CN114753647A - Integrally prefabricated coupled superposed shear wall and manufacturing method thereof - Google Patents
Integrally prefabricated coupled superposed shear wall and manufacturing method thereof Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 157
- 239000010959 steel Substances 0.000 claims abstract description 157
- 230000002787 reinforcement Effects 0.000 claims abstract description 50
- 230000008878 coupling Effects 0.000 claims abstract description 19
- 238000010168 coupling process Methods 0.000 claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 claims abstract description 19
- 239000002131 composite material Substances 0.000 claims description 13
- 238000009415 formwork Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000012792 core layer Substances 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/122—Machines for joining reinforcing bars
- E04G21/123—Wire twisting tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing 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
- 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
- E04B1/62—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
- E04B1/80—Heat insulating elements slab-shaped
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/04—Mats
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/246—Safety or protective measures preventing damage to building parts or finishing work during construction specially adapted for curing concrete in situ, e.g. by covering it with protective sheets
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Abstract
The invention provides an integrally prefabricated coupled superposed shear wall and a manufacturing method thereof, wherein the integrally prefabricated coupled superposed shear wall comprises the following steps: binding a transverse stressed steel bar of the connecting beam with steel bar trusses arranged within the length range of the connecting beam to form a steel bar framework, wherein every two adjacent steel bar trusses in the connecting beam are arranged in a staggered mode in the forward direction and the reverse direction; binding and assembling the integral shear wall limb steel reinforcement framework; binding the longitudinal and transverse distributed steel bars of the superposed shear wall to form stressed steel bar meshes of the inner and outer leaf prefabricated wall boards, and connecting the stressed steel bar meshes of the inner and outer leaf prefabricated wall boards by using a steel bar truss to form a steel bar framework of the superposed shear wall; effectively connecting the superposed coupling beam steel reinforcement framework and the superposed shear wall steel reinforcement framework to form an integral steel reinforcement framework; and after the binding of the integral steel reinforcement framework is finished, placing the steel reinforcement framework on a concrete pouring mould platform to pour concrete to form an inner leaf and outer leaf superposed wallboard, and maintaining, wherein the integral prefabricated coupled superposed shear wall is obtained after the maintenance is finished. The manufacturing process is simple, and the prepared shear wall has good stress performance and does not need to be provided with stirrups.
Description
Technical Field
The invention belongs to the technical field of constructional engineering structures, and particularly relates to an integrally prefabricated coupled superposed shear wall and a manufacturing method thereof.
Background
The assembled integral type superposed shear wall structure system serves as one of the most common assembled type high-rise building structure systems, not only can the environment protection of five sections be well realized, and the national energy conservation and emission reduction and green development targets are met, but also compared with a fully assembled type solid shear wall structure, the assembled integral type superposed shear wall structure system has the advantages of light self weight of components, higher road transportation efficiency, stronger structural integrity, good abutted seam waterproof effect and the like. However, the connecting beam in the existing assembled integral type superposed shear wall structure is mostly manufactured in a cast-in-place mode, and the existence and binding of the stirrups in the connecting beam also cause great differences in the manufacturing of the connecting beam and the wall limb of the assembled coupled shear wall, so that the existing prefabricated coupled shear wall panel is complicated in manufacturing process and low in production automation degree. Therefore, the development of a construction method and a preparation technology of the integrally prefabricated coupled shear wall with simple process and excellent mechanical properties is urgently needed.
Disclosure of Invention
The invention aims to provide the manufacturing method of the integrally prefabricated coupled superposed shear wall aiming at the defects in the prior art, the manufacturing method is simple in manufacturing process and high in automation degree, and the manufactured integrally prefabricated coupled superposed shear wall is good in stress performance and does not need to be provided with stirrups.
In order to solve the technical problems, the invention adopts the following technical scheme:
a manufacturing method of an integrally prefabricated coupled superposed shear wall comprises the following steps:
and 2, step: binding and assembling the integral shear wall limb steel reinforcement framework; binding longitudinal and transverse stressed steel bars of the superposed shear wall to form stressed steel bar meshes of the inner and outer leaf prefabricated wall boards, and connecting the stressed steel bar meshes of the inner and outer leaf prefabricated wall boards by using a steel bar truss to form a steel bar framework of the superposed shear wall;
and 3, step 3: effectively connecting the superposed connecting beam steel reinforcement framework and the superposed shear wall steel reinforcement framework to form an integral steel reinforcement framework;
and 4, step 4: and after the binding of the integral steel reinforcement framework is finished, placing the steel reinforcement framework on a concrete pouring mold table to pour concrete to form the inner and outer leaf superposed wallboard, and after the concrete curing of the inner and outer leaf prefabricated wallboard is finished, obtaining the prefabricated superposed shear wall.
Furthermore, the steel bar truss comprises an upper chord steel bar, two lower chord steel bars and diagonal web member steel bars, the diagonal web member steel bars connect the upper chord steel bar and the lower chord steel bar in pairs to form the steel bar truss with a triangular section, the upper chord steel bars in the two adjacent steel bar trusses are arranged in a staggered manner in the forward and reverse directions, and the lower chord steel bars in the two adjacent steel bar trusses are also arranged in a staggered manner in the forward and reverse directions.
Further, in the step 1, the transverse stressed steel bars of the connecting beam are respectively arranged on the inner sides of the upper chord bars and the lower chord bars of the steel bar truss.
Furthermore, the connecting beam transverse stress steel bars extending into the superposed shear wall are respectively arranged on the outer side of the upper chord bar and the outer side of the lower chord bar of the steel bar truss.
Further, when the double-faced superposed shear wall is prefabricated, the integral steel reinforcement framework is placed on a concrete pouring mould platform after being bound, concrete of the prefabricated outer leaf superposed wall board is poured firstly, the prefabricated inner leaf superposed wall board is poured by turning over the outer leaf prefabricated wall board after the outer leaf prefabricated wall board reaches certain strength, concrete of the inner leaf superposed wall board is poured on the mould platform, the poured semi-finished outer leaf prefabricated plate component is turned over, the steel mesh of the inner leaf superposed wall board is pressed into the concrete of the inner leaf superposed wall board on the mould platform, and the integral prefabricated double-faced superposed shear wall with the double-faced superposed connecting beam is formed after the concrete curing of the inner leaf prefabricated wall board and the outer leaf prefabricated wall board is finished.
Further, when the single-sided superposed shear wall is prefabricated, the integral stressed reinforcement cage is bound and then placed on a concrete pouring formwork table, prefabricated inner leaf superposed wallboard concrete is poured, the single-sided superposed shear wall FRP heat-preservation connecting piece is inserted into the integral stressed reinforcement cage according to requirements before the inner leaf superposed wallboard concrete is initially set, the prefabricated outer leaf superposed wallboard is poured by turning over the plate after the inner leaf prefabricated wallboard reaches a certain strength, a reinforcement mesh sheet of the outer leaf wallboard is placed on the formwork table, then the outer leaf wallboard concrete is poured, the heat-preservation plate is laid after the concrete pouring of the outer leaf wallboard is finished, then the semi-finished member of the poured outer leaf prefabricated wallboard is turned over, and the FRP heat-insulating connecting piece inserted into the inner leaf superposed wallboard passes through the heat-insulating plate and is pressed into the outer leaf wallboard concrete on the die table, and forming the integrally prefabricated single-side superposed shear wall with the single-side superposed connecting beams after the concrete curing of the inner and outer prefabricated wall panels is finished.
Another object of the present invention is to provide a prefabricated coupled superposed shear wall prepared according to the construction method of the integral prefabricated coupled superposed shear wall.
Compared with the prior art, the invention has the beneficial effects that:
1) the invention utilizes the self structural characteristics of the assembled integral type superposed shear wall structure, changes the reinforcement configuration form of the traditional superposed connecting beam, replaces stirrups which are not beneficial to the automatic production of the component, simplifies the production process of the superposed connecting beam, utilizes the upper chord ribs and the lower chord ribs of the steel bar truss connected with the inner leaf wall plate and the outer leaf wall plate in the superposed shear wall structure to replace the stirrups to resist the shearing action on the connecting beam, can ensure that the superposed connecting beam meets the stress requirement of the structure under the condition of not configuring the stirrups, reduces the manufacturing difficulty of the component, improves the automatic production efficiency of the component, and also improves the economic benefit;
2) the invention changes the mode of arranging the steel bar trusses in the same direction in the traditional superposed shear wall, arranges the adjacent steel bar trusses in the forward and reverse directions at the connecting beam, optimizes the arrangement form of the steel bar trusses in the connecting beam, ensures that the arrangement of the steel bar trusses can meet the requirement of standardizing the minimum distance of the shear steel bars, effectively resists the shearing action of the connecting beam, enriches the content of a superposed shear wall structure system, and is beneficial to the further popularization of the assembled superposed shear wall structure system.
Drawings
FIG. 1 is a schematic structural diagram of an integrally prefabricated coupled composite shear wall according to an embodiment of the invention;
FIG. 2 is a sectional view taken along line A-A of the integrally fabricated double-sided articulated shear wall of FIG. 1 (example 1);
FIG. 3 is a sectional view taken along line B-B of the integrally prefabricated double-faced articulated composite shear wall (example 1) of FIG. 1;
FIG. 4 is a sectional view taken along line A-A of the integrally prefabricated single-faced articulated composite shear wall of FIG. 1 (example 2);
fig. 5 is a sectional view of the integrally fabricated single-sided articulated composite shear wall of fig. 1 (example 2) taken along the line B-B.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention.
Example 1
As shown in fig. 1-3, the integral prefabricated coupled superposed shear wall provided by the invention comprises a prefabricated superposed shear wall 1, a prefabricated superposed coupling beam 2, transverse stressed steel bars 3 of the superposed coupling beam, a steel bar truss 4 and post-cast core layer concrete 5, wherein the prefabricated superposed shear wall 1 comprises a prefabricated superposed shear wall inner leaf plate 6 and a prefabricated superposed shear wall outer leaf plate 7, the inner leaf prefabricated wall plate and the outer leaf prefabricated wall plate are provided with the stressed steel bars, the prefabricated superposed coupling beam 2 is provided with the transverse stressed steel bars 3 of the superposed coupling beam and the steel bar truss 4, the steel bar truss 4 is connected with the inner leaf prefabricated wall plate and the outer leaf prefabricated wall plate, the steel bar truss of the steel bar truss 4 comprises an upper chord steel bar 9, two lower chord steel bars 10 and diagonal web members 11, the diagonal web members 11 connect the upper chord steel bar 9 and the lower chord steel bar 10 two by two to form the steel bar truss with a triangular section, the upper chord steel bar 9 in the two adjacent steel bar trusses are arranged at opposite positions, the arrangement positions of the lower chord bars 10 in the two adjacent steel bar trusses are opposite. The superposed coupling beam transverse stress steel bars 3 are arranged on the inner sides of the upper chord steel bars and the lower chord steel bars of the steel bar trusses 4, every two adjacent steel bar trusses 4 in the superposed coupling beam need to be arranged in a positive and negative staggered mode, the superposed coupling beam transverse stress steel bars 3 extend into the superposed shear wall 1 from the superposed coupling beam, the anchoring length needs to meet the requirements of relevant specifications, and the upper chord steel bars 9 and the lower chord steel bars 10 of the steel bar trusses 4 in the superposed coupling beam need to meet the requirements of shearing resistance of the superposed coupling beam and the requirements of the relevant specifications.
The manufacturing process of the integrally prefabricated double-sided coupled superposed shear wall in the embodiment comprises the following steps:
firstly, selecting steel bars and concrete with corresponding strength according to design requirements by a prefabricating and processing factory; then, binding and manufacturing a steel bar framework according to the selected steel bars; binding a connecting beam steel reinforcement framework, binding a connecting beam transverse stress steel reinforcement 3 and a steel reinforcement truss 4 arranged in the length range of the connecting beam to form the steel reinforcement framework, wherein the connecting beam transverse stress steel reinforcement 3 is respectively arranged at the inner sides of an upper chord rib 9 and a lower chord rib 10 of the steel reinforcement truss 4, and every two adjacent steel reinforcement trusses 4 in the overlapped connecting beam need to be arranged in a staggered manner in the forward and reverse directions;
secondly, binding and assembling the integral shear wall limb steel reinforcement framework; binding the longitudinal distributed steel bars 8 and the transverse distributed steel bars of the superposed shear wall to form a stressed steel bar mesh sheet of the inner and outer leaf prefabricated wall panels, and connecting the stressed steel bar mesh sheets of the inner and outer leaf prefabricated wall panels by using a steel bar truss 4 to form a reinforcement framework of the superposed shear wall, wherein the transverse distributed steel bars of the superposed shear wall and the transverse stressed steel bars 3 of the superposed connecting beams extending to the superposed shear wall are respectively arranged at the outer sides of an upper chord rib 9 and a lower chord rib 10 of the steel bar truss 4;
the third step: effectively connecting the superposed coupling beam steel reinforcement framework and the superposed shear wall steel reinforcement framework to form an integral steel reinforcement framework, wherein the superposed coupling beam transverse stress steel reinforcement 3 is arranged outside the superposed shear wall longitudinal distribution 8 steel reinforcement;
the fourth step: manufacturing an assembled integral type opening double-faced coupled superposed shear wall, placing a steel reinforcement framework on a concrete pouring mould platform after the integral steel reinforcement framework is bound, pouring concrete of a prefabricated outer leaf superposed wall plate 7, turning over the prefabricated outer leaf superposed wall plate to pour a prefabricated inner leaf superposed wall plate 6 after the prefabricated outer leaf wall plate reaches a certain strength, pouring concrete of the inner leaf superposed wall plate 6 on the mould platform, turning over a semi-finished component with the poured outer leaf prefabricated plate for 180 degrees, pressing a steel mesh sheet of the inner leaf superposed wall plate 6 into the concrete of the inner leaf superposed wall plate on the mould platform, and forming the integral prefabricated opening double-faced coupled superposed shear wall with a novel double-faced superposed coupling beam after the concrete curing of the inner leaf and outer leaf prefabricated wall plates is finished;
the fifth step: and (3) transporting the manufactured prefabricated double-sided superposed shear wall structure to a construction site, and pouring core layer concrete after assembly to form the integral prefabricated double-sided superposed shear wall structure with the novel superposed coupling beam.
Example 2
Different from the embodiment 1, the embodiment 2 is an integrally prefabricated coupled single-sided superposed shear wall structure, and as shown in fig. 4 and 5, the integrally prefabricated coupled single-sided superposed shear wall is manufactured by the following steps:
firstly, selecting steel bars and concrete with corresponding strength according to design requirements by a prefabrication processing factory; then, binding and manufacturing a steel bar framework according to the selected steel bars; binding a connecting beam stressed steel bar framework, binding a connecting beam transverse stressed steel bar 3 and a steel bar truss 4 arranged in the length range of the connecting beam to form the stressed steel bar framework, wherein the connecting beam transverse stressed steel bar 3 is respectively arranged on the inner sides of an upper chord rib 9 and a lower chord rib 10 of the steel bar truss 4, the steel bar truss 4 in the single-side superposed connecting beam needs to be arranged in a staggered mode in the forward and reverse directions, and binding a steel bar net piece of a single-side superposed connecting beam outer leaf plate structure;
secondly, binding and assembling the integral single-sided shear wall limb steel reinforcement framework; binding the reinforcing steel bars 8 distributed longitudinally and the reinforcing steel bars distributed transversely on the single-sided superposed shear wall to form a stress reinforcing steel bar mesh sheet of the shear wall, and connecting the stress reinforcing steel bar mesh sheet by using a steel bar truss 4 to form a stress reinforcing steel bar framework of the single-sided superposed shear wall, wherein the transverse stress reinforcing steel bars of the single-sided superposed shear wall are arranged outside an upper chord rib 9 and a lower chord rib 10 of the steel bar truss 4, and binding outer leaf plates of the single-sided superposed shear wall to form the reinforcing steel bar mesh sheet;
the third step: effectively connecting the single-sided superposed connecting beam stressed reinforcement cage with the single-sided superposed shear wall stressed reinforcement cage to form an integral stressed reinforcement cage, wherein the single-sided superposed connecting beam transverse stressed reinforcement 3 is arranged outside the single-sided superposed shear wall longitudinal stressed reinforcement, and connecting the single-sided superposed shear wall and the single-sided superposed connecting beam prefabricated outer leaf plate structure reinforcement meshes into a whole;
the fourth step: manufacturing and assembling an integral type opening single-side superposed shear wall; after the binding of the integral stressed steel bar framework is finished, the steel bar framework is placed on a concrete pouring mould platform, the concrete of the prefabricated inner leaf superposed wall board 6 is poured, before the concrete of the prefabricated inner leaf superposed wall board 6 is initially set, the single-face superposed shear wall FRP heat-insulating connecting piece 12 is inserted according to requirements, after the prefabricated inner leaf wall board reaches a certain strength, the prefabricated outer leaf superposed wall board 7 is poured by turning over the plate, the constructional steel bar net piece of the outer leaf wall board 7 is placed on the mould platform, the concrete of the outer leaf wall board is poured, after the concrete pouring of the outer leaf wall board is finished, the heat-insulating plate 13 is laid, then the semi-finished component of the poured outer leaf prefabricated board is turned over by 180 degrees, and the FRP heat-insulation connecting piece 12 inserted on the inner leaf overlapped wallboard 6 passes through the heat-insulation board 13 and is pressed into the concrete of the outer leaf wallboard on the die table, after concrete curing of the inner leaf prefabricated wall panel and the outer leaf prefabricated wall panel is finished, the integrally prefabricated opening coupled single-sided superposed shear wall with the novel single-sided superposed connecting beam is formed;
the fifth step: and (3) transporting the manufactured integral prefabricated single-sided superposed shear wall to a construction site, and pouring core layer concrete after assembly to form a prefabricated coupled single-sided superposed shear wall structure with the novel single-sided superposed coupling beam.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. A manufacturing method of an integrally prefabricated coupled superposed shear wall is characterized by comprising the following steps:
step 1, binding a connecting beam steel reinforcement framework; binding a transverse stressed steel bar of the connecting beam with steel bar trusses arranged within the length range of the connecting beam to form a steel bar framework, wherein every two adjacent steel bar trusses in the connecting beam are arranged in a staggered mode in the forward direction and the reverse direction;
step 2: binding and assembling the integral superposed shear wall limb reinforcement cage; binding the longitudinal and transverse distributed steel bars of the superposed shear wall to form stressed steel bar meshes of the inner and outer leaf prefabricated wall boards, and connecting the stressed steel bar meshes of the inner and outer leaf prefabricated wall boards by using a steel bar truss to form a steel bar framework of the superposed shear wall;
and step 3: effectively connecting the superposed coupling beam steel reinforcement framework and the superposed shear wall steel reinforcement framework to form an integral steel reinforcement framework;
and 4, step 4: and after the binding of the integral steel reinforcement framework is finished, placing the steel reinforcement framework on a concrete pouring mould platform to pour concrete to form an inner leaf and outer leaf superposed wallboard, and after the concrete curing of the inner leaf and outer leaf prefabricated wallboard is finished, obtaining the integral prefabricated coupled superposed shear wall.
2. The method for manufacturing the integrally prefabricated coupled superposed shear wall according to claim 1, wherein the steel bar truss comprises an upper chord steel bar, two lower chord steel bars and diagonal web members, the diagonal web members connect the upper chord steel bar and the lower chord steel bar in pairs to form the steel bar truss with a triangular cross section, the upper chord steel bars in the two adjacent steel bar trusses are arranged in a staggered manner in the forward and reverse directions, and the lower chord steel bars in the two adjacent steel bar trusses are also arranged in a staggered manner in the forward and reverse directions.
3. The method for manufacturing the integrally prefabricated coupled-limb superposed shear wall according to claim 2, wherein in the step 1, the transversely stressed steel bars of the superposed coupling beams are respectively arranged on the inner sides of the upper chord bars and the lower chord bars of the steel bar truss.
4. The method for manufacturing the integrally prefabricated coupled superposed shear wall according to claim 2, wherein when the coupling beam transverse stress steel bars extend to the superposed shear wall, the transverse stress steel bars are respectively arranged on the outer sides of the upper chord bars and the lower chord bars of the steel bar truss.
5. The method of manufacturing an integrally prefabricated coupled-limb superposed shear wall according to claim 1, wherein when the double-faced superposed shear wall is prefabricated, the integral reinforcement cage is placed on a concrete pouring formwork after being bound, the concrete of the prefabricated outer-leaf superposed wall panel is poured firstly, the prefabricated inner-leaf superposed wall panel is poured by turning the outer-leaf prefabricated wall panel over after the outer-leaf prefabricated wall panel reaches a certain strength, the concrete of the inner-leaf superposed wall panel is poured on the formwork, the semi-finished member of the poured outer-leaf prefabricated panel is turned over and the steel mesh of the inner-leaf superposed wall panel is pressed into the concrete of the inner-leaf superposed wall panel on the formwork, and the integrally prefabricated coupled-limb double-faced superposed shear wall with the double-faced superposed connecting beams is formed after the concrete of the inner-leaf prefabricated wall panel is cured.
6. The method of manufacturing an integrally prefabricated coupled composite shear wall according to claim 1, wherein when the single-sided composite shear wall is prefabricated, the integrally stressed steel reinforcement framework is bound and then placed on a concrete pouring formwork, the prefabricated inner leaf composite wallboard concrete is poured, the single-sided composite shear wall FRP thermal insulation connecting piece is inserted as required before the inner leaf composite wallboard concrete is initially set, the prefabricated outer leaf composite wallboard is poured by turning over the prefabricated inner leaf composite wallboard after the inner leaf composite wallboard reaches a certain strength, the steel mesh of the outer leaf wallboard is placed on the formwork, the outer leaf wallboard concrete is poured, the thermal insulation board is laid after the concrete pouring of the outer leaf wallboard is finished, the poured semi-finished outer leaf prefabricated wallboard component is turned over, the FRP thermal insulation connecting piece inserted on the inner leaf composite wallboard passes through the thermal insulation board and is pressed into the outer leaf wallboard concrete on the formwork, and forming the integrally prefabricated single-side superposed shear wall with the single-side superposed connecting beams after the concrete curing of the inner and outer prefabricated wall panels is finished.
7. A shear wall prepared by the method for manufacturing an integrally prefabricated coupled superposed shear wall according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210458687.8A CN114753647A (en) | 2022-04-27 | 2022-04-27 | Integrally prefabricated coupled superposed shear wall and manufacturing method thereof |
Applications Claiming Priority (1)
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| CN115126120A (en) * | 2022-07-20 | 2022-09-30 | 长沙理工大学 | Assembled double-layer X-shaped steel plate supporting superposed shear wall |
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