CN103883031A - I-shaped multi-cavity double-steel-plate shear wall with built-in steel mesh reinforcement and manufacturing method - Google Patents
I-shaped multi-cavity double-steel-plate shear wall with built-in steel mesh reinforcement and manufacturing method Download PDFInfo
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Abstract
The invention relates to a double-steel-plate combined shear wall, in particular to an I-shaped multi-cavity double-steel-plate shear wall with built-in steel mesh reinforcement and a manufacturing method. According to the I-shaped multi-cavity double-steel-plate shear wall with the built-in steel mesh reinforcement, the I-shaped section is applicable to the arrangement mode of a shear wall body in a building structure, the space between the inner sides of two steel plates is filled with concrete, buckling deformation of the steel plates can be effectively restrained, and the buckling strength of the steel plates is improved; due to the fact that the internal concrete is restrained by the steel plates on the two sides, cavity separating plates and steel reinforcement meshes in a double mode, the elastic-plastic deformation capacity and ultimate compressive strength of the concrete are improved; the flange portion of the shear wall body with the I-shaped section has a good restraint effect on a web wall, the bearing capacity, in the plane, of the combined shear wall and the bearing capacity, outside the plane, of the combined shear wall are remarkably improved, and thus the combined shear wall can have the high bearing capacity and the high elastic-plastic deformation capacity.
Description
Technical field
The present invention relates to a kind of I-shaped Multicarity built-in steel mesh reinforcement double steel plate shear wall and the practice, be mainly used in the energy-dissipating and shock-absorbing control field in building structure.
Background technology
Along with social development and the raising of economic level, highrise building is more and more.The RC high-rise building having a large capacity and a wide range is made up of beam, post, floor and shear wall and core conventionally.Shear wall and the cylindrical shell being made up of shear wall are the cores of high-rise construction earthquake resistance, and the anti-seismic performance of shear wall and Core Walls Structure has vital effect to highrise building safe and reliable.Particularly in recent years, pursue personalized large complicated highrise building increasing, require also more and more higher to the anti-seismic performance of shear wall and Core Walls Structure.Existing reinforced concrete shear wall can not meet the antidetonation needs of super-high building structure, and research bearing capacity is high, deformability is large, energy dissipation capacity is strong, the high-performance shear wall of constructability becomes needing badly of engineering.
Steel plate shear force wall is the novel lateral resistant member of one that 20 century 70s grow up, and after this, Chinese scholars has been carried out more research, and achievement in research is applied in Practical Project.In high-rise frame-shear wall structure or framework-core wall structure, because steel plate shear force wall bearing capacity is high, good working ductility, rigidity be larger, can be used as first anti-vibration defense lines; Along with the damage of steel plate shear force wall, framework can provide certain anti-side rigidity and bearing capacity, plays the effect of second anti-vibration defense lines.Combined steel plate shearing force wall mainly contains three kinds of structural forms, comprises embedded steel plate-concrete combined shear wall, one-sided steel plate-concrete combined shear wall and double steel plate-combined concrete shear wall.Embedded steel plate and one-sided steel plate combined shear wall all adopt individual layer steel plate, performance approaches, comparing traditional reinforced concrete shear wall bearing capacity significantly improves, concrete slab retrains steel plate bending deformation to a certain extent, give full play to the mechanical property of steel plate, ensure bearing capacity and the energy dissipation capacity of shear wall under geological process, wherein embedded steel plate combined shear wall, external wrapping concrete also can play fire prevention and antisepsis.Double steel plate shear wall comprises encased steel plate and two kinds of patterns of built-in steel plate, and wherein outsourcing double steel plate can also doublely do template, constructability; In the past about the research of double steel plate compound shear wall is less, and be only confined to I-shaped, have no the research about I-shaped cross-section double steel plate compound shear wall.
Summary of the invention
Technical problem to be solved by this invention is: the bearing capacity and the ductility that improve compound shear wall, the steel plate flexing of constraint steel plate combined shear wall, avoid the shear wall causing due to steel plate flexing to destroy, considered actual cross-section shape and the construction technology of compound shear wall in engineering simultaneously.In order to address this problem, the present invention proposes the built-in steel mesh reinforcement double steel plate of a kind of I-shaped Multicarity shear wall.
The present invention has taked following technical scheme:
The built-in steel mesh reinforcement double steel plate of this I-shaped Multicarity shear wall, comprise edge of a wing multi-cavity steel tube 1, the outer steel plate 2 of web, point chamber dividing plate 3, horizontal distribution reinforcing bar 4, longitudinal distribution reinforcement 5 and build the concrete 6 in the edge of a wing and web body of wall, its cross sectional shape is I-shaped; Horizontal distribution reinforcing bar 4 and longitudinally distribution reinforcement 5 are arranged in body of wall; Point chamber dividing plate 3 is provided with aperture in the position of arranging horizontal distribution reinforcing bar 4, so that horizontal distribution reinforcing bar passes; The outer steel plate 2 of web is outsourcing double steel plate form, the outer steel plate 2 inner side configuration double-layer double-direction reinforced mesh of web.
Described edge of a wing multi-cavity steel tube 1 is square-section, adopts steel plate or shaped steel to be welded, and is Multicarity form by multi-disc steel plate, square steel pipe and channel-section steel Combination Welding.
The outer steel plate 2 of described web is steel sheet, and its flakiness ratio is greater than 150.
The outer steel plate 2 of the described point steel plate that chamber dividing plate 3 adopts and web is identical, the cavity length being divided into is wall thickness 1 to 3 times.
Described horizontal distribution reinforcing bar 4, by after web body of wall, bends in end.
Described horizontal distribution reinforcing bar 4 be distributed in web body of wall or web body of wall and edge of a wing multi-cavity steel tube 1 in.
Described horizontal distribution reinforcing bar 5 be distributed in web body of wall or web body of wall and edge of a wing multi-cavity steel tube 1 in.
According to technical scheme of the present invention, the preparation method of the built-in steel mesh reinforcement double steel plate of this I-shaped Multicarity shear wall is as follows:
1) according to thickness of wall body, the outer steel plate 2 of web is positioned, and weld in inner side and a web point chamber dividing plate 3, the order that should follow from inside to outside when welding is welded successively;
2) horizontal distribution reinforcing bar 4 is passed from the reserved aperture of point chamber dividing plate 3;
3) arrange longitudinal distribution reinforcement 5;
4) according to multi-cavity steel tube shape welded flange multi-cavity steel tube 1;
5) the web steel work and the edge of a wing multi-cavity steel tube 1 that weld and configure reinforced mesh to completing are located and weld, and form the steel work part of this shear wall;
6), to each cavity concreting, after 28 days, form the built-in steel mesh reinforcement double steel plate of I-shaped Multicarity shear wall until maintenance.The present invention can obtain following beneficial effect:
Concrete Filled of the present invention is in two steel plate inner sides, can effectively retrain the bending deformation of steel plate, improved the stability bearing capacity of steel plate, and the inner concrete of both sides steel plate, point chamber dividing plate and reinforced mesh double constraints concrete ability of elastic-plastic deformation and ultimate compressive strength are improved; The shear wall edge of a wing, I-shaped cross-section part has good effect of contraction to web body of wall, has significantly improved the bending resistance of this compound shear wall, thereby makes double steel plate compound shear wall of the present invention have higher bearing capacity and good ability of elastic-plastic deformation.
In addition, (1) double steel plate compound shear wall of the present invention simple structure, can mass industrialized production, easy transportation and installation, and outside steel plate, at the double concrete blinding that does of construction stage, is simplified on-site construction processes; (2) owing to having adopted the form of encased steel plate, reduce concrete and damaged at the moisture in aquation stage, improve the quality of hydration reaction, thereby improved concrete durability; (3), compared with built-in single steel plate combined shear wall, the present invention substitutes a block plate, a series of adverse effects that can effectively avoid the use of super highrise building medium plate and bring with two block plates; Compared with in-line double steel plate shear wall, the edge of a wing of the present invention is stronger, and the effect of multiple seismic-proof is obvious.
Brief description of the drawings
Fig. 1 is the built-in steel mesh reinforcement double steel plate of I-shaped Multicarity shear wall (embodiment 1) sectional view;
Fig. 2 is the built-in steel mesh reinforcement double steel plate of I-shaped Multicarity shear wall (embodiment 2) sectional view;
In figure: 1-edge of a wing multi-cavity steel tube, the outer steel plate of 2-web, 3-divides chamber dividing plate, 4-horizontal distribution reinforcing bar, the longitudinal distribution reinforcement of 5-, 6-builds the concrete in the edge of a wing and web body of wall.
Detailed description of the invention
Below in conjunction with instantiation, the present invention will be further described:
As shown in Figure 1, the built-in steel mesh reinforcement double steel plate of I-shaped Multicarity shear wall, comprises edge of a wing multi-cavity steel tube 1, the outer steel plate 2 of web, point chamber dividing plate 3, horizontal distribution reinforcing bar 4, longitudinal distribution reinforcement 5 and builds the concrete 6 in the edge of a wing and web body of wall.It has adapted to the arrangement form of shear wall in building structure, has given full play to the effect of multiple seismic-proof simultaneously.
The built-in steel mesh reinforcement double steel plate of I-shaped Multicarity shear wall in the present embodiment can be made as follows:
1) according to thickness of wall body, the outer steel plate 2 of web is positioned, and weld in inner side and a web point chamber dividing plate 3, when welding, first weld inner separation steel plate, outwards divide successively block welding;
2) horizontal distribution reinforcing bar 4 is passed from the reserved aperture of point chamber dividing plate 3;
3) in web cavity, arrange longitudinal distribution reinforcement 5, and be welded to connect to locate with part distribution reinforcement;
4) according to multi-cavity steel tube shape welded flange multi-cavity steel tube 1;
5) the web steel work and the edge of a wing multi-cavity steel tube 1 that weld and configure reinforced mesh to completing are located and weld, and form the steel work part of this shear wall;
6), to each cavity concreting, after 28 days, form the built-in steel mesh reinforcement double steel plate of I-shaped Multicarity shear wall until maintenance.
As shown in Figure 2, the built-in steel mesh reinforcement double steel plate of I-shaped Multicarity shear wall, comprises edge of a wing multi-cavity steel tube 1, the outer steel plate 2 of web, point chamber dividing plate 3, horizontal distribution reinforcing bar 4, longitudinal distribution reinforcement 5 and builds the concrete 6 in the edge of a wing and web body of wall.It has adapted to the arrangement form of shear wall in building structure, has given full play to the effect of multiple seismic-proof simultaneously.
The built-in steel mesh reinforcement double steel plate of I-shaped Multicarity shear wall in the present embodiment can be made as follows:
1) according to thickness of wall body, the outer steel plate 2 of web is positioned, and weld in inner side and a web point chamber dividing plate 3, when welding, first weld inner separation steel plate, outwards divide successively block welding;
2) horizontal distribution reinforcing bar 4 is passed from the reserved aperture of point chamber dividing plate 3;
3) in the each cavity of web, arrange longitudinal distribution reinforcement 5, and be welded to connect to locate with part of horizontal distribution reinforcement;
4) according to multi-cavity steel tube shape welding multi-cavity steel tube 1, and repeating step 2)-3) the interior horizontal distribution reinforcing bar 4 of configuration edge of a wing multi-cavity steel tube and longitudinal distribution reinforcement 5;
5) the web steel work and the edge of a wing multi-cavity steel tube 1 that weld and configure reinforced mesh to completing are located and weld, and form the steel work part of this shear wall;
6), to each cavity concreting, after 28 days, form the built-in steel mesh reinforcement double steel plate of I-shaped Multicarity shear wall until maintenance.
Claims (8)
1. the built-in steel mesh reinforcement double steel plate of I-shaped Multicarity shear wall, it is characterized in that: it comprises the outer steel plate (2) of edge of a wing multi-cavity steel tube (1), web, point chamber dividing plate (3), horizontal distribution reinforcing bar (4), longitudinal distribution reinforcement (5) and build the concrete (6) in the edge of a wing and web body of wall, its cross sectional shape is I-shaped; Horizontal distribution reinforcing bar (4) and longitudinally distribution reinforcement (5) are arranged in body of wall; Point chamber dividing plate (3) is provided with aperture in the position of arranging horizontal distribution reinforcing bar (4), so that horizontal distribution reinforcing bar passes; The outer steel plate (2) of web is outsourcing double steel plate form, the outer steel plate (2) of web inner side configuration double-layer double-direction reinforced mesh.
2. the built-in steel mesh reinforcement double steel plate of I-shaped Multicarity according to claim 1 shear wall, it is characterized in that: edge of a wing multi-cavity steel tube (1) is square-section, adopting steel plate or shaped steel to be welded, is Multicarity form by multi-disc steel plate, square steel pipe and channel-section steel Combination Welding.
3. the built-in steel mesh reinforcement double steel plate of I-shaped Multicarity according to claim 1 shear wall, is characterized in that: the outer steel plate (2) of web is steel sheet, and its flakiness ratio is greater than 150.
4. the built-in steel mesh reinforcement double steel plate of I-shaped Multicarity according to claim 1 shear wall, is characterized in that: steel plate (2) is identical outward with web for the steel plate that point chamber dividing plate (3) adopts, the cavity length being divided into is wall thickness 1 to 3 times.
5. the built-in steel mesh reinforcement double steel plate of I-shaped Multicarity according to claim 1 shear wall, is characterized in that: horizontal distribution reinforcing bar (4), by through after web body of wall cavity, bends in end.
6. the built-in steel mesh reinforcement double steel plate of I-shaped Multicarity according to claim 1 shear wall, is characterized in that: horizontal distribution reinforcing bar (4) be distributed in web body of wall or web body of wall and edge of a wing multi-cavity steel tube (1) in.
7. the built-in steel mesh reinforcement double steel plate of I-shaped Multicarity according to claim 1 shear wall, is characterized in that: longitudinally distribution reinforcement (5) be distributed in web body of wall or web body of wall and edge of a wing multi-cavity steel tube (1) in.
8. according to the preparation method of the built-in steel mesh reinforcement double steel plate of the I-shaped Multicarity shear wall described in claim 1-7 any one, it is characterized in that, step is as follows:
1) according to thickness of wall body, the outer steel plate (2) of web is positioned, and divide chamber dividing plate (3) welding in inner side and web, the order that should follow from inside to outside when welding is welded successively;
2) horizontal distribution reinforcing bar (4) is passed from point reserved aperture of chamber dividing plate (3);
3) arrange longitudinal distribution reinforcement (5);
4) according to multi-cavity steel tube shape welded flange multi-cavity steel tube (1);
5) the web steel work and the edge of a wing multi-cavity steel tube (1) that weld and configure reinforced mesh to completing are located and weld, and form the steel work part of this shear wall;
6), to each cavity concreting, after 28 days, form the built-in steel mesh reinforcement double steel plate of I-shaped Multicarity shear wall until maintenance.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035062A (en) * | 2017-05-04 | 2017-08-11 | 浙江绿筑集成科技有限公司 | A kind of shaped steel expansible steel reinforced concrete combination dry wall with ribbing |
| CN108086535A (en) * | 2017-12-15 | 2018-05-29 | 中建钢构有限公司 | A kind of assembled square steel tube steel plate concrete combined shear wall |
| CN109610685A (en) * | 2018-12-07 | 2019-04-12 | 青岛理工大学 | Double-steel-plate combined shear wall with externally-wrapped pressure-bearing non-tensioned concrete and embedded damping interlayer |
| CN112538920A (en) * | 2020-11-05 | 2021-03-23 | 同济大学 | L-shaped rectangular steel pipe-corrugated steel plate combined wall and implementation method |
| CN112538921A (en) * | 2020-11-05 | 2021-03-23 | 同济大学 | Cross-shaped rectangular steel pipe-corrugated steel plate combined wall and implementation method |
| CN112538919A (en) * | 2020-11-05 | 2021-03-23 | 同济大学 | Design and construction method of T-shaped rectangular steel pipe-corrugated steel plate combined wall |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035062A (en) * | 2017-05-04 | 2017-08-11 | 浙江绿筑集成科技有限公司 | A kind of shaped steel expansible steel reinforced concrete combination dry wall with ribbing |
| CN108086535A (en) * | 2017-12-15 | 2018-05-29 | 中建钢构有限公司 | A kind of assembled square steel tube steel plate concrete combined shear wall |
| CN109610685A (en) * | 2018-12-07 | 2019-04-12 | 青岛理工大学 | Double-steel-plate combined shear wall with externally-wrapped pressure-bearing non-tensioned concrete and embedded damping interlayer |
| CN112538920A (en) * | 2020-11-05 | 2021-03-23 | 同济大学 | L-shaped rectangular steel pipe-corrugated steel plate combined wall and implementation method |
| CN112538921A (en) * | 2020-11-05 | 2021-03-23 | 同济大学 | Cross-shaped rectangular steel pipe-corrugated steel plate combined wall and implementation method |
| CN112538919A (en) * | 2020-11-05 | 2021-03-23 | 同济大学 | Design and construction method of T-shaped rectangular steel pipe-corrugated steel plate combined wall |
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Application publication date: 20140625 |