CN113530013A - Horizontal joint connecting structure of assembled composite wallboard and construction method thereof - Google Patents
Horizontal joint connecting structure of assembled composite wallboard and construction method thereof Download PDFInfo
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- CN113530013A CN113530013A CN202110976462.7A CN202110976462A CN113530013A CN 113530013 A CN113530013 A CN 113530013A CN 202110976462 A CN202110976462 A CN 202110976462A CN 113530013 A CN113530013 A CN 113530013A
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- 239000002131 composite material Substances 0.000 title claims abstract description 106
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 238000003466 welding Methods 0.000 claims description 11
- 238000005253 cladding Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
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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
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
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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
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B2001/6195—Connections for building structures in general of slab-shaped building elements with each other the slabs being connected at an angle, e.g. forming a corner
Abstract
The invention provides a horizontal joint connecting structure of an assembled composite wallboard and a construction method thereof, wherein the joint connecting structure is arranged between the composite wallboard and a composite floor slab; the joint connecting structure comprises an upper connecting piece, a lower connecting piece and a connecting bolt; the upper connecting piece comprises an upper flange plate and two middle upper rib plates; the upper flange plate is horizontally arranged at the bottom of the composite wall body, and the upper end of the upper rib plate in the middle is fixedly connected with the bottom surface of the upper flange plate; the lower connecting piece comprises a lower flange plate and two middle lower rib plates, and the lower flange plate is horizontally arranged on the top surface of the laminated floor slab; the lower end of the middle lower rib plate is fixedly connected with the top surface of the lower flange plate; the lower end of the middle upper rib plate is fixedly connected with the upper end of the middle lower rib plate through a connecting bolt; according to the invention, the upper and lower connecting pieces are combined by adopting flange plates and middle rib plates, and the middle rib plates of the connecting pieces are fixed by connecting bolts, so that the horizontal abutted seam connection of the composite wallboard and the composite floor slab is realized; has good bearing capacity and energy consumption capability and excellent comprehensive seismic performance.
Description
Technical Field
The invention belongs to the technical field of assembly type structures, and particularly relates to an assembly type composite wallboard horizontal joint connecting structure and a construction method thereof.
Background
With the development of economy and the improvement of building industrialization, the construction period of the traditional building structure is long, and the current pace of accelerating the construction in urbanization cannot be met. The method has the advantages of integration of standardized design, industrial production, assembly construction and intelligent management, greenness, energy conservation, excellent quality and the like, and the concept of the industrial assembly type building is produced and is rapidly and widely applied.
At present, the problem of horizontal and vertical joints caused by the splitting of prefabricated components generally exists in the assembled concrete shear wall serving as a main stressed component in a structure, and the rapid development of an assembled building structure is restricted. The stress between the upper and lower layers of stress components needs to be effectively transmitted through the connecting components, so that the coordinated deformation of all the components is ensured, and the effect of maintaining the anti-seismic performance of the whole structure is achieved.
Particularly, for a medium-low-rise residential structure adopting a fully-assembled shear wall structure, a mode of pouring concrete in situ is still needed at the splicing position of the members, and because the splicing position of the members is small in size and large in length, the compactness of newly poured concrete is to be determined; meanwhile, the cohesiveness of the new concrete and the old concrete on the contact surface needs to be determined; in addition, the maintenance period of the concrete is longer, and the construction period of the fabricated concrete structure is not obviously shortened compared with that of a cast-in-place concrete structure; when the surrounding site of the building is narrow, the prefabricated parts still face large resistance to the on-site placement and hoisting, and certain influence is exerted on the environment.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a horizontal joint connecting structure of an assembly type composite wallboard and a construction method thereof, and aims to solve the technical problems that in the existing assembly type shear wall structure, upper and lower layer stressed members are mostly cast in situ by adopting a concrete mode, the connecting performance is poor, and the construction efficiency is low.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a horizontal joint connecting structure of an assembled composite wallboard, which is arranged between the composite wallboard and a composite floor slab; the joint connecting structure comprises an upper connecting piece, a lower connecting piece and a connecting bolt; the upper end of the upper connecting piece is fixed with the bottom of the composite wallboard, the lower end of the upper connecting piece is connected with the upper end of the lower connecting piece through a connecting bolt, and the lower end of the lower connecting piece is fixed with the upper part of the composite floor slab;
the upper connecting piece comprises an upper flange plate and two middle upper rib plates; the upper flange plate is horizontally arranged at the bottom of the composite wall body, the two middle upper rib plates are vertically arranged in parallel, and the upper ends of the middle upper rib plates are fixedly connected with the bottom surface of the upper flange plate; the lower connecting piece comprises a lower flange plate and two middle lower rib plates, and the lower flange plate is horizontally arranged on the top surface of the laminated floor slab; the two middle lower rib plates are vertically arranged in parallel, and the lower ends of the middle lower rib plates are fixedly connected with the top surfaces of the lower flange plates; the lower end of the middle upper ribbed plate is fixedly connected with the upper end of the middle lower ribbed plate through a connecting bolt.
Furthermore, the two middle lower rib plates are both positioned between the two middle upper rib plates; one of the middle upper rib plates is arranged to be attached to one of the middle lower rib plates, and the other middle upper rib plate is arranged to be attached to the other middle lower rib plate; the middle upper rib plate and the middle lower rib plate are closely attached to each other and are fixedly connected together through a connecting bolt.
Furthermore, the upper connecting piece and the lower connecting piece are all arranged in a full-length mode along the plane extending direction of the composite wallboard.
Furthermore, the joint connecting structure also comprises a plurality of upper shear-resistant studs and a plurality of lower shear-resistant studs; a plurality of upper shear-resistant studs are vertically and evenly arranged above the upper flange plate, the upper ends of the upper shear-resistant studs extend into the bottom of the composite wallboard, and the lower ends of the upper shear-resistant studs are welded and fixed with the upper flange plate.
Furthermore, the joint connecting structure also comprises a plurality of lower shear-resistant studs; a plurality of lower shear-resistant studs are vertically and uniformly arranged below the lower flange plate, the lower ends of the lower shear-resistant studs extend into the laminated floor slab, and the lower ends of the lower shear-resistant studs are welded and fixed with the lower flange plate.
Further, the composite wall board comprises a rib lattice structure, building blocks and a concrete outer cladding; building blocks are filled in the rib lattice structure, and a concrete outer cladding layer is wrapped on the outer side of the rib lattice structure;
the rib lattice structure comprises two side rib columns, a plurality of middle rib columns, an upper side rib beam, a lower side rib beam and a plurality of middle rib beams; the two side rib columns are vertically arranged in parallel, and the plurality of middle rib columns are vertically arranged between the two side rib columns at intervals; the upper edge rib beam is horizontally and fixedly arranged at the top ends of the side rib columns and the middle rib columns, the lower edge rib beam is horizontally and fixedly arranged at the bottom ends of the side rib columns and the middle rib columns, and the plurality of middle rib beams are horizontally arranged between the upper edge rib beam and the lower edge rib beam at intervals.
Furthermore, the upper flange plate is fixedly arranged at the bottom of the lower rib beam, and longitudinal ribs in the side rib columns and the middle rib columns extend downwards and are welded and fixed with the upper surface of the upper flange plate; the longitudinal bars in the side rib columns and the middle rib columns of the next layer of composite wallboard extend downwards, penetrate through the laminated floor slab and are welded and fixed with the lower surface of the lower flange plate.
Furthermore, the upper flange plate and the middle upper rib plate are fixed by welding, and the lower flange plate and the middle lower rib plate are fixed by welding.
Further, the upper connecting member or the lower connecting member is symmetrical with respect to a central axis in a thickness direction of the composite wall panel.
The invention provides a construction method of a horizontal joint connecting structure of an assembled composite wallboard, which comprises the following steps:
Processing and manufacturing an upper connecting piece, a lower connecting piece and a connecting bolt as required;
Installing an upper connecting piece and a lower connecting piece, binding the composite wallboard and the composite floor slab reinforcing steel bars, erecting a mold, pouring concrete, and removing the mold to obtain the composite wallboard and the composite floor slab;
Determining the hoisting position and hoisting mode of the wallboard, setting a temporary support, and connecting the upper prefabricated wallboard and the lower prefabricated wallboard; and hoisting the composite wall boards to corresponding positions, and after the horizontal connection of the two composite wall boards meets the requirements and the positions are adjusted to be correct, fixedly connecting the middle upper rib plate and the middle lower rib plate together by using the connecting bolt, namely realizing the connection construction of the horizontal joint node of the assembled composite wall.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a horizontal joint connecting structure of an assembled composite wallboard and a construction method thereof, wherein an upper connecting piece and a lower connecting piece are arranged between the composite wallboard and a composite floor slab, the upper connecting piece and the lower connecting piece are combined by flange plates and middle rib plates, and the middle rib plates of the upper connecting piece and the lower connecting piece are fixed by connecting bolts, so that the horizontal joint connection of the composite wallboard and the composite floor slab is realized; the box-type plate structure formed by the flange plates and the middle rib plates forms a stronger node area, so that the bearing performance is better, the bearing capacity and the energy consumption capacity are good, and the comprehensive seismic performance is superior; the invention adopts dry connection, has convenient construction, high construction efficiency and connection precision and is easy to repair after an earthquake.
Furthermore, the upper connecting piece and the lower connecting piece are arranged in a through manner along the plane extending direction of the composite wallboard, so that the stress is uniform, the force transmission is clear, the reliability is high, the integral rigidity is effectively enhanced, the connection integrity between the upper composite wallboard and the lower composite wallboard is good, and a good bearing effect can be achieved.
Furthermore, the middle upper rib plate and the middle lower rib plate are arranged in a closely superposed manner, so that the connection strength and the rigidity of the seam connecting piece are effectively improved.
Furthermore, the upper connecting piece and the lower connecting piece are arranged in a whole length along the plane extending direction of the composite wallboard, the integrity of a horizontal joint structure is ensured, and the stability and the reliability of connection between the composite wallboard and the laminated floor slab are improved.
Furthermore, the shear-resistant studs are arranged on the upper connecting piece and the lower connecting piece, so that on the basis of ensuring reliable connection, enough shear-resistant capacity is provided for the horizontal joint, and the splicing shear damage of the connecting pieces is avoided.
Furthermore, the longitudinal ribs of the upper and lower layers of composite wallboards are respectively welded and fixed with the flange plates of the upper and lower connecting pieces, the integrity of the structure is improved, and the stability and the reliability are better.
Furthermore, the upper connecting piece or the lower connecting piece is symmetrical about the central axis of the composite wall board in the thickness direction, the stress is uniform, the connection is reliable, and the bearing capacity is high.
Drawings
FIG. 1 is a schematic view of an assembly structure of a horizontal joint connection structure of a wall panel according to the present invention;
FIG. 2 is a schematic view of the overall structure of the horizontal joint connection structure of the wall panel according to the present invention;
FIG. 3 is an exploded view of the horizontal joint connection of wall panels according to the present invention;
fig. 4 is a schematic view of the connection structure of the horizontal joint connection structure of the wall panel and the composite floor slab according to the present invention.
The composite wallboard comprises 1 composite wallboard, 2 joint connecting structures, 3 composite floor slabs, 4 upper shear-resistant studs, 5 lower shear-resistant studs, 6 bolt rods and 7 nuts; 11 rib lattice structure, 12 building blocks and 13 longitudinal ribs; 21 upper flange plate, 22 lower flange plate, 23 middle upper rib, 24 middle lower rib, 25 first bolt hole, 26 second bolt hole.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more apparent, the following embodiments further describe the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in the attached drawings 1-4, the invention provides a horizontal joint connecting structure of an assembly type composite wallboard, wherein a joint connecting structure 2 is arranged between a composite wallboard 1 and a composite floor slab 3; the joint connecting structure 2 comprises an upper connecting piece, a lower connecting piece, a connecting bolt, a plurality of upper shear-resistant studs 4 and a plurality of lower shear-resistant studs 5; the upper end of the upper connecting piece is fixed with the bottom of the composite wallboard 1, the lower end of the upper connecting piece is connected with the upper end of the lower connecting piece through a connecting bolt, and the lower end of the lower connecting piece is fixed with the upper part of the composite floor slab 3.
The upper shear-resistant studs 4 are vertically and uniformly arranged above the upper connecting piece, the upper ends of the upper shear-resistant studs 4 extend into the bottom of the composite wallboard 1, and the lower ends of the upper shear-resistant studs are welded and fixed with the upper connecting piece; a plurality of lower shear-resistant studs 5 are vertically and uniformly arranged below the lower connecting piece, the lower ends of the lower shear-resistant studs 5 extend into the laminated floor slab 3, and the lower ends are fixedly welded with the upper end of the lower connecting piece
The upper connecting piece comprises an upper flange plate 21 and two middle upper rib plates 23; the upper flange plate 21 is horizontally arranged at the bottom of the composite wall body 1, the two middle upper rib plates 23 are vertically arranged in parallel, and the upper ends of the middle upper rib plates 23 are fixedly connected with the bottom surface of the upper flange plate 21.
The lower connecting piece comprises a lower flange plate 22 and two middle lower rib plates 24, and the lower flange plate 22 is horizontally arranged on the top surface of the laminated floor slab 3; the two middle lower rib plates 24 are vertically arranged in parallel, and the lower ends of the middle lower rib plates 24 are fixedly connected with the top surfaces of the lower flange plates 22; the lower end of the middle upper ribbed plate 23 is fixedly connected with the upper end of the middle lower ribbed plate 24 through a connecting bolt.
In the present invention, both of the two middle lower ribs 24 are located between the two middle upper ribs 23; one of the middle upper rib plates is arranged to be attached to one of the middle lower rib plates, and the other middle upper rib plate is arranged to be attached to the other middle lower rib plate; the middle upper rib plate and the middle lower rib plate are closely arranged and fixedly connected together through a connecting bolt; a plurality of first bolt holes 25 are horizontally arranged on the middle upper rib plate 23 at intervals, and a plurality of first bolt holes 26 are positioned on the same horizontal line; a plurality of second bolt holes 26 are horizontally arranged on the middle lower rib plate 24 at intervals, the second bolt holes 26 are located on the same horizontal line, and the first bolt holes 25 and the second bolt holes 26 are arranged in a one-to-one correspondence mode.
The connecting bolt comprises a bolt rod 6 and a nut 7, one side of the bolt rod 6 penetrates through a first bolt hole 25 and a second bolt hole 26, the nut 7 is fixedly sleeved at the end part of the bolt rod 6, and the middle upper rib plate 23 and the middle lower rib plate 24 are fixedly connected together by utilizing the matching of the bolt rod 6 and the nut 7, so that the upper connecting piece and the lower connecting piece are fixedly connected, and the composite wallboard is further fixedly connected with the laminated floor slab; preferably, the connecting bolt is a high-strength bolt.
In the invention, a plurality of upper shear-resistant studs 4 are vertically and uniformly arranged above an upper flange plate 21, the upper ends of the upper shear-resistant studs 4 extend into the bottom of the composite wallboard 1, and the lower ends of the upper shear-resistant studs are welded and fixed with the upper flange plate 21; the lower shear-resistant studs 5 are vertically and uniformly arranged below the lower flange plate 22, the lower ends of the lower shear-resistant studs 5 extend into the laminated floor slab 3, and the lower ends are welded and fixed with the lower flange plate 21.
The composite wall board 1 comprises a rib structure 11, building blocks 12 and a concrete outer cladding; building blocks 12 are filled in the rib lattice structure 11, and a concrete outer cladding is wrapped on the outer side of the rib lattice structure; the rib lattice structure 11 comprises two side rib columns, a plurality of middle rib columns, an upper side rib beam, a lower side rib beam and a plurality of middle rib beams; the two side rib columns are vertically arranged in parallel, and the plurality of middle rib columns are vertically arranged between the two side rib columns at intervals; the upper edge rib beam is horizontally and fixedly arranged at the top ends of the side rib columns and the middle rib columns, the lower edge rib beam is horizontally and fixedly arranged at the bottom ends of the side rib columns and the middle rib columns, and the plurality of middle rib beams are horizontally arranged between the upper edge rib beam and the lower edge rib beam at intervals.
The upper flange plate 21 is fixedly arranged at the bottom of the lower rib beam, and the longitudinal ribs 13 in the rib columns and the middle rib columns extend downwards and are welded and fixed with the upper surface of the upper flange plate 21; the longitudinal bars 13 in the side rib columns and the middle rib columns of the next layer of composite wallboard extend downwards, penetrate through the laminated floor slab 3 and are welded and fixed with the lower surface of the lower flange plate 22.
In the invention, the upper flange plate 21 and the middle upper rib plate 23 are fixed by welding, and the lower flange plate 22 and the middle lower rib plate 24 are fixed by welding; preferably, an integrated forming structure is adopted between the upper flange plate 21 and the middle upper rib plate 23 in the upper connecting piece, and an integrated forming structure is adopted between the lower flange plate 22 and the middle lower rib plate 24 in the lower connecting piece; the upper connecting piece and the lower connecting piece are both arranged along the plane extension direction of the composite wallboard in a full-length mode; the upper connecting piece or the lower connecting piece is respectively symmetrical about a central axis in the thickness direction of the composite wall board.
The invention relates to a construction method of a horizontal joint connecting structure of an assembly type composite wallboard, which comprises the following steps:
Prefabricating an upper flange plate, a lower flange plate, a middle upper rib plate and a middle lower rib plate, and then welding to form an upper connecting piece and a lower connecting piece as required; welding an upper shear-resistant stud on an upper flange plate of the upper connecting piece, and welding a lower shear-resistant stud on a lower flange plate of the lower connecting piece; and preparing corresponding bolt rods and nuts.
Placing and connecting, placing building blocks immediately, placing the processed rib columns and rib beam steel bars into a template, placing upper and lower connecting pieces welded with the shear studs at preset positions of the composite wallboard, welding the rib beam longitudinal bars with the flange plates, pouring C30 fine stone concrete after the confirmation of no error, then leveling and plastering, performing standard maintenance after the prefabrication is finished, and removing the template when the strength meets the requirement to form a standard prefabricated composite wallboard; when the strength of the wallboard concrete reaches 75% of the design value, the hoisting connection can be carried out.
Determining the hoisting position and hoisting mode of the wallboard, setting a temporary support, and connecting the upper prefabricated wallboard and the lower prefabricated wallboard; hoisting the composite wall boards to corresponding positions, fixing the two composite wall boards by using nuts after the two composite wall boards are horizontally connected to meet the requirements and the positions of the two composite wall boards are adjusted to be correct, and enabling the bolts to reach the designed pre-tightening force by using the construction method of initial screwing, re-screwing and final screwing on the bolt rods; thereby forming a shear wall node connection mode consisting of the bolt steel plates.
The horizontal joint connecting structure of the assembly type composite wallboard and the construction method thereof are suitable for dry-type connection of horizontal joints of prefabricated assembly type concrete composite wallboard structures; the assembled composite wallboard structure mainly comprises a prefabricated composite wallboard and a composite floor slab, wherein the composite wallboard and the composite floor slab are connected into a whole through a seam connecting structure; the structure is mainly used for middle and low-rise assembled residential buildings.
According to the invention, the upper connecting piece and the lower connecting piece are both arranged along the plane extension direction of the composite wallboard, so that the stress is uniform, the force transmission is clear, the reliability is high, the overall strength of the connecting structure is effectively improved, the integrity of the horizontal seam connecting part is good, and a good bearing effect can be achieved; the bottom of the composite wallboard and the top longitudinal bar of the composite floor slab are respectively welded on the upper connecting piece and the lower connecting piece, the lower welded steel bar penetrates through the composite floor slab and extends into the lower layer of composite wallboard, and finally the upper part and the lower part are connected into a whole by utilizing the bolt to penetrate through the screw holes of the upper connecting piece and the lower connecting piece.
The horizontal joint connecting structure of the assembled composite wallboard is in dry connection, has the advantages of high accuracy, convenience and rapidness in construction, avoidance of on-site formwork support at a connecting part, environmental friendliness, energy conservation, easiness in repairing damage, reliability in connection, definite force transmission and the like compared with a traditional wet connection mode, and accords with the development trend of building industrialization; in the invention, the box-type bolt connecting piece is used, and the connecting piece is processed and formed in a factory, can be directly used for pre-buried installation, and is convenient and quick; the ribbed plates of the box-shaped steel are overlapped together, so that the rigidity of the connecting piece is increased; the connecting pieces are symmetrical about the central axis in the thickness direction of the wall body, and have uniform stress, reliable connection and high bearing capacity; the welding studs on the flange plates provide enough shearing resistance for the horizontal seams on the basis of ensuring reliable connection, and have strong application and popularization values; the adopted seam splicing treatment mode is simple to operate and good in compactness.
According to the horizontal joint connecting structure of the assembled composite wallboard, the flange plates and the middle rib plates are combined to form a structural form of a box-type steel plate, strong shafts are arranged in the horizontal plane direction, the middle rib plates are vertically arranged in parallel, a strong node area is formed, the stress performance is better, the bearing capacity and the energy consumption capacity are good, and the comprehensive anti-seismic performance is superior; structural design is reasonable, and construction convenience is swift, and the connection performance is good can be applied to the prefabricated concrete structure well and connect the field, realizes green, and mechanized construction accords with the development trend of building industrialization.
The above-described embodiment is only one of the embodiments that can implement the technical solution of the present invention, and the scope of the present invention is not limited by the embodiment, but includes any variations, substitutions and other embodiments that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed.
Claims (10)
1. The horizontal joint connecting structure of the assembled composite wallboard is characterized in that the joint connecting structure (2) is arranged between the composite wallboard (1) and a laminated floor slab (3); the joint connecting structure (2) comprises an upper connecting piece, a lower connecting piece and a connecting bolt; the upper end of the upper connecting piece is fixed with the bottom of the composite wallboard (1), the lower end of the upper connecting piece is connected with the upper end of the lower connecting piece through a connecting bolt, and the lower end of the lower connecting piece is fixed with the upper part of the composite floor slab (3);
wherein, the upper connecting piece comprises an upper flange plate (21) and two middle upper rib plates (23); the upper flange plate (21) is horizontally arranged at the bottom of the composite wall body (1), the two middle upper rib plates (23) are vertically arranged in parallel, and the upper ends of the middle upper rib plates (23) are fixedly connected with the bottom surface of the upper flange plate (21); the lower connecting piece comprises a lower flange plate (22) and two middle lower rib plates (24), and the lower flange plate (22) is horizontally arranged on the top surface of the laminated floor slab (3); the two middle lower rib plates (24) are vertically arranged in parallel, and the lower ends of the middle lower rib plates (24) are fixedly connected with the top surfaces of the lower flange plates (22); the lower end of the middle upper ribbed plate (23) is fixedly connected with the upper end of the middle lower ribbed plate (24) through a connecting bolt.
2. An assembled composite wall panel horizontal joint connection according to claim 1, characterised in that two middle lower ribs (24) are located between two middle upper ribs (23); one of the middle upper rib plates is arranged to be attached to one of the middle lower rib plates, and the other middle upper rib plate is arranged to be attached to the other middle lower rib plate; the middle upper rib plate and the middle lower rib plate are closely attached to each other and are fixedly connected together through a connecting bolt.
3. The horizontal joint connecting structure of assembled composite wall panels according to claim 1, wherein the upper connecting member and the lower connecting member are arranged along the entire length of the plane extending direction of the composite wall panels.
4. The horizontal joint connecting structure of assembled composite wall panel according to claim 1, wherein the joint connecting structure (2) further comprises a plurality of upper shear studs (4) and a plurality of lower shear studs (5); a plurality of upper shear-resistant studs (4) are vertically and uniformly arranged above the upper flange plate (21), the upper ends of the upper shear-resistant studs (4) extend into the bottom of the composite wallboard (1), and the lower ends of the upper shear-resistant studs are welded and fixed with the upper flange plate (21).
5. A horizontal joint connection structure of fabricated composite wall panel according to claim 1, wherein the joint connection structure (2) further comprises a plurality of lower shear studs (5); a plurality of lower shear-resistant studs (5) are vertically and uniformly arranged below the lower flange plate (22), the lower ends of the lower shear-resistant studs (5) extend into the laminated floor slab (3), and the lower ends are welded and fixed with the lower flange plate (21).
6. The horizontal joint connection structure of assembled composite wall panel according to claim 1, wherein the composite wall panel (1) comprises a rib structure (11), a block (12) and a concrete outer cladding; building blocks (12) are filled in the rib lattice structure (11), and a concrete outer cladding is wrapped on the outer side of the rib lattice structure;
the rib lattice structure (11) comprises two side rib columns, a plurality of middle rib columns, an upper side rib beam, a lower side rib beam and a plurality of middle rib beams; the two side rib columns are vertically arranged in parallel, and the plurality of middle rib columns are vertically arranged between the two side rib columns at intervals; the upper edge rib beam is horizontally and fixedly arranged at the top ends of the side rib columns and the middle rib columns, the lower edge rib beam is horizontally and fixedly arranged at the bottom ends of the side rib columns and the middle rib columns, and the plurality of middle rib beams are horizontally arranged between the upper edge rib beam and the lower edge rib beam at intervals.
7. The horizontal joint connecting structure of an assembled composite wall panel according to claim 6, wherein the upper flange plate (21) is fixedly arranged at the bottom of the lower rib beam, and the longitudinal ribs (13) in the rib columns and the middle rib column extend downwards and are welded and fixed with the upper surface of the upper flange plate (21); the longitudinal bars (13) in the side rib columns and the middle rib columns of the next layer of composite wallboard extend downwards, penetrate through the laminated floor slab (3) and are welded and fixed with the lower surface of the lower flange plate (22).
8. The horizontal joint connecting structure of an assembled composite wall panel according to claim 1, wherein the upper flange plate (21) and the middle upper rib plate (23) are fixed by welding, and the lower flange plate (22) and the middle lower rib plate (24) are fixed by welding.
9. The horizontal joint connecting structure of an assembled composite wall panel according to claim 1, wherein the upper connecting member or the lower connecting member is symmetrical with respect to a central axis in a thickness direction of the composite wall panel, respectively.
10. A method of constructing a horizontal joint connecting structure of prefabricated composite wall panels as claimed in any one of claims 1 to 9, comprising the steps of:
step 1, manufacturing a connecting piece
Processing and manufacturing an upper connecting piece, a lower connecting piece and a connecting bolt as required;
step 2, prefabricating the wallboard
Installing an upper connecting piece and a lower connecting piece, binding the composite wallboard and the composite floor slab reinforcing steel bars, erecting a mold, pouring concrete, and removing the mold to obtain the composite wallboard and the composite floor slab;
step 3, hoisting construction
Determining the hoisting position and hoisting mode of the wallboard, setting a temporary support, and connecting the upper prefabricated wallboard and the lower prefabricated wallboard; and hoisting the composite wall boards to corresponding positions, and after the horizontal connection of the two composite wall boards meets the requirements and the positions are adjusted to be correct, fixedly connecting the middle upper rib plate and the middle lower rib plate together by using the connecting bolt, namely realizing the connection construction of the horizontal joint node of the assembled composite wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687474A (en) * | 2022-04-18 | 2022-07-01 | 上海应用技术大学 | Box-type steel connecting structure and method for assembled concrete shear wall |
| CN115627868A (en) * | 2022-12-22 | 2023-01-20 | 中冶建筑研究总院有限公司 | Full precast concrete floor connection structure and building thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687474A (en) * | 2022-04-18 | 2022-07-01 | 上海应用技术大学 | Box-type steel connecting structure and method for assembled concrete shear wall |
| CN115627868A (en) * | 2022-12-22 | 2023-01-20 | 中冶建筑研究总院有限公司 | Full precast concrete floor connection structure and building thereof |
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