CN116480044B - Form removal-free steel bar truss single steel plate-concrete combined shear wall - Google Patents
Form removal-free steel bar truss single steel plate-concrete combined shear wall Download PDFInfo
- Publication number
- CN116480044B CN116480044B CN202310754530.4A CN202310754530A CN116480044B CN 116480044 B CN116480044 B CN 116480044B CN 202310754530 A CN202310754530 A CN 202310754530A CN 116480044 B CN116480044 B CN 116480044B
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- steel
- steel bar
- steel plate
- shear wall
- concrete
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 202
- 239000010959 steel Substances 0.000 title claims abstract description 202
- 239000004567 concrete Substances 0.000 title claims abstract description 49
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 28
- 230000002787 reinforcement Effects 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 8
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 3
- 239000000378 calcium silicate Substances 0.000 claims description 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 239000011094 fiberboard Substances 0.000 claims description 3
- 239000011376 self-consolidating concrete Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 5
- 238000012946 outsourcing Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 2
- 238000005034 decoration Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 9
- 238000009826 distribution Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 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
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
- E04B2/60—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal characterised by special cross-section of the elongated members
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Panels For Use In Building Construction (AREA)
Abstract
The application provides a form removal-free steel bar truss single steel plate-concrete combined shear wall, which comprises: the steel plate, the section steel end column, the outsourcing concrete, the steel bar truss, the cushion block, the screw, the tie bar, the bidirectional steel bar net piece, the disassembly-free template and the T-shaped steel beam; the steel plate is fixedly connected with the steel section end posts at the left end and the right end, the steel plate and the steel section end posts are respectively fixedly arranged on two sides of the steel section end posts, the bidirectional steel bar meshes encircle the steel plate, the steel section end posts and the periphery of the steel bar trusses, the inner sides of the bidirectional steel bar meshes are fixed with the steel bar trusses, the cushion blocks are clamped on the bidirectional steel bar meshes, the disassembly-free template is fixed with the cushion blocks through screws, and concrete is poured in a gap in a cube surrounded by the disassembly-free template. The shear wall disclosed by the application has a simple structure, can obviously improve the rigidity, the anti-seismic bearing capacity and the ductility of the single steel plate-concrete combined shear wall, and the disassembly-free template can be used as a decoration base material, so that the shear wall has good fireproof and anti-corrosion capabilities.
Description
Technical Field
The application relates to the technical field of steel structure building members and structures, in particular to a formwork stripping-free steel bar truss single steel plate-concrete combined shear wall.
Background
The steel plate-concrete combined shear wall combines the advantages of the concrete shear wall and the steel plate shear wall, has the advantages of light weight, high strength, good shock resistance, environmental protection, excellent fireproof and anticorrosion performance and the like, and is widely applied to high-rise building structures.
The traditional steel plate-concrete combined shear wall is mainly characterized by comprising an outer-wrapping double-steel plate-concrete combined shear wall and a single-steel plate-concrete combined shear wall. The outer-cladding double-steel-plate-concrete combined shear wall has the defects of complex connecting nodes, high steel content, poor heat insulation performance, high cost of fireproof and anticorrosion measures, easy out-of-plane bulging of the outer-side steel plates during concrete pouring and the like; in addition, in order to increase the drawknot between the steel plate and the concrete and prevent the whole or partial buckling of the steel plate, a large number of opposite-pull connecting pieces are required to be arranged, and the processing and construction cost is high. And the shear-resistant stud arranged on the traditional single steel plate-concrete combined shear wall has weak drawknot performance between the steel plate and the concrete, and in addition, the stud can easily crush the concrete locally in the stress process of the test piece, so that the concrete is peeled off, and the ductility of the shear wall is reduced.
In view of the above problems, it is necessary to invent a novel composite shear wall, which can not only improve the external rigidity, anti-seismic bearing capacity, ductility, fireproof and anti-corrosion performance of the steel plate surface, but also realize industrial production and reduce processing cost and construction cost.
Disclosure of Invention
The embodiment of the application provides a single steel plate-concrete combined shear wall of a form removal-free steel bar truss, which aims to reduce the structural complexity, improve the earthquake resistance, fireproof and corrosion resistance of the structure and reduce the cost.
In order to solve the technical problems, the technical scheme provided by the application is as follows:
a form removal-free steel bar truss single steel plate-concrete composite shear wall, comprising: steel plates, section steel end posts, concrete, steel bar trusses, cushion blocks, screws, bidirectional steel bar meshes, dismounting-free templates and T-shaped steel beams;
the steel plate is fixedly connected with the steel bar end posts at the left end and the right end, the steel plate and the inner side and the outer side of the steel bar end posts are respectively fixedly provided with the steel bar trusses, the bidirectional steel bar meshes are continuously arranged around the steel plate, the steel bar end posts and the steel bar trusses, the inner sides of the bidirectional steel bar meshes are fixed with the steel bar trusses, the cushion blocks are clamped on the bidirectional steel bar meshes, the disassembly-free template is fixed with the cushion blocks through screws, and the concrete is poured in the gaps in the disassembly-free template; and the steel bar truss, the steel plate, the section steel end column and the upper and lower ends are respectively welded with the flanges of the T-shaped steel beam.
Further, the steel plate is further provided with tie bars, the tie bars are arranged perpendicular to the wall surface, penetrate through the steel plate at the inner side close to the section steel end column, and tie the two-way steel bar meshes at two sides with each other.
Further, the bidirectional reinforcement mesh and the reinforcement truss are connected by binding or welding.
Further, the steel bar trusses are vertically arranged, horizontally arranged or obliquely arranged.
Further, the spacer needs to clamp at least horizontal or vertical steel bars in the bidirectional steel bar mesh.
Further, the tamper-evident form is a cement fiberboard or a calcium silicate board.
Further, the shear wall forms a straight, L-shaped or T-shaped planar arrangement.
Further, the cushion blocks are uniformly arranged on the bidirectional reinforcement meshes to fix the disassembly-free template.
Further, the concrete adopts common concrete or self-compacting concrete with the maximum grain size of coarse aggregate not exceeding 25 mm.
Compared with the prior art, the single steel plate-concrete combined shear wall of the form removal-free steel bar truss provided by the application has the following advantages:
(1) The steel bar truss is adopted to replace shear keys such as bolts, so that the steel consumption is saved, and the welding process is simplified.
(2) The steel bar truss increases the out-of-plane rigidity of the steel plate, avoids out-of-plane bulging of the steel plate during concrete pouring, and reduces initial trial defects of the steel plate-concrete combined wall.
(3) The steel bar truss increases the drawknot function of the steel plate and the outsourcing concrete, can avoid the premature stripping of the concrete in the stress state, and increases the ultimate bearing capacity and the ductility of the steel plate-concrete combined wall.
(4) The outer side dismantling-free template can realize full-automatic production line production, and is simple in construction; the disassembly-free template is made of inorganic materials, compared with a steel plate, the fireproof and anti-corrosion performances of the wall body can be greatly improved, the flatness of the wall surface is improved, and the decorative surface can be prefabricated on the outer side.
(5) The single steel plate connecting node is simple and reliable, reduces construction difficulty and saves materials and construction cost.
(6) The novel combined shear wall has good rigidity, bearing capacity, ductility, fireproof performance and corrosion resistance, and can realize industrialized production and assembly construction.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an elevation view of a typical construction of a composite steel sheet-concrete shear wall of the form removal-free steel bar truss of the present application: is arranged in a straight line;
FIG. 2 is a cross-sectional side view of section B-B of FIG. 1;
FIG. 3 is a top cross-sectional view of section A-A of FIG. 1;
FIG. 4 is a top cross-sectional view of a typical construction of a form-stripping-free steel bar truss single steel plate-concrete composite shear wall according to the present application: an L-shaped arrangement;
FIG. 5 is a top cross-sectional view of a typical construction of a form-stripping-free steel bar truss single steel plate-concrete composite shear wall according to the present application: t-shaped arrangement;
fig. 6 is a schematic view illustrating connection of a steel bar truss horizontally arranged on a steel plate according to an embodiment of the present application;
fig. 7 is a schematic view showing connection of a steel bar truss vertically arranged on a steel plate according to an embodiment of the present application;
fig. 8 is a schematic diagram of the connection of the spacer block to simultaneously clamp the horizontal and vertical distribution bars.
In the figure:
1, a steel plate;
2-section steel end posts;
3-outsourcing concrete;
4-steel bar truss;
5, a cushion block;
6, a screw;
7, tie bar;
8-bidirectional reinforcement mesh;
9-removing-free form;
10-T-shaped steel girder;
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1 to 7, a form removal-free steel bar truss single steel plate-concrete composite shear wall includes: the steel plate 1, the shaped steel end column 2, the outsourcing concrete 3, steel bar truss 4, cushion 5, screw 6, drawknot reinforcing bar 7, two-way reinforcing bar net piece 8, exempt from to dismantle template 9 and T shape girder steel 10.
The steel plate 1 is fixedly connected with the steel end posts 2 at the left end and the right end, the steel plate 1, the steel end posts 2 and the steel truss are connected with the T-shaped steel beams at the upper end and the lower end, the steel trusses 4 are fixedly arranged on the two sides of the steel plate 1 and the two sides of the steel end post 2 web respectively, the bidirectional steel mesh 8 is arranged on the steel plate 1, the steel end posts 2 and the outer sides of the steel trusses 4 in a continuous mode, the inner sides of the bidirectional steel mesh 8 are fixed with the steel trusses 4, the tie steel 7 penetrates through the steel plate 1 on the inner sides of the steel end posts 2 to mutually tie the bidirectional steel mesh 8, the cushion block 5 is clamped on the bidirectional steel mesh 8, the disassembly-free template 9 is fixed with the cushion block 5 through screws 6, and the outsourced concrete 3 is poured in a gap in a cube enclosed by the disassembly-free template 9.
In one embodiment of the application, the steel end column 2 is made of hot rolled H-shaped steel, and the left and right ends of the steel plate 1 are connected with flanges of the steel end column 2 by welding. The section steel end column 2, the outsourcing concrete 3 and the bidirectional reinforcement mesh 8 of the combined shear wall mainly bear axial force and bending moment, the steel plate 1 mainly bears shearing force, the reinforcement truss 4 mainly plays a role of increasing out-of-plane rigidity of the steel plate 1, and the steel structure and the drawknot function of the concrete are reinforced together with the bidirectional reinforcement mesh 8, so that the concrete is prevented from peeling off prematurely, and the steel plate is prevented from being unstable prematurely.
The steel bar trusses 4 are arranged on two sides of the steel plate 1 and two sides of the web plate of the steel end column 2 in a welding mode at intervals, and upper chord steel bars of the steel bar trusses 4 are fixedly arranged on flanges of T-shaped steel beams 10 at the upper end and the lower end of the steel plate 1 in a welding mode.
In one embodiment of the application, the upper and lower sides of the steel plate 1 are connected with the flanges of the T-shaped steel beam 10 by welding; the steel plate 1 is aligned with the web centers of the section steel end posts 2 and the T-shaped steel beams 10. The lateral surface of the T-shaped steel beam 10 is provided with transverse stiffening ribs according to the force transmission requirement.
In one embodiment of the application, the cross section of the steel bar truss 4 is triangular, the upper chord steel bars can be used as longitudinal distribution steel bars of the shear wall, the lower chord steel bars are not arranged, the lower ends of the web bars are connected with the steel plate 1 through welding, and the steel bar trusses 4 can be aligned or staggered on two sides of the steel plate 1.
The tie bars are arranged perpendicular to the wall surface, penetrate through the steel plate at the side close to the section steel end column, and tie the two-way reinforcing steel meshes at the two sides mutually.
The bidirectional reinforcement mesh 8 is connected with the reinforcement truss 4 by binding or welding.
The steel bar trusses 4 can be vertically arranged, can be horizontally arranged on one side, can be vertically arranged on the other side, and can be obliquely arranged on both sides.
Still include the continuous arrangement in steel sheet 1 steel end post 2 with the bidirectional reinforcement net piece 8 around steel bar truss 4, cushion 5 at least need block the vertical distribution reinforcing bar or the horizontal distribution reinforcing bar of bidirectional reinforcement net piece 8.
The dismantling-free template 9 is a cement fiberboard or a calcium silicate board, and can also be other inorganic boards with good fireproof and anticorrosion performances. In one embodiment of the application, the tamper-evident form 9 has four blocks.
The cushion blocks 5 are uniformly arranged on the bidirectional reinforcement meshes 8 and play a role in fixing the disassembly-free templates 9.
In one embodiment of the application, the exterior concrete 3 in the composite wall may be cast in place or prefabricated in the factory. The concrete adopts common concrete or self-compacting concrete with the maximum grain diameter of coarse aggregate not exceeding 25 mm.
According to the shear wall structure, through the combination change of all basic component members, plane arrangement forms such as a straight line shape, an L shape and a T shape can be formed.
In one embodiment of the present application, the steel plate 1 is a rectangular flat steel plate, and may have other shapes. The steel plate 1 can be provided with holes, such as rectangular holes, round holes, diamond holes and the like.
The welding of the steel bar truss 4 and the steel plate 1 can be resistance welding or arc welding.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (5)
1. The utility model provides a exempt from to tear open mould steel bar truss list steel sheet-concrete composite shear wall which characterized in that includes: the steel plate (1), the section steel end column (2), the concrete (3), the steel bar truss (4), the cushion block (5), the screw (6), the bidirectional steel bar net piece (8), the disassembly-free template (9) and the T-shaped steel beam (10);
the steel plate (1) is fixedly connected with the steel section end posts (2) at the left end and the right end, the steel plate (1) and the steel section end posts (2) are respectively fixedly provided with the steel bar trusses (4) at the inner side and the outer side, the bidirectional steel bar meshes (8) are continuously arranged around the steel plate (1), the steel section end posts (2) and the steel bar trusses (4), the inner sides of the bidirectional steel bar meshes (8) are fixedly connected with the steel bar trusses (4), the cushion blocks (5) are clamped on the bidirectional steel bar meshes (8), the disassembly-free templates (9) are fixed with the cushion blocks (5) through screws (6), and the concrete (3) is poured in the gaps in the disassembly-free templates (9); the upper end and the lower end of the steel bar truss (4), the steel plate (1) and the section steel end column (2) are respectively welded with the flanges of the T-shaped steel beam (10); the steel bar trusses (4) are arranged on two sides of the steel plate (1) and two sides of the web plate of the steel section end column (2) at intervals, and upper chord steel bars of the steel bar trusses (4) are welded and connected with flanges of T-shaped steel beams (10) fixedly arranged at the upper end and the lower end of the steel plate (1); the steel plate (1) is penetrated by the inner side of the profile steel end column (2) near the steel plate, and the two-way steel bar meshes (8) at the two sides are mutually tied;
the cushion block (5) at least needs to clamp horizontal steel bars or vertical steel bars in the bidirectional steel bar net piece (8); the disassembly-free template (9) is a cement fiberboard or a calcium silicate board; the cushion blocks (5) are uniformly arranged on the bidirectional reinforcement meshes (8) to fix the disassembly-free templates (9).
2. Shear wall according to claim 1, characterized in that the bidirectional reinforcement mesh (8) is connected to the reinforcement truss (4) by lashing or welding.
3. Shear wall according to claim 1, wherein the steel trusses (4) are arranged vertically, horizontally or diagonally.
4. The shear wall of claim 1, wherein the shear wall forms a planar arrangement in the form of a straight, L-shape or T-shape.
5. Shear wall according to claim 1, characterized in that the concrete (3) is ordinary concrete or self-compacting concrete with coarse aggregate maximum particle size not exceeding 25 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310754530.4A CN116480044B (en) | 2023-06-26 | 2023-06-26 | Form removal-free steel bar truss single steel plate-concrete combined shear wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310754530.4A CN116480044B (en) | 2023-06-26 | 2023-06-26 | Form removal-free steel bar truss single steel plate-concrete combined shear wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116480044A CN116480044A (en) | 2023-07-25 |
| CN116480044B true CN116480044B (en) | 2023-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310754530.4A Active CN116480044B (en) | 2023-06-26 | 2023-06-26 | Form removal-free steel bar truss single steel plate-concrete combined shear wall |
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| CN216616427U (en) * | 2021-11-15 | 2022-05-27 | 山东国创节能科技股份有限公司 | Simple and convenient formwork disassembly-free structure wallboard and wall structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110061336A1 (en) * | 2009-03-04 | 2011-03-17 | Michael Robert Thomas | Building system, concrete or OSB, pour molded or pressed molded, composite panels, trusses, and products, with engineering methods and fasteners, and related transportation, erection, and materials processing equipment |
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2023
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| Publication number | Publication date |
|---|---|
| CN116480044A (en) | 2023-07-25 |
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