIG. 14 is a top view showing an embodiment of the connection structure between the damper support bar mounted to the first post and the first and third connection beams in the connection structure between the modular posts and beams of the underground warehouse of the present invention;
FIG. 15 is a top plan view showing the connection between a first strut mounted damper strut and first and third connecting beams in a modular strut and beam connection for an underground warehouse incorporating arched beams in accordance with an embodiment of the present invention;
FIG. 16 is a view showing a cross-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 diagram showing a mechanism of damping (damping) external force acting on the underground warehouse when the damper moves along the parabolic-shaped groove formed on the surface of the damper guide in the connection structure between the modular columns and beams of the underground warehouse of the present invention;
FIG. 18 is a top view showing the modular posts and connections between beams of an underground warehouse employing auxiliary beams and ring beams in accordance with an embodiment of the invention;
fig. 19 is a view showing a sectional shape and a connection structure of an upper plate according to an embodiment of the present invention;
Fig. 20 is a top view showing a modular post and beam connection structure for a third connection beam of a branching pattern to form a passageway of an underground storage according to an embodiment of the present invention.
Description of the reference numerals
1: vertical hole 2: underground warehouse
3: upper structure 3a: upper support column
3b: upper beam 3c: upper plate
10: segment 20: lifting device
30: channel 40: floor module
100: block 200: first support column
201: first bracket 202: first connector
210: first fastening rib 220: first connecting beam
221: the first damper 230: damper support rod
231: damper guide 300: second support column
301: 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: auxiliary beam 420: ring beam
500: floor 510: lifting opening
520: upper plate 521: segmental fixing beam
522: inboard fixed beam 523: outside fixed beam
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
The detailed description will be focused on the portions necessary for understanding the operation and action of the present invention.
When describing the embodiments of the present invention, description of technical contents which are well known in the art to which the present invention belongs and which are not directly related to the present invention will be omitted.
This is to avoid obscuring the gist of the present invention by omitting unnecessary explanation and to more clearly convey the gist of the present invention.
In the description of the components of the present invention, the same reference numerals may be given to the components having the same names, and the same reference numerals may be given to the components in different drawings.
However, even in this case, it is not shown that the respective constituent elements have functions different from each other or the same functions in the embodiments different from each other according to the embodiments, and the functions of the respective constituent elements should be judged based on the explanation about the respective constituent elements in the respective embodiments.
Also, unless defined otherwise in the specification, technical terms used in the specification should be construed as meaning commonly understood by one of ordinary skill in the art to which the present invention belongs, and should not be construed as being excessively inclusive or excessively simplified.
Also, as used in this specification, the singular includes the plural unless the context clearly indicates otherwise.
In the present application, the terms "comprising" or "comprises" and the like should not be construed as necessarily including all of the plurality of structural elements or steps described in the specification, but should be construed as possibly excluding a part of the structural elements or a part of the steps thereof or also including additional structural elements or steps.
The underground warehouse 2 of the present invention is used as an underground physical distribution warehouse, an underground parking garage, 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 from the ground surface in the vertical direction.
As shown in fig. 1, the segment 10 is formed of a combination of ring-shaped blocks 100 connecting prefabricated (precast) arch blocks 100 in the lateral direction, and if the upper end lamination of the segment 10 and the excavation of the bottom surface of the vertical hole are repeatedly performed until reaching the height of the underground storage 2 to be constructed, the inner wall of the underground storage 2 is formed while the segment 10 laminate moves downward in the excavation direction of the vertical hole 1 due to the pressing force acting from the self weight of the segment 10 laminate or the presser.
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 struts 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 being close to the inner arch 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 tube, and as shown in fig. 7, first fastening ribs 210 protruding radially (radial shape) are formed along the outer peripheral surface at the upper and lower ends of the first support column 200, and a plurality of fastening holes (fastening holes) are formed in the first fastening ribs 210 so as to form a predetermined angle.
The first struts 200 disposed 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 (layered structure), and facing fastening holes between the first struts 200 connected up and down are connected to fastening members (fasteners), respectively, so that the connection parts of the columns of the first struts 200 are coupled.
The second struts 300 are provided on the ground concrete of the vertical hole 1 so as to be spaced apart from the first struts 200 by a predetermined distance along the central direction of the vertical hole 1, so that the arrangement angle between the second struts 300 is the same as the arrangement angle of the first struts 200, and a virtual straight line connecting the centers of the first struts 200 and the second struts 300 arranged in opposition passes through the central axis of the underground storage 2 forming a circular shape.
As in the first pillar 200, the second pillar 300 is also formed of a hollow pipe, and as shown in fig. 8, second fastening ribs 310 protruding radially are formed along the outer peripheral surface at the upper and lower ends of the second pillar 300, and a plurality of fastening holes are formed in the second fastening ribs 310 so as to form a predetermined angle.
The second struts 300 disposed at a predetermined angle in the disposed position of the first struts 200 so as to face each other are connected in the height direction of the vertical holes 1 to form one column body constituting a layered structure, and the fastening holes facing each other between the vertically connected second struts 300 are connected to the fastening members, respectively, so that the connection portions of the columns of the second struts 300 are coupled to each other.
Preferably, the coupling means for coupling the coupled first column 200 and the coupled portion of the second column 300 are formed of bolts and nuts.
The hollow portion of each column formed by the plurality of first columns 200 and second columns 300 is filled with concrete, and each column of the first columns 200 and second columns 300 is formed in a concrete filled steel tube structure, and preferably, the first columns 200 and second columns 300 vertically connected to each other in a modular manner to form the underground storage 2 are formed in the same specification.
The first connection beams 220 are provided on the upper side surfaces of the adjacently disposed first struts 200 of each layer to connect the adjacent first struts 200, and the second connection beams 320 are provided on the upper side surfaces of the adjacently disposed second struts 300 of each layer to connect and fix the adjacent first struts 200.
Preferably, in order to secure rigidity of the finished underground storage 2, the first and second connection beams 220 and 320 are adapted to be steel beams having an H-shaped or I-shaped cross-sectional structure, and each of the first and second connection beams 220 and 320 is formed in an arc shape concentric with the segment 10, as shown in fig. 5 and 6, and the first and second connection beams 220 and 320 connected to each layer may have a ring shape.
The first and second struts 200 and 300 disposed opposite to each other in each layer are connected by a third connection beam 400, and as shown in fig. 9 and 11, first brackets 201 are formed at connection portions between the respective first struts 200 and the first connection beam 220 and between the first struts 200 and the third connection beam 400, and first connectors 202 coupled to the first connection beam 220 or the third connection beam 400 may be formed at the ends of the respective first brackets 201.
The first connector 202 is formed in a shape complementary to the end cross-sectional shapes of the first connection beam 220 and the third connection beam 400, a plurality of fastening holes are formed at the joint between each of the first support column 200 or the third connection beam 400 and the first connector 202, and the opposite fastening holes of the connected first support column 200 or third connection beam 400 and the first connector 202 are respectively connected with the fastening members to join the respective beams and the connectors.
As shown in fig. 10 and 12, a second bracket 301 is formed at the connection portion between each second pillar 300 and the second connection beam 320 and between the second pillar 300 and the third connection beam 400, and a second connector 302 to be coupled to the second connection beam 320 or the third connection beam 400 may be formed at the end of each second bracket 301.
The second connector 302 is formed in a shape complementary to the end cross-sectional shapes of the second connection beam 320 and the third connection beam 400, a plurality of fastening holes are formed at the joint between each second connection beam 320 or the third connection beam 400 and the second connector 302, and the facing fastening holes of the second connection beam 320 or the third connection beam 400 and the second connector 302, which are connected, are respectively connected with the fastening members, so that the beams are joined to the connectors.
The floor slab 500 is installed on the upper surface of the first and second connection beams 220 and 320 of each floor, and for convenience of installation, the floor slab 500 installed on each floor is divided into a plurality of modules having the same specification, a lifting opening 510 is formed in the central direction of the vertical hole 1 in the floor slab 500, the lifting opening 510 is used for installing the lifter 20, and each floor slab 500 module has a fan shape forming two arcs on the outer side and the inner side.
Each of the floors 500 is provided in a space between the adjacently disposed first and second columns 200 and 300 such that upper faces of the first and second and third connection beams 220 and 320 and 400 provided to the first and second columns 200 and 300 of each layer are positioned at the same height, thereby preventing the floor 500 from being inclined toward one side, and a connection portion between the adjacent floors 500 is supported by the third connection beam 400, so that a more stable installation structure can be formed.
The floor modules 40 are arranged on the floor 500 modules at the upper part of each floor 500, and the floor modules 40 having two or more floors (floor) formed thereon are installed on the floor 500 in a state where the assembly of the floor modules 40 is completed, or the floor modules 40 in an unassembled state are transferred to each floor 500 and then assembled and installed.
In this case, in the case where the underground storage 2 is constructed by the downward construction method of the segments 10 according to the conventional method, floors are formed in order from the lowermost layer of the underground storage 2 toward the upper layer, in order to support the floors and install various underground installation facilities during the floor construction, a supporting structure formed of partitions is simultaneously constructed in the central portion of the underground storage 2 from the bottom of the vertical hole 1 toward the upper layer according to the floor height of the floors under construction, and the construction time of the underground storage 2 increases during construction of the partition structure.
Therefore, in the present application, by providing each of the columns, beams, and floors of the stack of support segments 10 in a modularized manner, the construction process of the floors of the underground warehouse 2 and the partition structures for supporting the same according to the conventional manner is simplified, and by providing one floor module 40, the floors of a plurality of floors can be formed at the same time, so that the construction time of the underground warehouse 2 can be greatly shortened.
A lifter 20 is provided in a central portion of the underground storage 2, and the lifter 20 is rotatably configured through a lift opening 510 formed in a central portion of the floor slab 500 of each floor.
The elevator 20 moves the stored load to the ground after being mounted on the elevator 20 by lowering and rotating a vehicle, a logistics container, or other goods to be mounted on the ground of the underground warehouse 2 toward the inside of the underground warehouse 2 to be positioned at an empty floor entrance of the floor module 40 and then being mounted on the upper part of the floor or being lifted and rotated to a floor entrance where the goods such as a vehicle, a logistics container, or the like mounted on the underground warehouse 2 are positioned.
As shown in fig. 13, an auxiliary beam 410 is provided at each center portion of the first and second connection beams 220 and 320 disposed opposite to each other for each layer, and the first and second connection beams 220 and 320 may be connected to each other, and the auxiliary beams 410 may be provided in all spaces between the adjacent first and second struts 200 and 300, or may be provided so that a predetermined angle is formed in a part of the spaces between the first and second struts 200 and 300.
The one end of the auxiliary girder 410 protrudes a predetermined length along the central direction of the vertical hole 1, and the ring girders 420 having a ring shape are connected to the ends of the protruding auxiliary girders 410.
The auxiliary beam 410 forms a stronger and stable modular structure of the underground storage 2 by fixing the first and second connection beams 220 and 320 to each other, and thus the maximum load of the stored objects loaded on the upper portion of the floor slab 500 can be increased, and the ring beam 420 supports the side portion of the lifter 20 provided at the center of the underground storage 2, has a relatively narrow width compared with the height, prevents deformation or breakage of the structure of the lifter 20 that is liable to buckle, and prevents shaking of the structure of the lifter 20 when transferring the stored objects with high load, 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 peripheral surface of the connection portion of the first connection beam 220 or the connection portion of the third connection beam 400 of the first strut 200 of each layer, and 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 peripheral surface of the first strut 200, and may be connected in a state of not being fixed to the first strut 200, whereby play may occur between the first strut 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 stacked body of segments 10 constituting the wall surface of the underground storage 2 is separated from the first column 200, whereby the module structure constituted by connecting the columns and the beams moves independently of the segments 10.
As a result, the load of the storage object loaded on the module structure and each floor slab 500 does not directly act on the segments 10, and the joint between the blocks 100 constituting the segments 10 is prevented from being separated or from being inclined or displaced between the stacked surfaces of the segments 10, so that the structural stability of the stacked body of the segments 10 in the underground storage 2 can be improved.
In particular, the module structure enables the two structures of the connection body of the first pillar 200 and the first connection beam 220 and the connection body of the second pillar 300 and the second connection beam 320 to be individually moved by the play between the first pillar 200 and the first connection beam 220 or the third connection beam 400, and when an external force is applied due to the occurrence of an earthquake or the like, a damping effect is generated due to the play between the first pillar 200 and the first connection beam 220 or the third connection beam 400.
The module structure to which the damper structure is applied through the damper support rods 230 can reduce vibration and impact applied to the module structure by reducing the vibration and impact of the entire module structure, compared to an integrated module structure in which the first and second supports 200 and 300 are fixed to the first and second connection beams 220 and 320 and the third connection beam 400, and thus can improve vibration resistance of the underground storage 2 and further improve structural stability 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, the 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 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 parabolic groove protruding downward is formed on the upper surface of the damper guide 231, the lowest point of the groove is disposed concentrically with the outer circumferential surface of the first pillar 200, and a protruding portion having a protruding surface is formed on the lower surface of the first damper 221 or the second damper 403.
Thus, as shown in fig. 17, when the play occurs between the first pillar 200 and the first connection beam 220 or the third connection beam 400 due to the external force, the lowest point of the convex surface of the first damper 221 or the second damper 403 is separated from the position of the lowest point of the groove of the damper guide 231, and the lowest point of the convex surface of the first damper 221 or the second damper 403 returns to the position of the lowest point of the groove of the damper guide 231 again due to the load of the floor slab 500 and the loaded storage object, thereby generating the damping effect more quickly.
When an excessive external force acts on the module structure, the first pillar 200 functions as a stopper to prevent the first damper 221 or the second damper 403 from being separated from the damper guide 231 while the distal end of the first connection beam 220 or the third connection beam 400 is in contact with the outer circumferential surface of the first pillar 200.
In particular, in the case of a structure reflecting a vibration-resistant design, when deformation or detachment occurs between the structural material connection portions of the columns and the beams, etc., the stability of the structure can be greatly reduced, and in the module structure of the underground storage 2 of the present invention, when an external force is applied due to an earthquake, etc., the deformation of the connection portions between the columns and the beams can be prevented due to the play between the first column 200 and the first connection beam 220 or the third connection beam 400, and the connection portions of the module structure that are moved by the damper guide 231 can be returned to the original state, so that the vibration resistance performance and durability of the underground storage 2 can be greatly improved.
Further, an upper plate 520 constituting an upper cover structure of the underground storage 2 may be provided at upper ends of the first column 200 and the second column 300 disposed at the uppermost end of the underground storage 2, and preferably, an outer peripheral surface diameter of the upper plate 520 is larger than an outer peripheral surface diameter of the segment 10.
The lower surface of the upper plate 520 may be formed with a ring-shaped protruding section fixing beam 521 for fixing the uppermost end of the section 10, and the section fixing beam 521 may be formed with a ring-shaped inner fixing beam 522 for fixing the inner peripheral surface of the upper end of the section 10 and a ring-shaped outer fixing beam 523 for fixing the outer peripheral surface of the upper end of the section 10, so that a gap or detachment of a connection portion between the blocks 100 disposed at the upper end of the section 10 may be prevented, and thus the structural stability of the constructed underground storage 2 may be further improved.
At least one passage 30 may be formed between the first and second columns 200 and 300 facing each other, and an emergency stair or escalator or an elevator for moving between floors may be provided in the passage 30.
As shown in fig. 20, the third connection beam 400 provided at the position where the channel 30 is formed may be formed in two forms with the connection portion end branch (branching) 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 connecting beam 400 in the form of a branch forms a frame for installing the aisle 30 of the emergency stairway or escalator or elevator, so that the construction time of the aisle 30 of the underground storage 2 can be shortened.
The construction method of the underground parking garage using the downward prefabricated segment vertical hole in the embodiment of the invention comprises the following steps: a first step S10 of forming a wall surface of the underground storage 2; a second step S20 of setting the support column and the beam module at the bottommost end; a third step S30 of additionally providing a pillar and a beam module to form a plurality of layers; a fourth step S40 of filling the inner space of the pillar with concrete; fifth step S50, setting 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 face of the bottommost segment 10 is disposed at the vertical hole 1, the ring-shaped bottommost segment 10 is joined to the upper portion of the sheath, and the segment 10 is 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 bottommost 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 segment 10 downward (S12), and when the bottom surface of the vertical hole 1 is excavated, the sheath and segment 10 are simultaneously moved downward due to the self weight of the sheath and segment 10.
Thereafter, a process of stacking the structures according to the segments 10 of the bottom surface of the excavated vertical hole 1 to move downward and adding the stacked segments 10 is repeatedly performed to form the wall surface of the underground storage 2 (S13).
In this case, when the segment 10 laminate cannot be smoothly moved downward due to friction between the side excavation surface of the vertical hole 1 and the segment 10 or the segment 10 laminate is inclined to be sunk due to uneven drop of the segment 10 laminate caused by a difference in soil quality constituting the ground, the force of pressurizing the upper portion of the topmost segment 10 is adjusted by a plurality of presses arranged at the entrance of the vertical hole 1 so as to form a predetermined interval, whereby the segment 10 laminate is uniformly dropped.
The specifications of the segments 10 or the blocks 100 described above are changed according to the size or kind of the objects stored in the underground storage 2, and the soil condition of the ground forming the underground storage 2 or the number of the blocks 100 constituting each segment 10 may be changed according to the shape which is different depending on the connection or fastening manner between the blocks 100.
In the case where the underground warehouse 2 is used as an underground three-dimensional parking garage of one of the embodiments of the present invention, the specifications and the number of connections of the blocks 100 and the segments 10 according to the number of vehicles that can be parked at each parking floor of the parking garage are shown in the following table.
TABLE 1
Further, ground concrete is poured on the bottom surface of the vertical hole 1, one or more water collection grooves are formed on the edge of the inner bottom surface of the underground storage 2 on which the ground concrete is poured, and a perforated drain pipe (perforated drainpipe) may be provided along the outer peripheral surface of the bottom surface of the segment 10 on the outer side of the wall surface of the underground storage 2.
The water collecting channel and the porous drain pipe are connected to the water collecting well through the water collecting pipe, and after rainwater flowing into the inside and outside of the bottom surface of the underground storage 2 through the water collecting channel and the porous drain pipe is collected in the water collecting well, water collected in the water collecting well is discharged to the sewer pipe through the pump, thereby preventing flooding from occurring in the underground storage 2.
In the second step S20 of construction, the bottommost column and beam module are provided on the upper part of the ground concrete on the ground of the vertical hole 1, and the plurality of first columns 200 formed of hollow-structured pipes are arranged at a predetermined angle so as to approach the inner arched surface of the laminated segment 10 (S21), and similarly, the plurality of second columns 300 formed of hollow-structured pipes are provided at a predetermined interval from the first columns 200 along the center direction of the vertical hole 1, thereby forming the same angle as the arrangement angle of the first columns 200 (S22).
The upper side surfaces of the first struts 200 disposed adjacently of the first struts 200 disposed on the ground concrete are connected by the first connecting beam 220 (S23), the upper side surfaces of the second struts 300 disposed adjacently of the second struts 300 are connected by the second connecting beam 320 (S24), and the upper parts of the first struts 200 disposed oppositely are connected by the third connecting beam 400 so as to form the same angle (S25).
In the third step S30 of the construction, the first column 200 is formed by additionally connecting the first column 200 to the upper portion of the first column 200 provided on the ground concrete surface in a plurality of layers along the height direction of the vertical hole 1 (S31), and the second column 300 is formed by additionally connecting the second column 300 to the upper portion of the second column 300 provided on the ground concrete surface in a plurality of layers along the height direction of the vertical hole 1 (S32).
The upper side surfaces between the adjacently disposed first struts 200 of each layer of the additionally disposed first struts 200 are connected by the first connecting beam 220 (S33), the upper side surfaces between the adjacently disposed second struts 300 of each layer of the additionally disposed second struts 300 are connected by the second connecting beam 320 (S34), and the upper parts of the adjacent first struts 200 and the second struts 300 which are additionally disposed and disposed opposite to each other so as to form the same angle are connected by the third connecting beam 400, respectively (S35).
The steps (S21 to S25) of installing the first pillar 200, the second pillar 300, the first connecting beam 220, the second connecting beam 320, and the third connecting beam 400 are sequentially or simultaneously performed, and the steps (S31 to S35) of additionally installing the first pillar 200, the second pillar 300, the first connecting beam 220, the second connecting beam 320, and the third connecting beam 400 may be sequentially or simultaneously performed.
In this case, the components are standardized to form the first column 200, the second column 300, and the first, second, and third connection beams 220, 320, and 400, and when the second step S20 or the third step S30 is performed, the modularized first column 200, second column 300, and the first, second, and third connection beams 220, 400 are assembled and connected in advance to the outside of the vertical hole 1, and then, after the connection portions of the components are moved to the inside of the vertical hole 1 to connect the connection portions of the modules, the time consumed in the column and beam installation process can be reduced.
In the third step S30, a step (S36) of providing the auxiliary beam 410 and a step (S37) of providing the ring beam 420 on the formed strut and beam structure may be added, 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 rods 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 stay 200 (S33, S35), the first stay 200 and the stay and the beam module structure fixed to each movable connection beam are individually moved to generate a damping effect when an external force is applied due to an earthquake or the like, by being provided on the upper surface of the damper support rod 230 so that the end of the first connection beam 220 or the third connection beam 400 is spaced apart from the outer circumferential surface of the first stay 200 by a predetermined distance.
In this case, the following construction can be selectively performed: in a state where the first connection beam 220 and the first support column 200 are fixed to each other, the third connection beam 400 is spaced apart from the first support column 200 to cause play only between the third connection beam 400 and the first support column 200, or in a state where the third connection beam 400 and the first support column 200 are fixed to each other, the first connection beam 220 is spaced apart from the first support column 200 to cause play only between the first connection beam 220 and the first support column 200, or the first connection beam 220 and the third connection beam 400 are spaced apart from the first support column 200 to cause play simultaneously between the first connection beam 220 and the third connection beam 400 and the first support column 200.
When the structure is such that the play occurs only between the third connection beam 400 and the first support column 200, the first support column 200 and the first connection beam 220 for fixing the first support column 200 form an outer support column and beam module structure, and the second support column 300 and the second connection beam 320 for fixing the second support column 300 form an inner support column and beam module structure, whereby a damping effect is generated by the independent movement between the outer support column and beam module structure and the inner support column and beam module structure.
When the structure is such that the play occurs only between the first connection beam 220 and the first column 200, the second column 300, and the second connection beam 320 and the third connection beam 400 for fixing the first column 200 and the second column 300 form a column and beam module structure, and when the column and beam module structure is deformed or tilted by an external force, the play of the first column 200 occurs due to the movement of the adjacent first columns 200 that is close to or spaced apart from each other, thereby generating a damping effect.
When the first connecting beam 220 and the third connecting beam 400 are configured so that play occurs between the first column 200 and the first column, the two types of the column and the beam module structure are caused to move in a combined manner, thereby generating a damping effect.
In order to prevent the structural stability of the pillars and the beam module structures of the underground storage 2 from being lowered by the damping structure of the first connecting beam 220 or the third connecting beam 400 and the first pillars 200, the damping structure using the damper support rods 230 is not applicable to the first pillars 200 of the lower side pillar columns in which the occurrence of the shaking is relatively small when the external force is applied due to the occurrence of the earthquake or the like, and the damping structure using the damper support rods 230 may be applied to only the first pillars 200 of the upper side or the central portion pillar columns.
In particular, as shown in fig. 18, in order to prevent the play distance from excessively increasing due to the composite damping action between the first connecting beam 220 and the third connecting beam 400 and the first column 200 and to prevent the structural stability of the column and beam module structure of the underground storage 2 from being lowered, the center portions of the first connecting beam 220 and the second connecting beam 320 disposed opposite to each other may be fixed by the third connecting beam 400.
The parabolic groove formed on the upper surface of the damper guide 231 installed to the damper support rod 230, protruding downward, is disposed such that the lowest point is concentric with the outer circumferential surface of the first pillar 200, and when the first connection beam 220 or the third connection beam 400 moves close to or away from the first pillar 200 due to the play between the first connection beam 220 or the third connection beam 400, the first damper 221 or the second damper 403 is separated from the lowest point of the groove and the connection position of the first connection beam 220 or the third connection beam 400 is increased.
The load of the floor slab 500, the floor module 40, and the stored objects installed at the upper portion of the first or third connection beam 220 or 400 is a force that is not applied downward of the first or third connection beam 220 or 400, which increases the connection position due to the damping action, and the force acts as a restoring force by which the first or second dampers 221 or 403 move to the lowest point position of the groove along the curved surface of the damper guide 231, thereby maintaining the interval between the first and third connection beams 220 and 400 and the first column 200.
In addition, a passage 30 for an emergency stairway, an escalator, or an elevator provided for moving between floors may be formed between the first pillar 200 and the second pillar 300 facing each other, and when the underground storage 2 is used as a cargo storage warehouse for an underground parking garage, a logistics container, or the like, the cargo such as a vehicle, a container, or the like is radially arranged from the lifter 20 in the longitudinal direction thereof in order to secure a storage space and to easily use the lifter 20.
Thus, it is preferable that a space not storing the cargo such as the vehicle or the container is formed on the outer side of the segment 10 inner wall direction of the underground storage 2 constituting the circular cross-sectional structure, and the passage 30 is formed in the space not storing the vehicle or the cargo.
When the third connection beam 400 is connected in accordance with the second step S20 or the third step S30 in order to form the channel 30 (S25, S35), the third connection beam 400b may be applied to the portion where the channel 30 is formed, and the third connection beam 400b may be branched into two at the end in the direction of connecting to the first pillar 200.
Each end of the branch of the third connection beam 400b is connected to the first connection beam 220, respectively, and the first connection beam 220 is connected to both sides of the first support column 200 to form the tunnel 30 between the spaces of the branch of the third connection beam 400b, and the third connection beam 400b in the form of the branch forms the frame of the tunnel 30, thereby omitting an additional frame structure setting process for constructing the tunnel 30, and thus shortening the construction time of the tunnel 30 of the underground storage 2.
In the fourth step S40, the space formed between the column of the first column 200 and the column of the second column 300 is filled with concrete, and the columns of the first column 200 and the second column 300 are formed into a steel pipe concrete structure with the concrete filled in the hollow portions.
Accordingly, the first and second columns 200 and 300 can be manufactured as steel pipes having a diameter of usually 500 to 1200mm in order to ensure rigidity of the steel pipe concrete structure by not only being used as a modular frame structure of the underground storage 2 of the first and second columns 200 and 300 but also as a foundation of the upper structure 3 such as a building or the like to be constructed on the upper portion of the underground storage 2, whereby the foundation construction cost of the upper structure 3 can be reduced, and the diameters of the first and second columns 200 and 300 can be applied to a size different from the above specification according to the load of the upper structure 3.
In particular, if the depth of the underground storage 2 increases, the first column 200 and the second column 300 formed by connecting the columns along the height direction of the vertical hole 1 have a column shape having a length longer than the thickness, and thus have a structure in which buckling (buckling) is likely to occur.
Accordingly, in the construction method of the present invention, the adjacent first columns 200 and 300 are fixed to each other by the first and second connection beams 220 and 320, respectively, and then the first and second columns 200 and 300 disposed opposite to each other are fixed to each other by the third connection beam 400, respectively, so that the horizontal deformation of the connection portions between the columns of the respective columns is suppressed, thereby preventing buckling from occurring in the columns.
The first column 200 and the second column 300 having a relatively shorter length than the column are connected in a plurality of layers, and a concrete filled steel tube structure is formed in which the hollow portions of the first column 200 and the second column 300 are filled with concrete, whereby the first column 200 and the second column 300 are formed integrally, and the lengths of the first column 200 and the second column 300 corresponding to the depth of the underground storage 2 can be easily secured, and the hollow structure and the divided structure of each of the first column 200 and the second column 300 having a reduced weight have a length longer than the thickness, so that the column which is easily deformed and damaged can be more easily installed.
In the fifth step S50, the floor slab 500 is installed on the upper surfaces of the first and second connection beams 220 and 320 of each layer of the pillar and beam module structure formed in the fourth step S40, and the installation space of the lifter 20 is formed by the lifting opening 510 formed in the center direction of the vertical hole 1 of each floor slab 500 to be installed.
When the fifth step S50 is executed, the following step S51 may be added: an upper plate 520 constituting an upper lid structure of the underground storage 2 is provided at upper ends of the first column 200 and the second column 300 disposed at the uppermost end of the underground storage 2.
The upper plate 520 forms the bottom surface of the upper structure 3 constructed at the upper portion of the underground storage 2 while forming the upper cover of the underground storage 2, and each pillar body of the underground storage 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 an upper beam 3b is provided between the upper plates 3c of the respective layers constituting the upper structure 3 in order to support the upper plates 3c of the respective layers, and the upper beam 3b is disposed so as to face the upper portion of the first column 200 or the second column 300 of the underground storage 2 in order to secure stability of the frame structure supporting the upper structure 3.
The segment fixing beams 521 formed at the lower portion of the upper plate 520 are fixed to the inner and outer peripheral surfaces of the upper end of the topmost segment 10 constituting the wall surface of the underground storage 2 by the inner fixing beams 522 and the outer fixing beams 523, respectively, to prevent gaps or detachment 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 storage 2.
In the sixth step S60, the floor module 40 is provided at the upper portion of the floor slab 500 of each floor provided 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 more than two floors, and one floor module 40 is provided to form a plurality of floors simultaneously, so that the construction time of the underground storage 2 can be greatly shortened.
After completion of the formation of the pillar and beam module structure inside the underground storage 2 of the fourth step S40, the lifter 20 may be installed together when the fifth step S50 or the sixth step S60 is performed.
While the embodiments of the present invention have been described with reference to the above, it will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
It should be understood, therefore, that the examples described above are illustrative only in all aspects and are not limiting to the invention, and that the scope of the invention described in the foregoing detailed description is indicated by the scope of the invention, and all changes or modifications derived from the meaning of the scope of the invention and the equivalents thereof are included in the scope of the invention.

Claims (14)

1. A modular structure of an underground warehouse using prefabricated segment vertical holes is characterized in that,
an underground warehouse (2) is constructed by inserting ring-shaped segments (10) into the excavation surface of a vertical hole (1), connecting a plurality of prefabricated arch blocks (100) to the segments (10) along the lateral direction, repeating the excavation of the ground and the lamination of the segments (10) to move the segments (10) downward, thereby forming the wall surface of the vertical hole (1), arranging lifters (20) and floors in a plurality of layers on the inner peripheral surface of the inner wall of the vertical hole (1), arranging the lifters (20) in the center of the vertical hole (1) in a rotatable manner,
The underground warehouse (2) comprises:
a plurality of first struts (200) which are provided in a manner so as to be connected in a plurality of layers along the height direction of the vertical hole (1) so as to be close to the inner arch 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 hollow-structure pipes so as to be filled with concrete inside;
a first connection beam (220) provided so as to connect adjacently arranged first struts (200) of each layer;
a second pillar (300) which is provided in a plurality of layers connected to each other along the height direction of the vertical hole (1) so as to be spaced apart from the first pillar (200) by a predetermined distance along the center direction of the vertical hole (1), is arranged so as to form the same angle as the arrangement angle of the first pillar (200), and is formed of a hollow-structure pipe so as to be filled with concrete;
a second connection beam (320) provided so as to connect and fix the second struts (300) disposed adjacently to each other in each layer;
a third connection beam (400) for connecting the first strut (200) and the second strut (300) disposed opposite to each other for each layer;
a plurality of floorslabs (500) which are arranged in a manner of being supported on the upper surfaces of the first connecting beam (220) and the second connecting beam (320) of each layer, and a lifting opening (510) is formed along the center direction of the vertical hole (1), wherein the lifting opening (510) is used for arranging a lifter (20); and
A plurality of floor modules (40) which are provided in the space between the first column (200) and the second column (300) of each floor (500) arranged at each level, and on which two or more floors are formed,
the components that make up the underground storage (2) are standardized.
2. The modular structure of an underground warehouse using vertical holes of prefabricated segments according to claim 1, wherein first fastening ribs (210) and second fastening ribs (310) protruding radially along the outer circumferential surface are formed at upper and lower end connections of the first and second poles (200, 300), respectively, a plurality of fastening holes are formed at each of the first and second fastening ribs (210, 310) in a manner of forming a predetermined angle, and facing fastening holes of the first and second poles (200, 300) connected up and down are connected with fastening members, respectively, to couple connection portions of the first and second poles (200, 300).
3. The underground storage modular structure of claim 1, wherein the prefabricated section vertical holes are used,
a first bracket (201) is formed at the connection part of the first connection beam (220) and the third connection beam (400) of each first support (200), a first connector (202) having a shape complementary to the cross-sectional shape of the ends of the first connection beam (220) and the third connection beam (400) is formed at the end of each first bracket (201),
A second bracket 301 is formed at the connection portion of the second connection beam 320 and the third connection beam 400 of each second pillar 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 connection beam (220) or third connection beam (400) and the first connector (202) and in the joint between the second connection beam (320) or third connection beam (400) and the second connector (302), and the facing fastening holes are respectively connected with the fastening members to join the beams and the connectors.
4. The underground storage modular structure of claim 1, wherein the prefabricated section vertical holes are used,
an auxiliary beam (410) is provided, the auxiliary beam (410) is used for connecting the center parts of the first connecting beam (220) and the second connecting beam (320) which are arranged oppositely for each layer, one side end of the auxiliary beam (410) protrudes a prescribed length along the center direction of the vertical hole (1),
an annular ring beam (420) is connected to the ends of the protruding auxiliary beams (410).
5. The underground storage modular structure using prefabricated segment vertical holes according to claim 1, wherein a damper supporting rod (230) is installed at the outer circumferential surface of the connection portion of the first connection beam (220) or the third connection beam (400) of the first support column (200), the first connection beam (220) or the third connection beam (400) is connected to the upper surface of the damper supporting rod (230), the end of the first connection beam (220) or the third connection beam (400) connected to the damper supporting rod (230) is spaced apart from the outer circumferential surface of the first support column (200) by a predetermined interval, and a damping effect is generated due to play between the first support column (200) and the first connection beam (220) or the third connection beam (400) when an external force acts on the underground storage (2).
6. The underground storage modular structure of claim 5, wherein the prefabricated section vertical holes are used,
a damper guide (231) is installed at an upper portion of the damper supporting rod (230), the damper guide (231) forms a parabolic groove having a surface protruding downward and a lowest point of the groove is disposed to be concentric with an outer circumferential surface of the first supporting column (200),
a first damper 221 or a second damper 403 is protruded from the lower end of a first connection beam 220 or a third connection beam 400 connected to a damper support rod 230, respectively, so that a damper guide 231 is brought into contact with the first damper 221 or the second damper 403,
when play occurs between the first pillar (200) and the first connection beam (220) or the third connection beam (400), a damping effect is generated while the first damper (221) or the second damper (403) returns to the groove lowest point position of the damper guide (231).
7. The underground storage modular structure of claim 1, wherein the prefabricated section vertical holes are used,
an upper plate (520) constituting an upper cover structure of the underground storage (2) is provided at the upper ends of the first column (200) and the second column (300) disposed at the uppermost end of the underground storage (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 in a ring shape for fixing the upper end inner peripheral surface of the segment 10 and an outer fixing beam 523 in a ring shape for fixing the upper end outer peripheral surface of the segment 10.
8. The underground storage modular structure of claim 1, wherein the prefabricated section vertical holes are used,
at least one channel (30) is formed between the first and second opposing struts (200, 300),
a third connection beam (400) provided at a position where the channel (30) is formed in a configuration in which the connection direction ends of the first support column (200) are branched into two, each end of the branched third connection beam (400) is connected to the first connection beam (220), the first connection beam (220) is connected to both sides of the first support column (200), and the channel (30) is formed between the branched spaces of the third connection beam (400).
9. A modularized construction method for an underground warehouse by utilizing a vertical hole of a prefabricated section is characterized in that,
the underground warehouse (2) is constructed by the following steps:
a first step (S10) of connecting a plurality of prefabricated arch blocks (100) in the lateral direction to form ring-shaped segments (10), and stacking the segments (10) to form the wall surface of the underground storage (2);
A second step (S20) of arranging a bottommost strut and beam module on the bottom surface of the vertical hole (1);
a third step (S30) of additionally arranging a pillar and a beam module along the height direction of the vertical hole (1) to form a plurality of layers;
a fourth step (S40) of filling the interior space of the first pillar (200) and the second pillar (300) connected with each other with concrete;
a fifth step (S50) of providing a plurality of floors (500) on upper surfaces of the first connection beams (220) and the second connection beams (320) of each layer of the pillar-beam module structure, wherein the plurality of floors (500) are formed with a lifting opening (510) for providing a lifter (20) along a center direction of the vertical hole (1); and
a sixth step (S60) of providing a plurality of floor modules (40) in the space between the first column (200) and the second column (300) of each floor (500) arranged on each floor, wherein the plurality of floor modules (40) are formed with two or more floors,
the first step (S10) includes:
a step (S11) of disposing a ring-shaped sheath for protecting the lower surface of the bottommost segment (10) at the position of the vertical hole (1), and bonding the bottommost segment (10) to the upper part of the sheath;
a step (S12) of digging the bottom surface of the vertical hole (1) to move the sheath and the segment (10) downward; and
A step (S13) of repeatedly performing downward movement of the laminated structure of the segments (10) on the bottom surface of the vertical hole (1) and additional lamination of the segments (10) to form the wall surface of the underground storage (2),
the second step (S20) is performed sequentially or simultaneously by:
a step (S21) in which a plurality of first struts (200) are arranged at a predetermined angle on the bottom surface of the vertical hole (1), and the plurality of first struts (200) are formed from a hollow-structured tube so as to approach the inner arch surface of the laminated segment (10);
a step (S22) in which a second pillar (300) formed of a hollow pipe is provided on the bottom surface of the vertical hole (1) such that the second pillar (300) is spaced apart from the first pillar (200) by a predetermined distance along the center direction of the vertical hole (1) and is formed at the same angle as the arrangement angle of the first pillar (200);
a step (S23) of connecting upper side surfaces of the first struts (200) disposed adjacently to each other via first connection beams (220);
a step (S24) of connecting the upper side surfaces of the second struts (300) adjacently arranged to each other by means of second connection 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 through a third connecting beam (400),
The third step (S30) is performed by repeating the following steps sequentially or simultaneously:
a step (S31) in which the first column (200) and the second column (300) are additionally connected to the upper ends of the first column (200) and the second column (300), respectively;
a step (S33) of connecting upper side surfaces, which are opposite to each other, between the first struts (200) that are additionally connected in an adjacent arrangement by means of first connection beams (220);
a step (S34) in which upper side surfaces, which are opposite to each other, of second struts (300) that are additionally connected in an adjacent arrangement are connected by second connection beams (320); and
a step (S35) of connecting the upper parts of the first column (200) and the second column (300) which are additionally connected in an opposite arrangement through a third connecting beam (400),
the components constituting the constructed underground warehouse (2) are standardized.
10. The method of modular construction of an underground storage with prefabricated segmental vertical wells according to claim 9, wherein,
in the third step (S30), a step (S36) of providing an auxiliary beam (410) and a step (S37) of providing an annular beam (420) are added,
the auxiliary beams (410) are used for connecting the central parts of the first connecting beam (220) and the second connecting beam (320) which are arranged oppositely, one side end of the auxiliary beam (410) protrudes by a prescribed length along the central direction of the vertical hole (1), and the end of each auxiliary beam (410) protruding with the annular beam (420) is connected.
11. The method of modular construction of an underground storage with prefabricated segmental vertical wells according to claim 9, wherein,
in the third step (S30), a step (S31 a) of attaching damper support rods (230) to the outer peripheral surface of the connection portion of the first connection beam (220) or the third connection 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 end of the first connecting beam (220) or the third connecting beam (400) is arranged on the upper surface of the damper supporting rod (230) at a prescribed interval from the outer peripheral surface of the first supporting rod (200), so that the first supporting rod (200) and the first connecting beam (220) or the third connecting beam (400) play.
12. The method of modular construction of an underground storage with prefabricated segmental vertical wells according to claim 11, wherein,
a damper guide 231 is installed at 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 support column 200, a first damper 221 or a second damper 403 is protruded at a lower end portion of a first connection beam 220 or a 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 the step (S33) of connecting through the first connecting beam (220) or the step (S35) of connecting through the third connecting beam (400) in the third step (S30) is executed, the first connecting beam (220) or the third connecting beam (400) is arranged, and the first damper (221) or the second damper (403) is arranged on the upper part of the groove of the damper guide (231).
13. The method of modular construction of an underground storage with prefabricated segmental vertical wells 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 lid structure of the underground storage (2) at upper ends of the first column (200) and the second column (300) disposed at the uppermost end of the underground storage (2),
the outer peripheral surface diameter of the upper plate (520) is larger than the outer peripheral surface diameter of the segment (10), the lower surface of the upper plate (520) protrudes to form a segment fixing beam (521) for fixing the topmost end of the segment (10),
the segment fixing beam 521 is formed of an inner fixing beam 522 in a ring shape for fixing the upper end inner peripheral surface of the segment 10 and an outer fixing beam 523 in a ring shape for fixing the upper end outer peripheral surface of the segment 10.
14. The method of modular construction of an underground storage with prefabricated segmental vertical wells according to claim 9, wherein,
When the steps (S25) and (S35) of connecting the third connecting beam (400) in the second step (S20) and the third step (S30) are performed, the third connecting beam (400 b) branching into two from the connecting direction end of the first pillar (200) is applied,
a channel (30) is formed between spaces of branches of the third connection beam (400 b) by connecting each end of the branches of the third connection beam (400 b) to the first connection beam (220), the first connection beam (220) being connected to both sides of the first support column (200).
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