CN103883032A - I-shaped steel plate shear wall with built-in round steel reinforcement cages and externally-attached steel plate supports and manufacturing method - Google Patents

I-shaped steel plate shear wall with built-in round steel reinforcement cages and externally-attached steel plate supports and manufacturing method Download PDF

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Publication number
CN103883032A
CN103883032A CN201410109493.2A CN201410109493A CN103883032A CN 103883032 A CN103883032 A CN 103883032A CN 201410109493 A CN201410109493 A CN 201410109493A CN 103883032 A CN103883032 A CN 103883032A
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China
Prior art keywords
steel plate
shear
steel
round bar
web
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CN201410109493.2A
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Chinese (zh)
Inventor
曹万林
武海鹏
董宏英
乔崎云
徐萌萌
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Beijing University of Technology
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Beijing University of Technology
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Priority to CN201410109493.2A priority Critical patent/CN103883032A/en
Publication of CN103883032A publication Critical patent/CN103883032A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a combined steel plate shear wall, in particular to an I-shaped steel plate shear wall with built-in round steel reinforcement cages and externally-attached steel plate supports and a manufacturing method. According to the I-shaped steel plate shear wall, 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 the round steel reinforcement cages in a double mode, the elastic-plastic deformation capacity and ultimate compressive strength of the concrete are improved; the steel plate supports can fully play a role as diagonal members, and provide high lateral-resistant rigidity and the high bearing capacity for a shear wall body; 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 steel plate shear wall can have the high bearing capacity and the high elastic-plastic deformation capacity.

Description

The outer sticking steel plate supporting steel plate shear wall of I-shaped built-in round bar cage and the practice
Technical field
The present invention relates to the outer sticking steel plate supporting steel plate shear wall of a kind of I-shaped built-in round bar cage 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, guarantee 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 outer sticking steel plate supporting steel plate shear wall of a kind of I-shaped built-in round bar cage.
The present invention has taked following technical scheme:
The outer sticking steel plate supporting steel plate shear wall of this I-shaped built-in round bar cage, comprise edge of a wing multi-cavity steel tube 1, the outer steel plate 2 of web, point chamber dividing plate 3, round bar cage 4, steel plate support 5 and build the concrete 6 in the edge of a wing and web body of wall, its cross sectional shape is I-shaped; Round bar cage 4 is arranged in body of wall cavity; The outer steel plate 2 of web is outsourcing double steel plate form, and its outside is pasted welding steel plate and supported 5.
Described edge of a wing multi-cavity steel tube 1 is square-section, adopts steel plate or shaped steel to be welded, and can be 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 round bar cage 4 is distributed in each cavity of body of wall, and its stirrup adopts spiral stirrup.
Described steel plate support 5 is pasted and is welded in outer steel plate 2 outsides formation " X " shapes supports of web, and the angle of steel plate support 5 is 30 ° to 60 °.
According to technical scheme of the present invention, the preparation method of the outer sticking steel plate supporting steel plate shear wall of this I-shaped built-in round bar cage 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) round bar cage 4 is inserted in the web steel work having welded and location;
3) according to multi-cavity steel tube shape welded flange multi-cavity steel tube 1;
4) the web steel work and the edge of a wing multi-cavity steel tube 1 that weld and configure round bar cage to completing are located and weld;
5) paste welding steel plate in web steel plate 2 outsides and support 5;
6), to each cavity concreting, after 28 days, form the outer sticking steel plate supporting steel plate shear wall of I-shaped built-in round bar cage 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 round bar cage double constraints concrete ability of elastic-plastic deformation and ultimate compressive strength are improved; Steel plate supports the effect that can give full play to diagonal member, for this shear wall provides larger anti-side rigidity and bearing capacity; 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.
Accompanying drawing explanation
Fig. 1 is outer sticking steel plate supporting steel plate shear wall (embodiment 1) sectional view of I-shaped built-in round bar cage;
Fig. 2 is outer sticking steel plate supporting steel plate shear wall (embodiment 2) sectional view of I-shaped built-in round bar cage;
Fig. 3 is the outer sticking steel plate supporting steel plate shear wall elevation of I-shaped built-in round bar cage;
In figure: 1-edge of a wing multi-cavity steel tube, the outer steel plate of 2-web, 3-divides chamber dividing plate, 4-round bar cage, 5-steel plate supports, and 6-builds the concrete in the edge of a wing and web body of wall.
The specific embodiment
Below in conjunction with instantiation, the present invention will be further described:
Embodiment 1
As shown in Figure 1, the outer sticking steel plate supporting steel plate shear wall of I-shaped built-in round bar cage, comprises edge of a wing multi-cavity steel tube 1, the outer steel plate 2 of web, point chamber dividing plate 3, round bar cage 4, steel plate support 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 outer sticking steel plate supporting steel plate shear wall of I-shaped built-in round bar cage 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) round bar cage 4 is inserted in the web steel work having welded and location;
3) according to multi-cavity steel tube shape welded flange multi-cavity steel tube 1;
4) the web steel work and the edge of a wing multi-cavity steel tube 1 that weld and configure round bar cage to completing are located and weld;
5) paste welding steel plate in web steel plate 2 outsides and support 5;
6), to each cavity concreting, after 28 days, form the outer sticking steel plate supporting steel plate shear wall of I-shaped built-in round bar cage until maintenance.
Embodiment 2
As shown in Figure 2, the outer sticking steel plate supporting steel plate shear wall of I-shaped built-in round bar cage, comprises edge of a wing multi-cavity steel tube 1, the outer steel plate 2 of web, point chamber dividing plate 3, round bar cage 4, steel plate support 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 outer sticking steel plate supporting steel plate shear wall of I-shaped built-in round bar cage 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) round bar cage 4 is inserted in the web steel work having welded and location;
3) according to multi-cavity steel tube shape welded flange multi-cavity steel tube 1, and in its cavity, configure round bar cage 4;
4) the web steel work and the edge of a wing multi-cavity steel tube 1 that weld and configure round bar cage to completing are located and weld;
5) paste welding steel plate in web steel plate 2 outsides and support 5;
6), to each cavity concreting, after 28 days, form the outer sticking steel plate supporting steel plate shear wall of I-shaped built-in round bar cage until maintenance.

Claims (7)

1. the outer sticking steel plate supporting steel plate shear wall of I-shaped built-in round bar cage, it is characterized in that: comprise that edge of a wing multi-cavity steel tube (1), the outer steel plate (2) of web, point chamber dividing plate (3), round bar cage (4), steel plate support (5) and build the concrete (6) in the edge of a wing and web body of wall, its cross sectional shape is I-shaped; Round bar cage (4) is arranged in body of wall cavity; The outer steel plate (2) of web is outsourcing double steel plate form, and its outside is pasted welding steel plate and supported (5).
2. the outer sticking steel plate supporting steel plate shear wall of I-shaped built-in round bar cage according to claim 1, 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 outer sticking steel plate supporting steel plate shear wall of I-shaped built-in round bar cage according to claim 1, is characterized in that: the outer steel plate (2) of web is steel sheet, and its flakiness ratio is greater than 150.
4. the outer sticking steel plate supporting steel plate shear wall of I-shaped built-in round bar cage according to claim 1, 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 outer sticking steel plate supporting steel plate shear wall of I-shaped built-in round bar cage according to claim 1, is characterized in that: round bar cage (4) is distributed in each cavity of body of wall, its stirrup spiral stirrup.
6. the outer sticking steel plate supporting steel plate shear wall of I-shaped built-in round bar cage according to claim 1, it is characterized in that: steel plate support (5) is pasted and is welded in the support of the outer steel plate (2) of web outside formation " X " shape, and the angle that steel plate supports (5) is 30 ° to 60 °.
7. according to the outer sticking steel plate supporting steel plate shear wall of the I-shaped built-in round bar cage 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) round bar cage (4) is inserted in the web steel work having welded and location;
3) according to multi-cavity steel tube shape welded flange multi-cavity steel tube (1);
4) the web steel work and the edge of a wing multi-cavity steel tube (1) that weld and configure round bar cage to completing are located and weld, and form the steel work part of this shear wall;
5) paste welding steel plate in web steel plate 2 outsides and support 5;
6), to each cavity concreting, after 28 days, form the outer sticking steel plate supporting steel plate shear wall of I-shaped built-in round bar cage until maintenance.
CN201410109493.2A 2014-03-23 2014-03-23 I-shaped steel plate shear wall with built-in round steel reinforcement cages and externally-attached steel plate supports and manufacturing method Pending CN103883032A (en)

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Cited By (3)

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CN104674986A (en) * 2015-02-05 2015-06-03 姚攀峰 Multi-cavity concrete-filled steel tubular wall with internal pre-machined semi-continuous reinforcement cage and construction method
CN105863107A (en) * 2016-04-05 2016-08-17 天津城建大学 Sandwich-pipe low-yield-point steel plate shear wall and manufacturing method
CN107882178A (en) * 2017-11-23 2018-04-06 哈尔滨工业大学深圳研究生院 Assembled Super High steel concrete combines house

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104674986A (en) * 2015-02-05 2015-06-03 姚攀峰 Multi-cavity concrete-filled steel tubular wall with internal pre-machined semi-continuous reinforcement cage and construction method
CN104674986B (en) * 2015-02-05 2017-02-22 姚攀峰 Multi-cavity concrete-filled steel tubular wall with internal pre-machined semi-continuous reinforcement cage and construction method
CN105863107A (en) * 2016-04-05 2016-08-17 天津城建大学 Sandwich-pipe low-yield-point steel plate shear wall and manufacturing method
CN107882178A (en) * 2017-11-23 2018-04-06 哈尔滨工业大学深圳研究生院 Assembled Super High steel concrete combines house

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