CN204435602U - A kind of built-in steel plate concrete combined shear wall - Google Patents
A kind of built-in steel plate concrete combined shear wall Download PDFInfo
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- CN204435602U CN204435602U CN201420858960.7U CN201420858960U CN204435602U CN 204435602 U CN204435602 U CN 204435602U CN 201420858960 U CN201420858960 U CN 201420858960U CN 204435602 U CN204435602 U CN 204435602U
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Abstract
The utility model provides a kind of built-in steel plate concrete combined shear wall, comprises built-in steel plate, and the both sides of built-in steel plate are provided with some row stiffening rib with holes, and the two ends of built-in steel plate are provided with newel post; The bottom reinforced region of built-in steel plate and stiffening rib with holes is wrapped in steel fibrous concrete, and other regions of built-in steel plate and stiffening rib with holes are wrapped in ordinary concrete.The utility model reinforced region bottom shear wall replaces ordinary concrete and steel plate jointly to resist shearing by steel fibrous concrete, improves shear-carrying capacity at the bottom of wall.And in the utility model with stiffening rib with holes by built-in steel plate and concrete close-coupled, steel fibrous concrete significantly improves concrete capacity against cracking and the anti-fatigue ability of reinforced region bottom shear wall simultaneously, its toughness have also been obtained improvement by a relatively large margin, thus be conducive to shear wall structure system reduce wall section under the requirement meeting anti-seismic performance, make its application advantage in high-wall more obvious.
Description
Technical field
The utility model belongs to steel performance and combination construction anti-seismic technology field, is specifically related to a kind of built-in steel plate concrete combined shear wall.
Background technology
Shear wall is the lateral resistant member of opposing horizontal loading, and especially under seismic load, assume responsibility for most of seismic shear, its anti-seismic performance directly determines the shock resistance of total.Therefore, the research of shear wall anti-seismic performance improves significant for overall shock resistance that is high-rise, super high rise structure.
Common high strength concrete shear wall is a kind of good high-rise lateral resisting structure, but because the duty of shear wall is high axial compression ratio, larger shearing the state of depositing in super high rise structure, make under seismic loading, bottom shear wall, to strengthen ordinary concrete cracking in district, lost efficacy too early, and maintenance difficulty is large.There is the shearing resistance of shear wall bottom section, tensile strength is not enough or relative deficiency, easily cause wall basal cross section capacity under axial to weaken, thus reduce high strength concrete shear wall anti-seismic performance.
Finite element analysis is carried out to needing reinforced region bottom steel plate concrete shear wall, find stress state more complicated, owing to configuring the strengthening measures such as stiffening rib in concrete, limit by regional and directionality, so take reinforcement manner opposing complex stress to be not most effective method.
Utility model content
The purpose of this utility model is to provide a kind of built-in steel plate concrete combined shear wall, can improve wall base concrete shear resistance, deformability, fatigue behaviour, thus increase substantially the anti-seismic performance of steel plate shear force wall.
For achieving the above object, the utility model have employed following technical scheme:
A kind of built-in steel plate concrete combined shear wall, comprise built-in steel plate, the both sides of built-in steel plate are provided with some row stiffening rib with holes, the two ends of built-in steel plate are provided with newel post, wherein newel post comprises steel pipe, is cast in the steel fibrous concrete of reinforced region bottom steel pipe, and is cast in other region ordinary concretes in steel pipe; The bottom reinforced region of built-in steel plate and stiffening rib with holes is wrapped in steel fibrous concrete, and other regions of built-in steel plate and stiffening rib with holes are wrapped in ordinary concrete.
The cross section of described steel pipe is square or rectangle.
Described bottom reinforced region is plastic hinge region bottom shear wall.
Described stiffening rib with holes offers some through holes.
Described stiffening rib with holes is arranged along the overall height of built-in steel plate.
Described newel post arranges along the overall height of built-in steel plate.
Its cross section steel ratio is 0.04 ~ 0.2.
Relative to prior art, the beneficial effects of the utility model are:
The built-in steel plate concrete combined shear wall that the utility model provides is the novel shear wall form proposed on the basis of general steel plate concrete shear force wall, is a kind of novel compositions shear wall being applicable to executive information systems.In steel fibre random distribution in steel fibrous concrete and concrete, it is the more satisfactory material resisting complex stress.The utility model replaces the ordinary concrete of reinforced region bottom existing shear wall with steel fibrous concrete, the prevent-crevice theory of steel fibre inhibits the development in crack, the stress having relaxed crack tip concentrates little degree, make stress ratio constant, improve cracking bearing capacity, plastic deformation ability and fatigue capacity significantly improve.So just can make full use of the tensile strength of steel fibre, deformability, resistance to live load ability, postpone the generation of built-in steel plate shear force wall damage-form targetedly, compare common high-strength concrete, the more effective prevention steel plate flexing of steel fibrous concrete energy, and the coupling of stiffening rib with holes, the outside flexing of built-in steel plate of reinforced region bottom shear wall is postponed.Therefore, the utility model can ensure that shear wall reaches elastic-plastic behavior under larger probability, makes full use of the anti-pressure ability of high-strength concrete, improves the ultimate shear bearing capacity of built-in steel plate shear force wall.Replace traditional peg with stiffening rib with holes in the compound shear wall that the utility model provides and come being coupled between Concrete Structure with steel plate, synergy, effectively can strengthen the damping in shear wall system loading process, there is good ductility.For peg, the crudy of stiffening rib with holes is easier to control, handled easily, and stiffening rib with holes is more conducive to passing through of body of wall internal pipeline.Two ends at shear wall in the utility model arrange newel post, can bear more axle power, effectively reduce the ratio of axial compressive force to axial compressive ultimate capacity of section of shear wall.In the severe earthquake action later stage, when after shear wall hydraulic performance decline, newel post can effectively avoid body of wall to collapse as second anti-vibration defense lines.In the utility model, newel post and shear wall form entirety and come shared shearing and moment of flexure, and the compound shear wall that the utility model is provided can obtain better bearing capacity and deformation performance.The utility model solves that ftractureing comparatively early appears in existing built-in steel plate concrete shear wall bottom section, the phenomenon that crushes thus limit the shortcoming in its scope of application and application life, the existence of steel fibre adds the coupling between built-in steel plate and concrete, can better collaborative work both making.Because the cost of steel fibrous concrete is too high, only bottom shear wall, reinforced region is built and namely can be made full use of its deformation performance, fatigue resistance, all the other positions use ordinary concrete just can utilize its high axial load carrying capacity, thus reach the object of the anti-seismic performance improving shear wall, create how better Social benefit and economic benefit.The utility model is reinforced region application steel fibrous concrete bottom shear wall, can expand the scope of application of this structure under the prerequisite not expanding wall basal cross section, makes it in high earthquake intensity area high level, super highrise building, be able to application.
Accompanying drawing explanation
The cross sectional representation of the compound shear wall top normal areas that Fig. 1 provides for the utility model;
The cross sectional representation of reinforced region bottom the compound shear wall that Fig. 2 provides for the utility model;
The structural representation of stiffening rib with holes in the compound shear wall that Fig. 3 provides for the utility model;
The schematic perspective view of the compound shear wall that Fig. 4 provides for the utility model;
Wherein: 1 is built-in steel plate, 2 is stiffening rib with holes, and 3 is newel post, and 4 is ordinary concrete, and 5 is steel fibrous concrete, and 6 is steel pipe.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further details.
See Fig. 1 to Fig. 4, the built-in steel plate concrete combined shear wall that the utility model provides, comprise built-in steel plate 1, the both sides of built-in steel plate 1 are provided with some row stiffening rib 2 with holes, stiffening rib 2 with holes evenly offers some through holes, by arranging the coupling that stiffening rib with holes comes between Concrete Structure and built-in steel plate.The two ends of built-in steel plate 1 are provided with newel post 3; The bottom reinforced region of built-in steel plate 1 and stiffening rib with holes 2 is wrapped in steel fibrous concrete 5, and other regions of built-in steel plate 1 and stiffening rib with holes 2 are wrapped in ordinary concrete 4.Newel post 3 comprises steel pipe 6, is cast in the steel fibrous concrete 5 of reinforced region bottom steel pipe 6, and is cast in other region ordinary concretes 4 in steel pipe 6, and the cross section of steel pipe 6 is square or rectangle.Wherein bottom reinforced region is plastic hinge region bottom shear wall.Stiffening rib 2 with holes and newel post 3 arrange along the overall height of built-in steel plate 1.The cross section steel ratio of the built-in steel plate concrete combined shear wall that the utility model provides is 0.04 ~ 0.2.
Bottom shear wall, reinforced region is section turn moment, the maximum position of shearing, easily under course under cyclic loading, form intersection diagonal crack, the higher value of both 1/8 and the bottom two layers of general desirable shear wall overall height, when the height of shear wall is more than 150m, 1/10 of desirable wall limb overall height.
The built-in steel plate of the compound shear wall that the utility model provides and stiffening rib with holes and steel pipe are formed by the Plate Welding of dimension as required.Produce in specialized Gang Gou company in advance, then job site is transported to, after assigned address installation in position, build formwork for placing, steel fibrous concrete is built the bottom reinforced region (comprising in steel pipe and built-in steel plate both sides) in shear wall, the indirect stubble of steel fibrous concrete and ordinary concrete, without the need to processing, directly can build ordinary concrete, after concrete curing, namely lay at assigned address the compound shear wall that the utility model provides.Operation is simple, can obtain better economic benefit and social benefit.
In the utility model, built-in steel plate is as basic gripper shoe, and both sides external wrapping concrete provides lateral restraint, prevents the too early flexing unstability of steel plate for built-in steel plate, and concrete also plays the effect of fire-proof and thermal-insulation simultaneously.Effectively can be reduced the bond-slip of interface between built-in steel plate and concrete by stiffening rib with holes, and make the crack progressing on concrete slow, crack quantity reduces; The failure mode of built-in steel plate concrete combined shear wall is based on ductility bending failure, and relative ordinary reinforced concrete shear wall peak value bearing capacity and ultimate deformation ability are all significantly improved.Test shows: the test specimen wearing hole stiffening rib of the present utility model to dissipate more energy than other forms of body of wall.Weld the concrete under course under cyclic loading of the shear wall test specimen after stiffening rib with holes and first occur oblique pull crack, then steel plate to be squeezed local buckling due to bight, finally destroys due to bight crushing of concrete.Finite element analysis is carried out to reinforced region bottom built-in steel plate concrete shear wall, find stress state more complicated, owing to configuring the strengthening measures such as stiffening rib with holes in concrete, limit by regional and directionality, so take reinforcement manner opposing complex stress to be not most effective method.And in steel fibre random distribution in steel fibrous concrete and concrete, be the more satisfactory material resisting complex stress.
The compound shear wall that the utility model provides is built steel fibrous concrete by reinforced region bottom shear wall and is substituted existing ordinary concrete, thus improve the performances such as concrete tensile strength, fracture toughness and fatigue, the agent on crack resistance of concrete shock stability belonging to fragile material is obtained and significantly improves.In compound shear wall, damageable zone adopts this kind of high performance concrete, postpone built-in steel plate outer concrete cracking time, improve ultimate shear bearing capacity, can the working range of prolongation structure normal operating condition, improve its functional performance and durability, be conducive to the potential bearing capacity playing structure.The compound shear wall that the utility model provides has that initial stiffness is large, slow, the overall anti-seismic performance of bearing capacity and stiffness decay is good, the features such as later stage anti-seismic performance is more stable.The utility model strengthens district's application steel fibrous concrete bottom built-in steel plate concrete shear wall, can expand the scope of application of this structure, can be applicable to highlight lines height wall system under the prerequisite not expanding wall basal cross section.
Claims (7)
1. a built-in steel plate concrete combined shear wall, it is characterized in that: comprise built-in steel plate (1), the both sides of built-in steel plate (1) are provided with some row stiffening rib with holes (2), the two ends of built-in steel plate (1) are provided with newel post (3), wherein newel post (3) comprises steel pipe (6), is cast in the steel fibrous concrete (5) of steel pipe (6) bottom reinforced region, and is cast in other region ordinary concretes (4) in steel pipe (6); The bottom reinforced region of built-in steel plate (1) and stiffening rib with holes (2) is wrapped in steel fibrous concrete (5), and other regions of built-in steel plate (1) and stiffening rib with holes (2) are wrapped in ordinary concrete (4).
2. built-in steel plate concrete combined shear wall according to claim 1, is characterized in that: the cross section of described steel pipe (6) is square.
3. built-in steel plate concrete combined shear wall according to claim 1, is characterized in that: described bottom reinforced region is plastic hinge region bottom shear wall.
4. built-in steel plate concrete combined shear wall according to claim 1, is characterized in that: described stiffening rib with holes (2) offers some through holes.
5. built-in steel plate concrete combined shear wall according to claim 1, is characterized in that: described stiffening rib with holes (2) is arranged along the overall height of built-in steel plate (1).
6. built-in steel plate concrete combined shear wall according to claim 1, is characterized in that: described newel post (3) arranges along the overall height of built-in steel plate (1).
7. built-in steel plate concrete combined shear wall according to claim 1, is characterized in that: its cross section steel ratio is 0.04 ~ 0.2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420858960.7U CN204435602U (en) | 2014-12-30 | 2014-12-30 | A kind of built-in steel plate concrete combined shear wall |
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| CN201420858960.7U CN204435602U (en) | 2014-12-30 | 2014-12-30 | A kind of built-in steel plate concrete combined shear wall |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563330A (en) * | 2014-12-30 | 2015-04-29 | 长安大学 | Built-in steel plate and concrete composite shear wall |
| CN106049663A (en) * | 2016-07-22 | 2016-10-26 | 中国建筑第八工程局有限公司 | Dwelling house system having steel pipe concrete dense-column steel plate energy dissipation shear wall structure |
| CN106223514A (en) * | 2016-07-22 | 2016-12-14 | 中国建筑第八工程局有限公司 | Concrete filled steel tube close post steel plate energy-consuming shear wall structure |
| CN106545110A (en) * | 2016-11-04 | 2017-03-29 | 西安建筑科技大学 | A kind of anti-buckling steel plate shear wall structure being easily assembled |
| CN107060142A (en) * | 2017-05-04 | 2017-08-18 | 浙江绿筑集成科技有限公司 | A kind of compound shear wall being made up of H profile steel and T-steel and preparation method |
| CN107060138A (en) * | 2017-05-04 | 2017-08-18 | 浙江绿筑集成科技有限公司 | A kind of modified form shaped steel expansible steel reinforced concrete combination dry wall with ribbing |
| CN107989260A (en) * | 2017-12-19 | 2018-05-04 | 浙江绿筑集成科技有限公司 | Circular edge column is put more energy into arc floor steel reinforced concrete compound shear wall and production method |
| CN107989230A (en) * | 2018-01-03 | 2018-05-04 | 浙江绿筑集成科技有限公司 | A kind of L-type assembled stem steel plate shear force wall and its assembling constructing method |
| CN108005262A (en) * | 2018-01-03 | 2018-05-08 | 浙江绿筑集成科技有限公司 | A kind of cross assembled stem steel plate shear force wall and its assembling constructing method |
| CN108005267A (en) * | 2018-01-03 | 2018-05-08 | 浙江绿筑集成科技有限公司 | A kind of yi word pattern assembled stem steel plate shear force wall and its assembling constructing method |
| CN108035483A (en) * | 2017-12-19 | 2018-05-15 | 浙江绿筑集成科技有限公司 | H-type edge posts are put more energy into arc floor steel reinforced concrete compound shear wall and production method |
| CN108118804A (en) * | 2018-01-03 | 2018-06-05 | 浙江绿筑集成科技有限公司 | A kind of Z-type assembled stem steel plate shear force wall and its assembling constructing method |
-
2014
- 2014-12-30 CN CN201420858960.7U patent/CN204435602U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563330A (en) * | 2014-12-30 | 2015-04-29 | 长安大学 | Built-in steel plate and concrete composite shear wall |
| CN106049663B (en) * | 2016-07-22 | 2018-06-19 | 中国建筑第八工程局有限公司 | The dwelling house system of the close column steel plate energy-consuming shear wall structure of concrete filled steel tube |
| CN106049663A (en) * | 2016-07-22 | 2016-10-26 | 中国建筑第八工程局有限公司 | Dwelling house system having steel pipe concrete dense-column steel plate energy dissipation shear wall structure |
| CN106223514A (en) * | 2016-07-22 | 2016-12-14 | 中国建筑第八工程局有限公司 | Concrete filled steel tube close post steel plate energy-consuming shear wall structure |
| CN106223514B (en) * | 2016-07-22 | 2018-08-03 | 中国建筑第八工程局有限公司 | The close column steel plate energy-consuming shear wall structure of concrete filled steel tube |
| CN106545110A (en) * | 2016-11-04 | 2017-03-29 | 西安建筑科技大学 | A kind of anti-buckling steel plate shear wall structure being easily assembled |
| CN107060142A (en) * | 2017-05-04 | 2017-08-18 | 浙江绿筑集成科技有限公司 | A kind of compound shear wall being made up of H profile steel and T-steel and preparation method |
| CN107060138A (en) * | 2017-05-04 | 2017-08-18 | 浙江绿筑集成科技有限公司 | A kind of modified form shaped steel expansible steel reinforced concrete combination dry wall with ribbing |
| CN107989260A (en) * | 2017-12-19 | 2018-05-04 | 浙江绿筑集成科技有限公司 | Circular edge column is put more energy into arc floor steel reinforced concrete compound shear wall and production method |
| CN108035483A (en) * | 2017-12-19 | 2018-05-15 | 浙江绿筑集成科技有限公司 | H-type edge posts are put more energy into arc floor steel reinforced concrete compound shear wall and production method |
| CN108005267A (en) * | 2018-01-03 | 2018-05-08 | 浙江绿筑集成科技有限公司 | A kind of yi word pattern assembled stem steel plate shear force wall and its assembling constructing method |
| CN108118804A (en) * | 2018-01-03 | 2018-06-05 | 浙江绿筑集成科技有限公司 | A kind of Z-type assembled stem steel plate shear force wall and its assembling constructing method |
| CN108005262A (en) * | 2018-01-03 | 2018-05-08 | 浙江绿筑集成科技有限公司 | A kind of cross assembled stem steel plate shear force wall and its assembling constructing method |
| CN107989230A (en) * | 2018-01-03 | 2018-05-04 | 浙江绿筑集成科技有限公司 | A kind of L-type assembled stem steel plate shear force wall and its assembling constructing method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20161230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |