CN113216727A - Assembled concrete frame building shock-absorbing structure system - Google Patents

Assembled concrete frame building shock-absorbing structure system Download PDF

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Publication number
CN113216727A
CN113216727A CN202110517515.9A CN202110517515A CN113216727A CN 113216727 A CN113216727 A CN 113216727A CN 202110517515 A CN202110517515 A CN 202110517515A CN 113216727 A CN113216727 A CN 113216727A
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China
Prior art keywords
connection
assembled
shock absorption
steel
absorption structure
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CN202110517515.9A
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Chinese (zh)
Inventor
何文福
康嘉志
许浩
张强
刘文光
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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Priority to CN202110517515.9A priority Critical patent/CN113216727A/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B1/1903—Connecting nodes specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21—Connections specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/025—Structures with concrete columns
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1924—Struts specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1957—Details of connections between nodes and struts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1975—Frameworks where the struts are directly connected to each other, i.e. without interposed connecting nodes or plates
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1993—Details of framework supporting structure, e.g. posts or walls

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention provides an assembly type concrete frame building shock absorption structure system, and belongs to the technical field of assembly type building structures and structural shock absorption. The problem of prefabricated assembled frame construction itself anti-seismic performance lower, can't satisfy the antidetonation requirement is solved. The technical scheme is as follows: the utility model provides an assembled concrete frame building shock-absorbing structure system, wherein, includes assembled structural connection system, assembled shock attenuation connection system, assembled shock-absorbing structure column connection, assembled shock-absorbing structure assembled node and roof beam connection. The invention has the beneficial effects that: the invention has simple structure, can give consideration to safety and cost control, simultaneously ensures the shock absorption effect of the building by the connection mode of the damper, has good shock absorption effect, effectively controls the shock/vibration response of the upper structure under the action of the earthquake/vibration, and dissipates the earthquake energy, thereby protecting the structure safety under the action of the earthquake/vibration.

Description

Assembled concrete frame building shock-absorbing structure system
Technical Field
The invention relates to the technical field of assembly type building structures and structural damping, in particular to an assembly type concrete frame building damping structure system.
Background
The traditional building industry mode has the problems of large resource and energy consumption, serious environmental pollution, backward industrial technology, intensive manpower and the like, and cannot adapt to the sustainable development requirements of green and low carbon. Compared with the prior art, the building industrialization is a production mode which is mainly characterized by adopting standardized design, industrialized production, assembled construction, integrated decoration and informatization management, and a complete organic industrial chain is formed in the links of design, production, construction, management and the like, so that the industrialization, intensification and socialization of the whole house construction process are realized, the quality and benefit of the building engineering are improved, the energy conservation, emission reduction and resource conservation are realized, and the method is an important way for realizing transformation and upgrading of the building industry at present.
The prefabricated assembly type technology starts in 1920 years, and is immature, particularly, the construction technology of a beam column node of an assembly type structure is not perfect, the anti-seismic performance of the prefabricated assembly type frame structure is rarely researched, the structural performance cannot meet the anti-seismic requirement, and the development and popularization work of the assembly type structure is severely restricted.
How to solve the above technical problems is the subject of the present invention.
Disclosure of Invention
The invention aims to provide an assembly type concrete frame building damping structure system which can simultaneously take practical performance and anti-seismic performance into consideration.
The idea of the invention is as follows: the invention relates to an assembly type concrete frame building shock absorption structure system, which consists of prefabricated assembly type nodes, prefabricated beams, prefabricated columns, prefabricated floor slabs, prefabricated enclosure walls and the like under the background of good shock absorption efficiency of viscous dampers, and relates to the connection of the assembly type nodes and the beams, the connection of the assembled type nodes and the outer columns, the connection of the nodes and the beams, the connection of the slab beams and the enclosure structures along the racking direction, wherein the enclosure structure connection comprises the connection of an outer wall and the connection of the beams and an inner wall and the connection of the beams, the prefabricated assembly type nodes and the dampers are connected in layers to form a set of complete assembly type shock absorption system, the node area of the system is prefabricated as a whole, stirrups are encrypted in the core area of the nodes to ensure the performance of the node area, and on the basis, the connection mode of all other parts adopts a dry-wet combination mode, the construction efficiency is improved, the damping measures are matched, the requirements of wall column weak beams, equal cast-in-place and the like are met, meanwhile, the construction efficiency can be improved, and the cost is saved to the maximum extent.
The invention is realized by the following measures: an assembly type concrete frame building shock absorption structure system comprises an assembly type structure connecting system, an assembly type shock absorption structure column connection, and an assembly type shock absorption structure assembly type node and a beam connection;
the assembly type node and beam connection of the assembly type shock absorption structure comprises connection along the bent frame direction and connection with a frame longitudinal node beam, connection of an assembly type shock absorption structure plate beam and connection of an assembly type shock absorption structure enclosure structure;
the assembled shock absorption structure enclosure structure comprises an outer wall connected with a beam, an inner wall connected with the beam and an assembled shock absorption structure prefabricated assembled node connected with an assembled shock absorption structure damper layer.
Furthermore, the assembled damping structure column connection comprises an upper column connection part square steel pipe and a lower column connection part I-steel;
the upper column connecting part square steel pipe and the lower column connecting part I-steel are provided with corresponding hole sites, and the lower column connecting part I-steel is inserted into the upper column connecting part square steel pipe and aligned with the hole sites and is fastened and connected through bolts and screws.
Furthermore, the assembled node of the assembled shock absorption structure is connected with the beam, the bearing direction of the assembled shock absorption structure is connected with the bolt at the joint of the embedded I-shaped steel by the bolt in the direction vertical to the bearing direction, and the longitudinal I-shaped steel connecting part of the assembled shock absorption structure is connected with the rear template through the bolt in a dry mode and then is poured with concrete. To improve the strength of the connection.
Furthermore, the floor slab that assembled shock-absorbing structure slab beam is connected is prefabricated floor slab as an organic whole, and the floor slab edge sets up for unsmooth crisscross form, and the reservation reinforcing bar stretches out outside the board, forms the post-cast strip reinforcing bar with the reservation reinforcing bar that precast beam upwards stretched out together. After the floor slab is hoisted, the post-cast strip is poured, so that the integral connection strength of the floor slab can be ensured, and meanwhile, the construction efficiency is considered.
Furthermore, the connection of the fabricated damping structure enclosure structure is divided into the connection of an outer wall and a beam plate and the connection of an inner wall and the beam plate, and the connection of an F-shaped steel bolt buckle and an angle steel bolt buckle is respectively adopted;
when the outer wall is connected with the beam slab, the joint of the wall beam and the precast floor slab is subjected to waterproof treatment, and then the wall beam and the precast floor slab are connected with each other through the F-shaped steel bolt buckle, so that the wall beam, the precast floor slab and the precast floor slab are integrated into a whole, and concrete is poured behind the joint of the wall slab; the integrity of the joint is improved, and the overall performance is good.
The inner wall and the beam plate are connected through angle steel bolts and buckles, and concrete is poured behind the joint of the inner wall beam plate; improving its integrity.
Furthermore, the prefabricated assembled node of the assembled shock absorption structure is an internal embedded I-shaped steel, a connecting square steel pipe and a connecting steel plate, the longitudinal ribs of the upper portion and the lower portion of the node are cut off during prefabrication and are welded with the embedded steel plate, then the connecting square steel pipe is welded with the embedded I-shaped steel and the connecting steel plate, and the size of the square steel pipe is slightly larger than that of the I-shaped steel. The node integrity is better, and the core area is strengthened.
Furthermore, the interlayer connection of the assembled damping structure damper is that a connecting deep beam is arranged at the upper beam end and the lower beam end between the layers, and the middle part between the layers is matched with a viscous damper to connect the dampers.
Furthermore, the prefabricated assembled node of the assembled shock absorption structure is prefabricated in a factory, assembling work such as node beam assembling, column lapping and the like is carried out on site, and due to the fact that the dry type connection is matched with the connection of post-cast concrete, construction can be immediately continued after the post-cast concrete is adopted, and the prefabricated assembled node of the assembled shock absorption structure has the advantages of being strong in structure, fast in construction and high in efficiency.
The upper and lower embedded parts connected with the outer column of the assembled shock absorption structure node of the assembled concrete frame building shock absorption structure system are respectively embedded with square steel pipes and I-shaped steel, wherein the cross section size of the I-shaped steel embedded part is slightly smaller than that of the embedded part of the square steel pipes, and the surfaces of the embedded square steel pipes and the I-shaped steel are respectively provided with an anchor part to strengthen the bond performance with concrete and improve the mechanical anchoring capacity with concrete; the tail ends of the embedded steel members (the square steel pipes and the I-shaped steel) are respectively welded with the front sides of the steel plates, and the back sides of the steel plates are continuously connected with the steel bars, and the welded connection mode is still adopted.
The connecting part of the outer column connection of the assembled shock absorption structure node comprises an upper column connecting part square steel tube and a lower column connecting part I-shaped steel, wherein the section size of the I-shaped steel connecting part is slightly smaller than the square steel tube, the upper connecting part and the lower connecting part are provided with corresponding hole sites, in the construction process, the lower connecting part I-shaped steel is inserted into the upper part square steel tube and aligned with the hole sites, fastening connection is carried out by using bolts and screws, then a template is supported around the outside of the connecting part, concrete is prepared to be poured, a lower grout inlet is formed in the template, an air outlet is formed in the upper grout outlet and the side of the template, grout is poured from the lower grout inlet of the template after the template is completely arranged, and finally the concrete reaches the initial strength and can continue the upper structure construction.
The assembled node of the assembled damping structure of the structural system is connected with a beam, and in the structural system, the inner direction and the longitudinal direction of a bent frame are respectively connected with an embedded I-shaped steel connecting part through bolts by bracket bolts; the bracket bolt in the bent frame is connected with the upper part and the lower part of the bracket connection and is provided with a concave end to be matched with the upper bolt connecting cover plate and the lower bolt connecting cover plate, and the flat head nut is adopted for bolting, so that the flatness and the neatness of the beam surface are ensured. The I-steel bolts are embedded in the outer direction of the bent frame, I-steel with the same cross section size is embedded in the left section and the right section of the bent frame respectively, a certain length is extended out to serve as a connecting section, the end heads of the I-steel of the connecting section are welded with rectangular steel plates with the same cross section length and width respectively, bolt connecting holes are formed in the steel plates, when the bent frame is installed on site, the beam bodies of the left section and the right section are connected through a dry connecting method of bolt connection, and finally concrete is poured after the I-steel bolt connecting portion supports a template to improve the connecting strength of the bent frame.
This structural system's assembled shock-absorbing structure slab beam connects, and wherein the floor is prefabricated floor as an organic whole, and is similar with the coincide floor, is equipped with the reinforcing bar rack in the inboard, adopts similar superimposed sheet's v type reinforcing bar rack, and prefabricated integrative component is reserved at the edge and is stretched out the reinforcing bar. Adopt the unsmooth crisscross form of similar serrated raft in the edge of floor, and reserve the reinforcing bar and stretch out outside the board, remain together with the reservation reinforcing bar that prefabricated roof beam upwards stretches out, form post-cast strip reinforcing bar, when floor hoist and mount, control the crisscross interlock of board connection and adjust well the connection, hoist and mount and finish post-cast concrete and form post-cast strip, can guarantee the bulk joint strength of floor, compromise the efficiency of being under construction simultaneously.
The assembled shock-absorbing structure enclosure structure of the structural system is connected by connecting an outer wall with a beam and a plate and connecting an inner wall with a beam plate, and the form that an F-shaped steel bolt buckle and an angle steel bolt buckle are connected is adopted respectively. Wherein, when the outer wall is connected with the beam slab, the outer wall carries out the overlap joint with the unsmooth cross-section form that the roof beam setting similar bracket is connected, and fill waterproof material in wall roof beam joint seam department and carry out water repellent, help guaranteeing the waterproof performance of outer wall when improving its connection performance, pass through F shaped steel bolt buckle with prefabricated floor again and connect wall roof beam and prefabricated floor, make the three become a whole, water concrete and do water repellent behind the seam crossing of wallboard and roof beam at last, improve the wholeness of junction, the wholeness is good. When interior wall and beam slab are connected, through angle steel bolt buckle connection wall beam slab, make its three connect, at last pour the concrete behind wallboard seam crossing, improve its wholeness.
Prefabricated assembled node of assembled shock-absorbing structure of this structural system encrypts the stirrup in the regional encryption of node core to set up extra vertical muscle and cut in appropriate position vertically, form firm reinforcing bar rack, improve the regional performance of node core. And then, pre-burying I-shaped steel and square steel pipes in the upper and lower areas of the node respectively, and welding the I-shaped steel and the square steel pipes with a connecting steel plate. And cutting off longitudinal ribs of the upper part and the lower part of the node during prefabrication, and welding the longitudinal ribs with the embedded connecting steel plate, wherein the size of the square steel pipe is slightly larger than that of the I-shaped steel, so that the I-shaped steel connecting part can be sleeved into the square steel pipe connecting part when the node outer column is connected. The node integrity is better, and the core area is strengthened.
The assembled damping structure damper of the structural system is connected between layers, connecting deep beams are arranged at the upper beam end and the lower beam end between the layers respectively, and the connecting beam and the beam are shorter in connecting length so as to ensure that the rigidity influence of the connecting beam on a structural beam body is at a lower level. The beam and the deep connecting beam are connected through a connecting steel plate, a bolt and a bolt rod, the connecting beam and the damper are connected through a rotatable hinge in a welding mode, the viscous damper is arranged, when the interlayer displacement is small, the damper can provide damping force, and the damping performance of the building structure is guaranteed.
The prefabricated node can be a middle node and an edge node, the concrete form is connected with the column, the beam-beam connection is proper, and the connection form of the beam-column connection in the structural system adopts the same design method in the structural system.
The additional longitudinal steel bars in the core area of the prefabricated node can be cut off after being bent at a proper position, and the cutting method is suitable for specific engineering example design and standard regulations.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has simple structure, can give consideration to safety and cost control, simultaneously ensures the shock absorption effect of the building by the connection mode of the damper, has good shock absorption effect, effectively controls the shock/vibration response of the upper structure under the action of the earthquake/vibration, and dissipates the earthquake energy, thereby protecting the structure safety under the action of the earthquake/vibration.
2. The assembled node of the invention adopts a mode of node integrated prefabrication, the node has the same mechanical property and overall performance as a cast-in-place structure, the strength and rigidity of the node and the like all meet the requirements of cast-in-place design, the structure is simpler, no complex construction method and special design exist, and the invention is beneficial to rapid prefabrication in factories.
3. According to the invention, two different connection methods for connecting the nodes and the beams can be mutually adjusted or matched, so that the structural design requirements under different working conditions can be met, post-cast concrete can be omitted in I-steel dry connection, and the dry connection method is completely adopted, so that the purposes of quick construction, saving of template materials and shortening of construction period are achieved, and the fabricated damping design under different building design requirements can be met.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic structural diagram of a fabricated prefabricated node according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of connection between an assembled node outer column and a column according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a connection direction in the assembled node and precast beam connection bent frame according to the embodiment of the present invention.
Fig. 4 is a structural schematic diagram of the assembled node and precast beam connecting bent frame outer longitudinal connecting direction according to the embodiment of the present invention.
Fig. 5 is a structural schematic diagram of a section of a fabricated beam according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of an assembled prefabricated panel according to an embodiment of the present invention.
FIG. 7 is a schematic structural view showing a section of an assembled prefabricated panel according to an embodiment of the present invention.
FIG. 8 is a schematic structural view illustrating the connection of prefabricated panels to prefabricated panels according to an embodiment of the present invention.
Fig. 9 is a schematic structural view illustrating the connection of the prefabricated panels and the beams according to the embodiment of the present invention.
Fig. 10 is a schematic structural view of the connection between the assembled exterior wall and the beam slab according to the embodiment of the invention.
Fig. 11 is a schematic structural view of a connection section of an assembled exterior wall and a beam plate according to an embodiment of the invention.
Fig. 12 is a schematic structural view illustrating the connection of the fabricated interior wall and the beam slab according to the embodiment of the present invention.
Fig. 13 is a schematic structural view of a connection section of the fabricated interior wall and the beam slab according to the embodiment of the present invention.
FIG. 14 is a schematic structural diagram of the assembled interlayer damper connection according to the embodiment of the present invention.
Wherein the reference numerals are: 1. the assembled shock absorption structure is connected through columns; 2. the assembled node of the assembled shock absorption structure is connected with the beam; 3. connecting the assembled damping structure plate beams; 4. connecting the assembled shock absorption structure enclosure structure; 5. prefabricating an assembly type node by using an assembly type damping structure; 6. and connecting the layers of the assembled shock absorption structure damper.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting.
Example 1
Referring to fig. 1 to 14, the invention provides a technical scheme that the assembly type concrete frame building shock absorption structure system comprises an assembly type structure connection system, an assembly type shock absorption structure column connection 1 and an assembly type shock absorption structure assembly type node and beam connection 2;
the assembly type node and beam connection 2 of the assembly type shock absorption structure comprises connection along the bent frame direction and connection with a frame longitudinal node beam, connection 3 of an assembly type shock absorption structure plate beam and connection 4 of an assembly type shock absorption structure enclosure structure;
the assembled shock absorption structure enclosure structure connection 4 comprises an outer wall and beam connection, an inner wall and beam connection and an assembled shock absorption structure prefabricated assembly type node 5 and an assembled shock absorption structure damper interlayer connection 6.
Preferably, the assembled damping structure column connection 1 comprises an upper column connection part square steel pipe and a lower column connection part I-steel;
the upper column connecting part square steel pipe and the lower column connecting part I-steel are provided with corresponding hole sites, and the lower column connecting part I-steel is inserted into the upper column connecting part square steel pipe and aligned with the hole sites and is fastened and connected through bolts and screws.
Preferably, the fabricated node of the fabricated damping structure is connected with the beam 2, the bearing direction and the direction perpendicular to the bearing direction are respectively connected with the bolt at the joint of the embedded I-shaped steel by bolts, and the longitudinal I-shaped steel connecting part is in bolt dry connection with the rear supporting template and then is poured with concrete. To improve the strength of the connection.
Preferably, the floor slab that assembled shock-absorbing structure slab beam connects 3 is prefabricated floor slab as an organic whole, and the floor slab edge sets up for unsmooth crisscross form, and the reserved reinforcing bar stretches out outside the board, forms the post-cast strip reinforcing bar with the prefabricated beam upwards stretches out reserved reinforcing bar together. After the floor slab is hoisted, the post-cast strip is poured, so that the integral connection strength of the floor slab can be ensured, and meanwhile, the construction efficiency is considered.
Preferably, the assembled shock-absorbing structure enclosure structure connection 4 is divided into an outer wall and beam plate connection and an inner wall and beam plate connection, and the connection forms of an F-shaped steel bolt buckle and an angle steel bolt buckle are respectively adopted;
when the outer wall is connected with the beam slab, the joint of the wall beam and the precast floor slab is subjected to waterproof treatment, and then the wall beam and the precast floor slab are connected with each other through the F-shaped steel bolt buckle, so that the wall beam, the precast floor slab and the precast floor slab are integrated into a whole, and concrete is poured behind the joint of the wall slab; the integrity of the joint is improved, and the overall performance is good.
The inner wall and the beam plate are connected through angle steel bolts and buckles, and concrete is poured behind the joint of the inner wall beam plate; improving its integrity.
Preferably, the prefabricated assembled node 5 of the assembled shock absorption structure is an internal embedded I-shaped steel, a connecting square steel pipe and a connecting steel plate, the longitudinal ribs of the upper portion and the lower portion of the node are cut off during prefabrication and are welded with the embedded steel plate, then the connecting square steel pipe is welded with the embedded I-shaped steel and the connecting steel plate, and the size of the square steel pipe is slightly larger than that of the I-shaped steel. The node integrity is better, and the core area is strengthened.
Preferably, the interlayer connection 6 of the assembled shock absorption structure damper is formed by arranging a connection deep beam at the upper and lower beam ends between the layers and matching a viscous damper in the middle between the layers to connect the dampers.
Preferably, the prefabricated assembled node 5 of the assembled shock absorption structure is prefabricated in a factory, assembling work such as node beam assembling, column lapping and the like is carried out on site, and due to the fact that the dry type connection is matched with the connection of post-cast concrete, construction can be immediately continued after the post-cast concrete is adopted, and the prefabricated node has the advantages of being strong in structure, fast in construction and high in efficiency.
The upper embedded part and the lower embedded part which are connected with the outer column of the assembled shock absorption structure node of the assembled concrete frame building shock absorption structure system are respectively embedded with square steel pipes and I-shaped steel, wherein the cross section size of the I-shaped steel embedded part is slightly smaller than that of the embedded part of the square steel pipes, and the surfaces of the embedded square steel pipes and the I-shaped steel are respectively provided with an anchor part so as to enhance the bonding performance with concrete and improve the mechanical anchoring capacity with the concrete; the ends of the embedded steel member square steel pipe and the I-shaped steel are respectively welded with the front side of the steel plate, and the back side of the steel plate is continuously connected with the reinforcing steel bars, and the welded connection mode is still adopted.
The connecting part of the outer column connection of the assembled shock absorption structure node comprises an upper column connecting part square steel tube and a lower column connecting part I-steel, wherein the section size of the I-steel connecting part is slightly smaller than the square steel tube, the upper connecting part and the lower connecting part are provided with corresponding hole sites, the lower connecting part I-steel is inserted into the upper square steel tube and aligned with the hole sites in construction, bolts and screws are used for fastening connection, then a template is supported around the outside of the connecting part, concrete is prepared for pouring, a lower grout inlet is formed in the template, a grout outlet is formed in the upper grout outlet and a lateral air outlet, after the template is arranged, grout is poured from a lower grout inlet of the template, and finally, the upper structure construction can be continued when the concrete reaches the initial strength.
The assembled shock absorption structure of the structural system is characterized in that assembled nodes of the assembled shock absorption structure of the structural system are connected with beams, and in the structural system, bracket bolted connection and embedded I-shaped steel connecting part bolted connection are adopted in the inner direction and the longitudinal direction of a bent frame respectively; the bracket bolt in the bent frame is connected with the upper part and the lower part of the bracket connection through concave surface ends to be matched with the upper bolt connecting cover plate and the lower bolt connecting cover plate, and bolt connection is carried out through flat head nuts, so that the flatness and the neatness of the beam surface are guaranteed. The I-steel bolts are embedded in the left section and the right section of the bent frame in the outer direction, I-steel with the same cross section size is embedded in the left section and the right section of the bent frame respectively, a certain length is extended out to serve as a connecting section, rectangular steel plates with the same cross section length and width are welded at the end heads of the I-steel of the connecting section respectively, bolt connecting holes are formed in the steel plates, when the bent frame is installed on site, the left section and the right section of the beam body are connected through a dry connecting method of bolt connection, and finally concrete is poured after the I-steel bolt connecting portion supports a template to improve the connecting strength of the bent frame.
Wherein, this structural system's assembled shock-absorbing structure slab beam connects, and wherein the floor is prefabricated floor as an organic whole, and is similar with the coincide floor, is equipped with the reinforcing bar rack in the inboard, adopts the v type reinforcing bar rack of similar superimposed sheet, prefabricated integrative component and reserve at the edge and stretch out the reinforcing bar. Adopt the unsmooth crisscross form of similar serrated raft in the edge of floor, and reserve the reinforcing bar and stretch out outside the board, remain together with the reservation reinforcing bar that prefabricated roof beam upwards stretches out, form post-cast strip reinforcing bar, when floor hoist and mount, control the board and connect crisscross interlock and adjust well the connection, hoist and mount and finish post-cast concrete and form post-cast strip, can guarantee the bulk joint strength of floor, compromise the efficiency of construction simultaneously.
The assembled shock absorption structure enclosure structure of the structure system is connected by connecting an outer wall with a beam and a plate and connecting an inner wall with the beam and the plate, and the form that an F-shaped steel bolt buckle and an angle steel bolt buckle are connected is adopted respectively. Wherein, when outer wall and beam slab connect, the outer wall carries out the overlap joint with the unsmooth cross-section form that the roof beam setting similar bracket is connected, and fill waterproof material in wall roof beam joint seam department and carry out water repellent, help guaranteeing the waterproof performance of outer wall when improving its connectivity, pass through F shaped steel bolt buckle with prefabricated floor again and connect wall roof beam and prefabricated floor, make the three become a whole, at last pour the concrete and do water repellent behind the joint seam department of wallboard and roof beam, improve the wholeness of junction, the wholeness can be good. When interior wall and beam slab are connected, through angle steel bolt buckle connection wall beam slab, make its three connect, at last pour the concrete behind wallboard seam crossing, improve its wholeness nature.
Wherein, the prefabricated assembled node of assembled shock-absorbing structure of this structural system encrypts the stirrup in the regional encryption of node core to set up extra vertical muscle and cut in appropriate position vertically, form firm reinforcing bar rack, improve the performance in node core region. And then, pre-burying I-shaped steel and square steel pipes in the upper and lower areas of the node respectively, and welding the I-shaped steel and the square steel pipes with a connecting steel plate. And cutting off longitudinal ribs of the upper part and the lower part of the node during prefabrication, and welding the longitudinal ribs with the embedded connecting steel plate, wherein the size of the square steel pipe is slightly larger than that of the I-shaped steel, so that the I-shaped steel connecting part can be sleeved into the square steel pipe connecting part when the node outer column is connected. The node integrity is better, and the core area is strengthened.
The assembled damping structure damper of the structural system is connected between layers, connecting deep beams are arranged at the upper beam end and the lower beam end between the layers respectively, and the connecting beam is shorter in connecting length with the beams so as to ensure that the rigidity influence of the connecting beam on a structural beam body is at a lower level. The beam and the deep beam are connected through a connecting steel plate, a bolt and a bolt rod, the connecting beam and the damper are connected through a rotatable hinge in a welding mode, the viscous damper is arranged, when the interlayer displacement is small, the damper can provide damping force, and the shock absorption performance of the building structure is guaranteed.
The prefabricated node can be a middle node and an edge node, the concrete form is connected with the column, the beam-beam connection is adaptive, and the connection form of the beam-column connection in the structural system adopts the same design method in the structural system.
The cutting of the extra longitudinal steel bars in the core area of the prefabricated node can be performed after the extra longitudinal steel bars are bent at proper positions, and the cutting is suitable for specific engineering example design and standard regulations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (7)

1. An assembly type concrete frame building shock absorption structure system is characterized by comprising an assembly type structure connecting system, an assembly type shock absorption structure column connection (1), and an assembly type shock absorption structure assembly type node and beam connection (2);
the assembled node and beam connection (2) of the assembled shock absorption structure comprises connection along the bent frame direction and connection with a frame longitudinal node beam, plate-beam connection (3) of the assembled shock absorption structure and connection (4) of the enclosing structure of the assembled shock absorption structure;
the assembled shock absorption structure enclosure structure connection (4) comprises an outer wall connected with a beam, an inner wall connected with the beam and an assembled shock absorption structure prefabricated assembly node (5) connected with an assembled shock absorption structure damper layer (6).
2. An assembled concrete framed building shock absorbing structural system according to claim 1, wherein the assembled shock absorbing structural column connection (1) includes an upper column connection part square steel pipe and a lower column connection part i-steel;
the upper column connecting part square steel pipe and the lower column connecting part I-steel are provided with corresponding hole sites, and the lower column connecting part I-steel is inserted into the upper column connecting part square steel pipe and aligned with the hole sites and is fastened and connected through bolts and screws.
3. An assembled concrete frame building shock absorption structure system according to claim 1 or 2, wherein the assembled nodes of the assembled shock absorption structure are connected with the beam (2), the bearing direction and the direction perpendicular to the bearing direction are respectively connected with bolts at the joints of the embedded I-shaped steel by bolts, and the longitudinal I-shaped steel connecting part is in bolt dry connection with the rear template and then poured with concrete.
4. An assembled concrete frame building shock absorption structure system according to any one of claims 1 to 3, wherein the floor slab of the assembled shock absorption structure slab-girder connection (3) is an integral prefabricated floor slab, the edge of the floor slab is arranged in a concavo-convex staggered manner, and the reserved steel bars extend out of the slab and form post-cast strip steel bars together with the reserved steel bars extending upwards from the prefabricated beam.
5. A fabricated concrete framed building shock absorbing structural system according to any one of claims 1-4, characterized in that the fabricated shock absorbing structural enclosure connections (4) are divided into an outer wall and a beam slab connection and an inner wall and a beam slab connection, which are respectively in the form of an F-shaped steel bolt buckle and an angle steel bolt buckle connection;
when the outer wall is connected with the beam slab, the joint of the wall beam and the prefabricated floor slab is subjected to waterproof treatment, and then the wall beam and the prefabricated floor slab are connected through the F-shaped steel bolt buckle, the three are integrated, and concrete is poured behind the joint of the wall slab.
The inner wall is connected with the beam plate through angle steel bolts, and concrete is poured behind the joint of the inner wall beam plate.
6. The fabricated concrete frame building shock absorption structure system according to any one of claims 1-5, wherein the fabricated shock absorption structure prefabricated fabricated nodes (5) are internally embedded I-shaped steel, connected square steel pipes and connecting steel plates, when in prefabrication, longitudinal bars at the upper and lower parts of the nodes are cut off and welded with the embedded steel plates, then the connected square steel pipes are welded with the embedded I-shaped steel and the connecting steel plates, and the size of each square steel pipe is slightly larger than that of the I-shaped steel.
7. An assembled concrete frame building shock absorption structure system according to any one of claims 1 to 6, wherein the interlayer connection (6) of the assembled shock absorption structure damper is formed by arranging a connection deep beam at the upper and lower beam ends between the layers and fitting a viscous damper in the middle between the layers to connect the dampers.
CN202110517515.9A 2021-05-12 2021-05-12 Assembled concrete frame building shock-absorbing structure system Pending CN113216727A (en)

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Application publication date: 20210806