CN118958748A - An assembled concrete grid composite exterior wall steel-concrete composite structure system - Google Patents
An assembled concrete grid composite exterior wall steel-concrete composite structure system Download PDFInfo
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- CN118958748A CN118958748A CN202411294348.6A CN202411294348A CN118958748A CN 118958748 A CN118958748 A CN 118958748A CN 202411294348 A CN202411294348 A CN 202411294348A CN 118958748 A CN118958748 A CN 118958748A
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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
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/02—Dwelling houses; Buildings for temporary habitation, e.g. summer houses
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- 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
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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- 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
- E04B1/38—Connections for building structures in general
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- 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- 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
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
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- 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
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
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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
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/02—Dwelling houses; Buildings for temporary habitation, e.g. summer houses
- E04H1/04—Apartment houses arranged in two or more levels
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Panels For Use In Building Construction (AREA)
Abstract
The invention discloses an assembled concrete grid composite outer wall steel-concrete combined structure system, which comprises reinforced concrete and a steel structure; the reinforced concrete comprises a cup foundation, an independent foundation, a special-shaped column type wall connecting piece, an assembled concrete grid composite outer wall and a fully assembled floor slab; the steel structure is H-shaped steel beam, floor connecting angle steel, embedded steel plate, high-strength bolt connecting piece, bolt and embedded steel wire rope sleeve. The invention adopts the assembled concrete grid composite outer wall steel-concrete combined structure system, the connection mode of the system is reasonable in stress and simple and convenient to construct, the continuity of stress of vertical components is considered, the system is also based on a low-rise residential structure, the node connection mode convenient for rapid construction is provided, the construction process basically realizes full-dry connection, the construction efficiency is greatly improved, and the construction cost is saved.
Description
Technical Field
The invention belongs to the technical field of building structures, and particularly relates to an assembled concrete grid composite outer wall steel-concrete combined structure system.
Background
In recent years, improving the production and living conditions of farmers and building beautiful villages increasingly becomes a focus of social attention, and more comfortable and safe houses are required to be built to build the beautiful villages. The assembled building has the characteristics of green economy and simple construction, and is suitable for large-scale popularization and application in the village and town residence field.
Most of village and town houses at present have low-rise masonry structures, and most of the village and town houses do not consider the heat preservation performance of the wall body, and have the defects of insufficient design level, serious resource waste, weak disaster resistance and the like. Compared with steel structures, wood structures and other structural forms, the reinforced concrete structure is more easily accepted by rural families, and meanwhile, compared with masonry structures and other forms, the reinforced concrete structure is more environment-friendly and economical. However, the beam column joints in the existing fabricated concrete structure are mostly in post-pouring mode to ensure the safety of complex stress at the joints, so that the construction difficulty is greatly improved, and the rapid construction is not easy. Meanwhile, at present, more common assembled concrete frame structures adopt the frame main body to construct and then build the external filling wall, so that the maintenance cost during construction and use is increased, and the heat insulation performance of the external wall is difficult to ensure.
Disclosure of Invention
The invention aims to provide an assembled concrete grid composite outer wall steel-concrete combined structure system, which has reasonable connection mode stress and simple construction, considers the continuity of stress of vertical members, is based on a low-rise residential structure, provides a node connection mode convenient for quick construction, basically realizes full-dry connection in the construction process, greatly improves the construction efficiency and saves the construction cost.
In order to achieve the aim, the invention provides an assembled concrete grid composite outer wall steel-concrete combined structure system, which comprises reinforced concrete and a steel structure; the reinforced concrete comprises a cup foundation, an independent foundation, a special-shaped column type wall connecting piece, an assembled concrete grid composite outer wall and a fully assembled floor slab; the steel structure is H-shaped steel beam, floor connecting angle steel, embedded steel plate, high-strength bolt connecting piece, bolt and embedded steel wire rope sleeve.
Preferably, the special-shaped column type wall connecting piece comprises an L-shaped connecting piece and a T-shaped connecting piece; the special-shaped column type wall connecting piece is formed by integrally prefabricating a special-shaped column main body and a tongue-and-groove bolt connecting area, and the size of the special-shaped column main body is changed according to the size of a matched assembled concrete grid composite outer wall, so that the special-shaped column main body is consistent in the same structure.
Preferably, bolt holes and nut gasket sinking grooves are prefabricated on the tongue-and-groove bolt connection areas of the assembled concrete grid composite outer wall and the special-shaped column type wall connecting piece, and after staggered joint lap joint, high-strength bolts are connected to form a structure whole; the inner side of the tongue-and-groove offset structure of the special-shaped column type wall connecting piece is provided, and the outer side of the tongue-and-groove offset structure of the assembled concrete grid composite outer wall is provided.
Preferably, when the tongue-and-groove bolt connection area is positioned in the high wall body of the structural layer and is internally provided with a large-size structure hidden beam, a bolt encryption area is arranged, and the bolt interval of the encryption area is half of that of a non-encryption area; the frame structure adopts a common rectangular reinforced concrete column, and is matched with an H-shaped steel beam and an outer ring structure to form an integral frame.
Preferably, the embedded steel plate of the special-shaped column type wall connecting piece is connected with the H-shaped steel beam through a high-strength bolt; according to the different span and stress characteristics, the steel joint is divided into a rigid joint and a hinged joint; anchor bars are preset in the special-shaped column type wall connecting piece, and perforation plug welding is carried out between the anchor bars and the embedded steel plates; the two mutually perpendicular embedded steel plates are connected through welding.
Preferably, the assembled concrete grid composite outer wall is divided into basic forms including only windows, only doors and no doors and windows according to different positions of the wall body.
Preferably, the assembled concrete grid composite outer wall comprises a reinforced concrete grid frame consisting of hidden beams and hidden columns; and the grid of the reinforced concrete grid is internally embedded with a light heat-insulating material.
Preferably, the fully assembled floor slab is connected with the assembled concrete grid composite outer wall by adopting a steel wire rope sleeve; the elevation of the fully assembled floor slab is provided with floor slab connecting angle steel preset by anchor bars, and the anchor bars and the floor slab connecting angle steel are preset in the wall body of the assembled concrete grid composite outer wall;
and through hole plug welding is performed between the anchor bars and the floor connection angle steel, steel wire rope sleeves are embedded in the corresponding positions of the fully assembled floor and the assembled concrete grid composite outer wall, the fully assembled floor and the floor connection angle steel are connected through welding studs or through long connection bars, leveling is performed through gaskets, rough surfaces are formed at the joint positions of the wall boards, and C35 non-shrinkage fine stone concrete or high-strength grouting material is poured after installation is completed.
Preferably, the positions of the pre-buried steel wire rope loops are adopted between the floors of the fully assembled floor, and the fully assembled floor is divided into three conditions of pure floor connection, floor connection at the H-shaped steel beam position and floor connection during left-right staggered floor of the steel beam according to the difference of application positions.
Preferably, the structural system adopts a foundation form that a structural outer frame integral cup opening foundation is matched with a structural inner rectangular independent foundation, and special-shaped column type wall connecting pieces and an assembled concrete grid composite outer wall are inserted into a cup opening;
the section of the cup mouth part is preferably arranged into an inverted trapezoid with a narrow lower surface and a wide upper surface, a 50 cm leveling layer is reserved between the bottom of the cup mouth and an upper component, the upper component is inserted into the basic range of the cup mouth to manufacture a rough surface, and a gap between the cup mouth and the component waits for the installation and positioning of the wall body to be completed and then is filled with C35 fine stone concrete.
The assembled concrete grid composite outer wall steel-concrete combined structure system has the beneficial effects that:
(1) The reinforced concrete grid composite outer wall provided by the invention has the advantages that the reinforced concrete grid structure, the reinforced concrete hidden beams and the heat preservation filling material are contained in the wall, so that the structural heat preservation integration of the wall is realized, the structural safety is ensured, and meanwhile, the physical properties such as structural heat preservation and the like are enhanced;
(2) The invention reserves a tongue-and-groove between walls, is connected with a rectangular reinforced concrete column through a reinforced concrete wall connecting member by high-strength bolts, is connected with H-shaped steel beams in the structure by bolts through embedded steel plates, is connected with the prefabricated floor slabs by embedded steel wire rope sleeves, and is connected with the H-shaped steel beams and the reinforced concrete grid composite outer wall by the embedded steel wire rope sleeves, thereby realizing the dry connection of nodes in the connection mode, being suitable for low-rise residential structures, reducing on-site wet operation and improving construction efficiency;
(3) The tongue-and-groove in the invention adopts a staggered joint mode, so that the through long joint gap between the assembly type components can be avoided, and the heat preservation and water prevention effects of the structure are improved. Moreover, the reinforced concrete grid composite outer wall ensures the heat insulation and fire resistance of the structure and lightens the dead weight of the structure through the built-in light heat insulation material, meanwhile, the number of components can be greatly reduced through the integral prefabrication of two layers of walls, the standardization degree of the wall components is improved, and the popularization and the application of the structure are facilitated;
(4) The components in the structural system can be prefabricated in factories, and are transported to a construction site for quick installation during construction, so that the construction period is effectively shortened;
(5) The reinforced concrete grid composite outer wall can be used as a structural bearing member to meet structural safety, and the built-in heat insulation material can reduce dead weight and improve heat insulation performance of the wall body, so that structural heat insulation integration is realized, and a novel assembly type structural system suitable for low-rise village and town residences is further provided.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic view of a reinforced concrete grid composite exterior wall (only containing windows) of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention; wherein, (a) is a front view and (b) is a rear view;
FIG. 2 is a schematic view of a reinforced concrete grid composite exterior wall (only containing windows) of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention; wherein, (a) is a front three-dimensional structure diagram, and (b) is a back three-dimensional structure diagram;
FIG. 3 is a top view of a reinforced concrete grid composite exterior wall (only containing windows) of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention;
FIG. 4 is a schematic view of a reinforced concrete grid composite exterior wall (only containing doors) of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention; wherein, (a) is a front view and (b) is a rear view;
FIG. 5 is a schematic view of a reinforced concrete grid composite exterior wall (only containing doors) of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention; wherein, (a) is a front three-dimensional structure diagram, and (b) is a back three-dimensional structure diagram;
FIG. 6 is a top view of a reinforced concrete grid composite exterior wall (door only) of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention;
FIG. 7 is a schematic view of a reinforced concrete grid composite exterior wall (without doors and windows) of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention; wherein, (a) is a front view and (b) is a rear view;
FIG. 8 is a schematic view of a reinforced concrete grid composite exterior wall (without doors and windows) of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention; wherein, (a) is a front three-dimensional structure diagram, and (b) is a back three-dimensional structure diagram;
FIG. 9 is a top view of a reinforced concrete grid composite exterior wall (without doors and windows) of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention;
FIG. 10 is a schematic view of an L-shaped special-shaped column wall connector of an embodiment of an assembled concrete grid composite exterior wall steel-concrete composite structural system of the present invention; wherein, (a) is a front view, (b) is a front three-dimensional structure diagram, and (c) is a back three-dimensional structure diagram;
FIG. 11 is a top view of an L-shaped special-shaped column wall connector of an embodiment of an assembled concrete grid composite exterior wall steel-concrete composite structural system of the present invention;
FIG. 12 is a schematic view of a T-shaped special-shaped column wall connector of an embodiment of an assembled concrete grid composite exterior wall steel-concrete composite structural system of the present invention; wherein, (a) is a front view, (b) is a front three-dimensional structure diagram, and (c) is a back three-dimensional structure diagram;
FIG. 13 is a top view of an exemplary T-shaped profiled pole wall connector for an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention;
FIG. 14 is a schematic structural view of a fully assembled reinforced concrete floor slab of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention; wherein, (a) is an avoidance-free floor slab, and (b) is an avoidance special-shaped column floor slab;
FIG. 15 is a schematic view of a cup foundation structure of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention;
FIG. 16 is a top view of a cup foundation of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention;
FIG. 17 is a schematic diagram of an independent foundation structure of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention;
FIG. 18 is a top view of the individual foundations of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention;
FIG. 19 is a schematic view of tongue-and-groove bolt connections between exterior walls and wall connection members of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention;
FIG. 20 is a schematic view of the construction of a rigid joint of an H-shaped steel beam and a wall connecting member in an embodiment of an assembled concrete grid composite exterior wall steel-concrete composite structural system; wherein, (a) is a front view of the rigid joint point and (b) is a side view of the rigid joint point;
FIG. 21 is a schematic view of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention with an H-beam and wall connecting member hinged joint construction; wherein, (a) is a front view of the hinge joint and (b) is a side view of the hinge joint;
FIG. 22 is a schematic view of a connection node structure between a fully assembled floor slab and a grid wall in an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention;
FIG. 23 is a schematic view of a connection node construction between fully assembled floor slabs of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention;
FIG. 24 is a schematic view of a fully assembled floor slab and H-beam connection node configuration of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention;
FIG. 25 is a schematic view of a joint construction of an H-shaped steel beam when there is a height difference on two sides of a fully assembled floor slab in an embodiment of an assembled concrete grid composite outer wall steel-concrete composite structural system of the invention;
FIG. 26 is an exploded view of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system;
FIG. 27 is a schematic view of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention;
FIG. 28 is a two-layer exploded view of an embodiment of an assembled concrete grid composite exterior wall reinforced concrete composite structural system;
Fig. 29 is a schematic diagram of two-layer assembly of an assembled concrete grid composite exterior wall reinforced concrete composite structural system according to an embodiment of the assembled concrete grid composite exterior wall reinforced concrete composite structural system of the present invention.
Reference numerals
1. A thermal insulation material; 2. connecting angle steel of the floor slab; 3. a tongue-and-groove bolt connection region; 4. a high strength bolt connection; 5. a bolt encryption area; 6. embedding a steel plate; 7. anchor bars; 8. a peg; 9. a high-strength bolt; 10. h-shaped steel beams; 11. special-shaped column type wall connecting pieces; 12. assembling type concrete grid composite outer walls; 13. full-assembled floor slab; 14. embedding a steel wire rope sleeve; 15. and connecting ribs are formed in a through length mode.
Detailed Description
The technical scheme of the invention is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.
As shown in fig. 26-29, the steel-concrete combined structure system of the assembled concrete grid composite outer wall 12 comprises reinforced concrete and a steel structure. The reinforced concrete comprises a cup foundation, an independent foundation, special-shaped column type wall connectors 11, an assembled concrete grid composite outer wall 12 and a fully assembled floor 13. The steel structure comprises an H-shaped steel beam 10, floor connecting angle steel 2, an embedded steel plate 6, a high-strength bolt connecting piece 4, a peg 8 and an embedded steel wire rope sleeve 14.
The special-shaped column type wall connector 11 comprises an L-shaped connector and a T-shaped connector. As shown in fig. 10 and 12, the special-shaped column wall connector 11 is integrally prefabricated by a special-shaped column main body part and a tongue-and-groove bolt connection area 3, and the size of the special-shaped column main body part is changed according to the size of the matched assembled concrete grid composite outer wall 12, so that the special-shaped column wall connector is consistent in the same structure, and is convenient for prefabrication in a standardized factory, and meanwhile, when the structure is applied to a two-layer structure, the special-shaped column wall connector 11 and the assembled concrete grid composite outer wall 12 can be integrally prefabricated by two layers.
The assembled concrete grid composite outer wall 12 and the rabbet bolt connection area 3 of the special-shaped column type wall connector 11 are respectively provided with a prefabricated bolt hole and a nut gasket sinking groove, and after staggered joint lap joint, the two are connected by a high-strength bolt 9 to form a structural whole. The inner side of the tongue-and-groove offset structure of the special-shaped column type wall connecting piece 11 is provided, and the outer side of the tongue-and-groove offset structure of the assembled concrete grid composite outer wall 12 is provided, so that the assembled wall body is ensured to be buckled to the connecting piece from the outer side to the inner side, and the construction connection is facilitated.
When the tongue-and-groove bolt connection area 3 is positioned in a high wall body of a structural layer and is internally provided with a large-size structural hidden beam, a bolt encryption area 5 is arranged, and as shown in fig. 19, the bolt spacing of the encryption area is half of that of the non-encryption area. The frame structure adopts a common rectangular reinforced concrete column, and is matched with the H-shaped steel beam 10 and the outer ring structure to form an integral frame.
The structural system adopts the basic form that: the structural outer frame is an integral cup rim foundation matched with an internal rectangular independent foundation of the structure, as shown in fig. 15-18, the special-shaped column type wall connecting piece 11 and the assembled concrete grid composite outer wall 12 are inserted into the cup rim, so that the continuity of vertical force transmission of the structure is ensured, the uneven settlement of the structure is prevented, and the integrity of the structure is enhanced. The section of the cup mouth part is preferably set to be an inverted trapezoid with a narrow lower surface and a wide upper surface, a 50 cm leveling layer is reserved between the bottom of the cup mouth and an upper component, construction errors of prefabricated components are convenient to process, a rough surface is manufactured within the foundation range of the cup mouth without inserting the components, and gaps between the cup mouth and the components can be filled with C35 fine stone concrete after the wall body is installed and positioned, so that the integrity and durability of the structure are guaranteed.
The embedded steel plate 6 of the special-shaped column type wall connecting piece 11 is connected with the H-shaped steel beam 10 through the high-strength bolts 9. According to the different span and stress characteristics, the device is divided into a rigid joint node and a hinged joint node. As shown in fig. 20 and 21, the anchor bars 7 are preset in the special-shaped column type wall connecting piece 11, and the holes between the anchor bars 7 and the embedded steel plates 6 are subjected to plug welding. The two mutually perpendicular embedded steel plates 6 are connected by welding.
As shown in fig. 1,4 and 7, the assembled concrete grid composite outer wall 12 is divided into basic forms including only windows, only doors and no doors and windows according to different positions of the wall body, other similar standardized components can be added according to the requirements of the building, and the whole structure is formed by splicing different standardized components.
The assembled concrete grid composite outer wall 12 contains a reinforced concrete grid frame consisting of hidden beams and hidden columns. The light heat-insulating material 1 is embedded in the grid of the reinforced concrete grid.
As shown in fig. 22, the fully assembled floor 13 is connected with the assembled concrete grid composite outer wall 12 by adopting a steel wire rope sleeve. The elevation of the fully assembled floor 13 is provided with floor connecting angle steel 2 preset by anchor bars 7, the anchor bars 7 and the floor connecting angle steel 2 are preset in the wall body of the assembled concrete grid composite outer wall 12, and the fully assembled floor is formed by integral prefabrication in a factory.
And through hole plug welding is performed between the anchor bar 7 and the floor connecting angle steel 2, steel wire rope sleeves 14 are embedded in the positions corresponding to the fully assembled floor 13 and the assembled concrete grid composite outer wall 12, the fully assembled floor 13 and the floor connecting angle steel 2 are connected through welding studs 8 or through long connecting ribs 15, a gasket is used for leveling, a rough surface is formed at the joint position of the wallboard, C35 shrinkage-free fine stone concrete or high-strength grouting material is poured after installation is completed, and the structural integrity is enhanced while gaps are filled.
The positions of the pre-buried steel wire rope loops 14 are adopted between the floors of the fully assembled floor 13, and the fully assembled floor is divided into three conditions of pure floor connection, floor connection at the position of the H-shaped steel beam 10 and floor connection when the steel beams are staggered left and right according to the different application positions, as shown in fig. 23-25, and the fully assembled floor is mainly characterized in that bolts 8 or angle steel are added and welded at the upper flange or web of the steel beam to serve as steel wire rope loop stress points.
All components are prefabricated in a factory, and are connected in an all-dry mode through the mode after being transported to a construction site, so that the construction efficiency is greatly improved while the structural safety is ensured, and the novel assembly type structural system is suitable for low-rise village and town residences.
Examples
As shown in fig. 27-29, application illustrations of the fabricated concrete grid composite exterior wall 12 reinforced concrete composite structural system of the present invention in a one-storey and two-storey village and town residence are shown respectively.
The house types adopted in the embodiment are four spans, and if other spans are needed, only the standardized components are required to be correspondingly increased or reduced. The structural system adopts a foundation form of a structural outer frame integral cup rim foundation matched with an internal rectangular independent foundation of the structure, a special-shaped column type wall connecting piece 11 and an assembled concrete grid composite outer wall 12 are inserted into the cup rim first and then and connected through a tongue-and-groove high-strength bolt 9, and after the wall is installed and positioned, a gap is filled with C35 fine stone concrete. Between special-shaped column type wall connecting piece 11 and the H shaped steel girder 10, through the pre-buried steel sheet 6 of wall connecting piece and H shaped steel girder 10 through the bolt 9 that excels in, carry out the gasket to H shaped steel girder 10 before connecting and make level.
After the H-shaped steel beam 10 is installed, the fully assembled floor 13 is connected with the assembled concrete grid composite outer wall 12 by adopting steel wire rope sleeves, C35 non-shrinkage fine stone concrete or high-strength grouting material is poured after the installation is completed, and the structural integrity is enhanced while the gap is filled.
If an H-beam 10 is encountered, the floor is connected to the welding studs 8 by wire rope loops. The foundation, the special-shaped column type wall connecting piece 11, the assembled concrete grid composite outer wall 12 and the fully assembled floor 13 are sequentially installed to form a structural whole, and the assembly process of two layers is similar to that of one layer.
Therefore, the invention adopts the assembled concrete grid composite outer wall steel-concrete combined structure system, the connection mode of the system is reasonable in stress and simple and convenient to construct, the continuity of stress of vertical components is considered, the system is based on a low-rise residential structure, the node connection mode convenient for rapid construction is provided, the construction process basically realizes full-dry connection, the construction efficiency is greatly improved, and the construction cost is saved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting it, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the invention can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the invention.
Claims (10)
1. The utility model provides an assembled concrete grid composite exterior wall steel-concrete composite structure system which characterized in that: comprises a reinforced concrete and steel structure; the reinforced concrete comprises a cup foundation, an independent foundation, a special-shaped column type wall connecting piece, an assembled concrete grid composite outer wall and a fully assembled floor slab; the steel structure is H-shaped steel beam, floor connecting angle steel, embedded steel plate, high-strength bolt connecting piece, bolt and embedded steel wire rope sleeve.
2. The fabricated concrete grid composite exterior wall steel-concrete composite structural system of claim 1, wherein: the special-shaped column type wall connecting piece comprises an L-shaped connecting piece and a T-shaped connecting piece; the special-shaped column type wall connecting piece is formed by integrally prefabricating a special-shaped column main body and a tongue-and-groove bolt connecting area, and the size of the special-shaped column main body is changed according to the size of a matched assembled concrete grid composite outer wall, so that the special-shaped column main body is consistent in the same structure.
3. The fabricated concrete grid composite exterior wall reinforced concrete composite structural system of claim 2, wherein: the method comprises the steps that bolt holes and nut gasket sinking grooves are prefabricated on tongue-and-groove bolt connection areas of an assembled concrete grid composite outer wall and a special-shaped column type wall connector, and after staggered joint lap joint, high-strength bolts are connected to form a structure whole; the inner side of the tongue-and-groove offset structure of the special-shaped column type wall connecting piece is provided, and the outer side of the tongue-and-groove offset structure of the assembled concrete grid composite outer wall is provided.
4. A fabricated concrete grid composite exterior wall reinforced concrete composite structural system according to claim 3, wherein: when the tongue-and-groove bolt connection area is positioned in the high wall body of the structural layer and is internally provided with a large-size structure hidden beam, a bolt encryption area is arranged, and the bolt interval of the encryption area is half of that of the non-encryption area; the frame structure adopts a common rectangular reinforced concrete column, and is matched with an H-shaped steel beam and an outer ring structure to form an integral frame.
5. A fabricated concrete grid composite exterior wall reinforced concrete composite structural system according to claim 3, wherein: the embedded steel plate of the special-shaped column type wall connecting piece is connected with the H-shaped steel beam through a high-strength bolt; according to the different span and stress characteristics, the steel joint is divided into a rigid joint and a hinged joint; anchor bars are preset in the special-shaped column type wall connecting piece, and perforation plug welding is carried out between the anchor bars and the embedded steel plates; the two mutually perpendicular embedded steel plates are connected through welding.
6. The fabricated concrete grid composite exterior wall steel-concrete composite structural system of claim 1, wherein: the assembled concrete grid composite outer wall is divided into basic forms including only windows, only doors and no doors according to different positions of the wall body.
7. The fabricated concrete grid composite exterior wall reinforced concrete composite structural system of claim 6, wherein: the assembled concrete grid composite outer wall comprises a reinforced concrete grid frame formed by hidden beams and hidden columns; and the grid of the reinforced concrete grid is internally embedded with a light heat-insulating material.
8. The fabricated concrete grid composite exterior wall reinforced concrete composite structural system of claim 7, wherein: the fully assembled floor slab is connected with the assembled concrete grid composite outer wall by adopting a steel wire rope sleeve; the elevation of the fully assembled floor slab is provided with floor slab connecting angle steel preset by anchor bars, and the anchor bars and the floor slab connecting angle steel are preset in the wall body of the assembled concrete grid composite outer wall;
and through hole plug welding is performed between the anchor bars and the floor connection angle steel, steel wire rope sleeves are embedded in the corresponding positions of the fully assembled floor and the assembled concrete grid composite outer wall, the fully assembled floor and the floor connection angle steel are connected through welding studs or through long connection bars, leveling is performed through gaskets, rough surfaces are formed at the joint positions of the wall boards, and C35 non-shrinkage fine stone concrete or high-strength grouting material is poured after installation is completed.
9. The fabricated concrete grid composite exterior wall reinforced concrete composite structural system of claim 8, wherein: the floor boards of the fully assembled floor boards are divided into three conditions of pure floor board connection, floor board connection at the H-shaped steel beam position and floor board connection in the process of left and right staggered floor of the steel beams according to the difference of application positions by adopting the pre-buried steel wire rope sleeve positions.
10. The fabricated concrete grid composite exterior wall steel-concrete composite structural system of claim 1, wherein: the structural system adopts a foundation form that a structural outer frame integral cup opening foundation is matched with a structural inner rectangular independent foundation, and special-shaped column type wall connecting pieces and an assembled concrete grid composite outer wall are inserted into a cup opening;
the section of the cup mouth part is preferably arranged into an inverted trapezoid with a narrow lower surface and a wide upper surface, a 50 cm leveling layer is reserved between the bottom of the cup mouth and an upper component, the upper component is inserted into the basic range of the cup mouth to manufacture a rough surface, and a gap between the cup mouth and the component waits for the installation and positioning of the wall body to be completed and then is filled with C35 fine stone concrete.
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Cited By (1)
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