CN106480998A - A kind of region constrained concrete shear wall and preparation method thereof - Google Patents
A kind of region constrained concrete shear wall and preparation method thereof Download PDFInfo
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- CN106480998A CN106480998A CN201510553738.5A CN201510553738A CN106480998A CN 106480998 A CN106480998 A CN 106480998A CN 201510553738 A CN201510553738 A CN 201510553738A CN 106480998 A CN106480998 A CN 106480998A
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- 239000004567 concrete Substances 0.000 title claims abstract description 67
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 230000002787 reinforcement Effects 0.000 claims description 90
- 229910000831 Steel Inorganic materials 0.000 claims description 41
- 239000010959 steel Substances 0.000 claims description 41
- 241001669679 Eleotris Species 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 3
- 238000007796 conventional method Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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Abstract
The invention discloses a kind of region constrained concrete shear wall and preparation method thereof, the region constrained concrete shear wall is to be respectively arranged with edge constraint post and restricted joint angle post at the edge of concrete shear force wall or corner, one group of longitudinal restraint post is provided between edge constraint post or between edge constraint post and restricted joint angle post, concrete shear along story height direction is respectively arranged with lateral confinement beam and transversely distributed steelbar for per layer within the walls, for being provided only with the unconfinement wall section of transversely distributed steelbar between constraint post and restained beam, after pouring the concrete of shear wall, forming region confined concrete shear wall structure.The region constrained concrete structure of the present invention can effectively reduce concrete structure member section, increase house and use space, simultaneously as member section reduces, deadweight reduces, and earthquake response also reduces further.
Description
Technical field
The present invention relates to a kind of region constrained concrete shear wall and preparation method thereof, belongs to technical field of building construction.
Background technology
In reinforced concrete structure, it is widely used shear wall and short-limb wall, but either shear wall or short-limb wall, in addition to end and corner are provided with sleeper, component stage casing stirrup is all socketed using tension rib, concrete and rebar cooperation efficiency can not be given full play to, the bearing capacity and shock resistance so as to cause body of wall reduces.
Content of the invention
It is an object of the invention to：There is provided a kind of constraint efficiency high, bearing capacity and shock resistance good, and than common shear wall initial stiffness more higher region constrained concrete shear wall of big, energy dissipation capacity and preparation method thereof, to overcome the deficiencies in the prior art.
Technical scheme：A kind of region constrained concrete shear wall, it is to be respectively arranged with edge constraint post and restricted joint angle post at the edge of concrete shear force wall or corner, one group of longitudinal restraint post is provided between edge constraint post or between edge constraint post and restricted joint angle post, concrete shear along story height direction is respectively arranged with lateral confinement beam for per layer within the walls, transversely distributed steelbar is provided between lateral confinement beam, for being provided only with the unconfinement wall section of transversely distributed steelbar between constraint post and restained beam, after pouring the concrete of shear wall, forming region confined concrete shear wall structure.
Aforesaid lateral confinement beam two ends are connected with edge constraint post, are connected with longitudinal restraint post or restricted joint angle post in the middle of which.
Aforesaid transversely distributed steelbar is a pair of parallel reinforcing bar, and its two ends is bundled on edge constraint post or restricted joint angle post, and is connected with edge constraint post, restricted joint angle post and longitudinal restraint post.
A kind of preparation method of region constrained concrete shear wall，The method be make region constrained concrete shear wall when，Edge reinforcement cage and corner steel reinforcement cage are respectively provided with first at the edge of concrete shear force wall and corner，While arranging one group of longitudinal reinforcement cage between edge reinforcement cage or between edge reinforcement cage and corner steel reinforcement cage，Then per layer of the short transverse along longitudinal reinforcement cage arranges the above transverse steel cage of twice and arranges transversely distributed steelbar between transverse steel cage，And so that transverse steel cage and transversely distributed steelbar two ends is connected with edge reinforcement cage，It is connected with longitudinal reinforcement cage or corner steel reinforcement cage in the middle of which，Make edge reinforcement cage or corner steel reinforcement cage、Longitudinal reinforcement cage and transverse steel cage connect into an entirety，Then according to conventional method casting concrete，After concrete reaches design strength，Formed with edge constraint post or restricted joint angle post、Longitudinal restraint post and lateral confinement beam are main support system，And with the cooperative shear wall structure of unconfinement wall section.
In preceding method, when concrete shear force wall stress is compared with hour, edge reinforcement cage and longitudinal reinforcement cage adopt sleeper form of reinforcement, described sleeper form of reinforcement is to produce more than 2 layers of the stirrup layer being made up of square closed stirrup on longitudinal reinforcement, and four corners of square closed stirrup are provided with longitudinal reinforcement.
In preceding method, when concrete shear force wall stress is larger, edge reinforcement cage adopts newel post's form of reinforcement, described newel post's form of reinforcement is to produce more than 2 layers of the stirrup layer being made up of rectangle closed stirrup on longitudinal reinforcement, every layer of stirrup layer is all a big rectangle being superimposed with each other by four rectangle closed stirrup head and the tail, is provided with four piece longitudinal reinforcements in the grid for being formed at each two rectangle closed stirrup overlapping.
Aforesaid corner steel reinforcement cage is to produce more than 2 layers of the stirrup layer being made up of rectangle closed stirrup on longitudinal reinforcement, every layer of stirrup layer is vertically formed by stacking by two rectangle closed stirrup head and the tail, is provided with four longitudinal reinforcements in the grid for being formed at two rectangle closed stirrup overlappings.
Aforesaid transverse steel cage is to produce more than 2 layers of the stirrup layer being made up of square closed stirrup on transverse steel, and four corners of square closed stirrup are provided with transverse steel.
Due to adopting technique scheme, it is an advantage of the current invention that：The present invention utilizes range constraint principle, by the vertical muscle in shear wall with stirrup according to pillar reinforcement manner, forms constraint sleeper and constrains dark beam, can increase substantially bearing capacity and the energy dissipation capacity of shear wall.The region constrained concrete shear wall of the present invention has higher constraint efficiency compared with normal concrete shear wall, and the transformation due to tied mechanism, so that concrete strength is fully utilized, the bearing capacity of wall section is improved, and it is more higher than common shear wall initial stiffness bigger, energy dissipation capacity, more preferably, anti-seismic performance is more preferable for ductility.In addition, shear wall is divided into constraint section and unconfinement section by the region constrained concrete shear wall of the present invention, under rarely occurred earthquake effect, if shear wall is destroyed, unconfinement section concrete can be crushed first, be gradually backed out work, shear wall integral rigidity declines but depression of bearing force amplitude is relatively delayed, then restained beam, constraint post are surrendered gradually, are destroyed, and ductile performance during destruction is more projected, so as to substantially increase the shock resistance of body of wall.Therefore, the region constrained concrete structure of the present invention can effectively reduce concrete structure member section, increase house and use space, simultaneously as member section reduces, deadweight reduces, and earthquake response also reduces further.
Description of the drawings
Fig. 1 is the sectional view of the region constrained concrete shear wall structure schematic diagram of the present invention；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 be in the present invention edge reinforcement cage with structural representation during sleeper form of reinforcement；
Fig. 4 be in the present invention edge reinforcement cage with structural representation during newel post's form of reinforcement
Fig. 5 is the structural representation of transfer angle of the present invention steel reinforcement cage；
Fig. 6 is the structural representation of transverse steel cage in the present invention.
Description of reference numerals：1- edge constraint post, 2- longitudinal restraint post, 3- lateral confinement beam, 4- transversely distributed steelbar, 5- unconfinement wall section, 6- restricted joint angle post, 7- rectangle closed stirrup, 8- longitudinal reinforcement, the square closed stirrup of 9-, 10- transverse steel.
Specific embodiment
In order that the object of the invention, technical scheme and advantage are clearer, the present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiments of the invention：The structural representation of region constrained concrete shear wall is as shown in Figures 1 and 2, it is to be respectively arranged with edge constraint post 1 and restricted joint angle post 6 at the edge of concrete shear force wall or corner, one group of longitudinal restraint post 2 is provided between edge constraint post 1 or between edge constraint post 1 and restricted joint angle post 6, concrete shear along story height direction is respectively arranged with lateral confinement beam 3 for per layer within the walls, transversely distributed steelbar 4 is provided between lateral confinement beam 3, described 3 two ends of lateral confinement beam are connected with edge constraint post 1, it is connected with longitudinal restraint post or restricted joint angle post 6 in the middle of which；Described transversely distributed steelbar 4 is a pair of parallel reinforcing bar, its two ends is bundled on edge constraint post 1 or restricted joint angle post 6, and be connected with edge constraint post 1, restricted joint angle post 6 and longitudinal restraint post 2, for being provided only with the unconfinement wall section 5 of transversely distributed steelbar 4 between constraint post and restained beam, after pouring the concrete of shear wall, forming region confined concrete shear wall structure.
When region constrained concrete shear wall is made, referring to Fig. 1 and Fig. 2, edge reinforcement cage and corner steel reinforcement cage are respectively provided with first at the edge of concrete shear force wall and corner, while arranging one group of longitudinal reinforcement cage between edge reinforcement cage or between edge reinforcement cage and corner steel reinforcement cage, referring to Fig. 3, when concrete shear force wall stress is compared with hour, edge reinforcement cage and longitudinal reinforcement cage adopt sleeper form of reinforcement, described sleeper form of reinforcement is to produce more than 2 layers of the stirrup layer being made up of square closed stirrup 9 on longitudinal reinforcement 8, four corners of square closed stirrup 9 are provided with longitudinal reinforcement 8；Referring to Fig. 4, when concrete shear force wall stress is larger, edge reinforcement cage adopts newel post's form of reinforcement, described newel post's form of reinforcement is to produce more than 2 layers of the stirrup layer being made up of rectangle closed stirrup 7 on longitudinal reinforcement 8, every layer of stirrup layer is all a big rectangle being superimposed with each other by four 7 head and the tail of rectangle closed stirrup, is provided with four piece longitudinal reinforcements 8 in the grid for being formed at 7 overlapping of each two rectangle closed stirrup；Referring to Fig. 5, described corner steel reinforcement cage is to produce more than 2 layers of the stirrup layer being made up of 7 stirrup of rectangular Shape closed on longitudinal reinforcement 8, every layer of stirrup layer is vertically formed by stacking by two rectangle closed stirrups, 7 head and the tail, is provided with four longitudinal reinforcements 8 in the grid for being formed at two 7 overlappings of rectangle closed stirrup.Now, per layer of the short transverse along longitudinal reinforcement cage arranges the above transverse steel cage of twice, referring to Fig. 6, described transverse steel cage is to produce more than 2 layers of the stirrup layer being made up of square closed stirrup 9 on transverse steel 10, four corners of square closed stirrup 9 are provided with transverse steel 10, so that transverse steel cage and 4 two ends of transversely distributed steelbar is connected with corner steel reinforcement cage；While arranging transversely distributed steelbar 4 between transverse steel cage, and so that transverse steel cage and 4 two ends of transversely distributed steelbar is connected with edge reinforcement cage, intermediate portion position is connected with longitudinal reinforcement cage or corner steel reinforcement cage, make edge reinforcement cage or corner steel reinforcement cage, longitudinal reinforcement cage and transverse steel cage connect into an entirety, then according to conventional method casting concrete, after concrete reaches design strength, formed with edge constraint post 1 or restricted joint angle post 6, longitudinal restraint post 2 and lateral confinement beam 3 are main support system, and with 5 cooperative shear wall structure of unconfinement wall section.Therefore, shear wall is divided into constraint section and is made up of and unconfinement wall section 5 edge constraint post 1, restricted joint angle post 6, longitudinal restraint post 2 and lateral confinement beam 3 by the region constrained concrete shear wall of the present invention, under rarely occurred earthquake effect, if shear wall is destroyed, 5 concrete of unconfinement wall section first can be crushed, it is gradually backed out work, formed as opened the function perps, then reinforcement yielding in section is constrained, concrete disintegrating, twice defence line is defined, and damage -form is changed into bending failure, so as to substantially increase the shock resistance of body of wall.Therefore, the region constrained concrete structure of the present invention can effectively reduce concrete structure member section, increase house and use space, simultaneously as member section reduces, deadweight reduces, and earthquake response also reduces further.
Claims (8)
1. a kind of region constrained concrete shear wall, it is characterised in that：
Edge constraint post is respectively arranged with the edge of concrete shear force wall or corner（1）With restricted joint angle post（6）, in edge constraint post（1）Between or edge constraint post（1）With restricted joint angle post（6）Between be provided with one group of longitudinal restraint post（2）, the concrete shear along story height direction is respectively arranged with lateral confinement beam for per layer within the walls（3）, in lateral confinement beam（3）Between be provided with transversely distributed steelbar（4）, for being provided only with transversely distributed steelbar between constraint post and restained beam（4）Unconfinement wall section（5）, after pouring the concrete of shear wall, forming region confined concrete shear wall structure.
2. region constrained concrete shear wall according to claim 1, it is characterised in that：Described lateral confinement beam（3）Two ends and edge constraint post（1）Connection, with longitudinal restraint post or restricted joint angle post in the middle of which（6）Connection.
3. region constrained concrete shear wall according to claim 1, it is characterised in that：Described transversely distributed steelbar（4）For a pair of parallel reinforcing bar, its two ends is bundled in edge constraint post（1）Or restricted joint angle post（6）On, and with edge constraint post（1）, restricted joint angle post（6）And longitudinal restraint post（2）Connection.
4. a kind of preparation method of region constrained concrete shear wall, it is characterised in that：When region constrained concrete shear wall is made，Edge reinforcement cage and corner steel reinforcement cage are respectively provided with first at the edge of concrete shear force wall and corner，While arranging one group of longitudinal reinforcement cage between edge reinforcement cage or between edge reinforcement cage and corner steel reinforcement cage，Then per layer of the short transverse along longitudinal reinforcement cage arranges the above transverse steel cage of twice and arranges transversely distributed steelbar between transverse steel cage，And so that transverse steel cage and transversely distributed steelbar two ends is connected with edge reinforcement cage，It is connected with longitudinal reinforcement cage or corner steel reinforcement cage in the middle of which，Make edge reinforcement cage or corner steel reinforcement cage、Longitudinal reinforcement cage and transverse steel cage connect into an entirety，Then according to conventional method casting concrete，After concrete reaches design strength，Formed with edge constraint post or restricted joint angle post、Longitudinal restraint post and lateral confinement beam are main support system，And with the cooperative shear wall structure of unconfinement wall section.
5. the preparation method of region constrained concrete shear wall according to claim 4, it is characterised in that：When concrete shear force wall stress is compared with hour, edge reinforcement cage and longitudinal reinforcement cage adopt sleeper form of reinforcement, described sleeper form of reinforcement is to produce more than 2 layers of the stirrup layer being made up of square closed stirrup on longitudinal reinforcement, and four corners of square closed stirrup are provided with longitudinal reinforcement.
6. the preparation method of region constrained concrete shear wall according to claim 4, it is characterised in that：When concrete shear force wall stress is larger, edge reinforcement cage adopts newel post's form of reinforcement, described newel post's form of reinforcement is to produce more than 2 layers of the stirrup layer being made up of rectangle closed stirrup on longitudinal reinforcement, every layer of stirrup layer is all a big rectangle being superimposed with each other by four rectangle closed stirrup head and the tail, is provided with four piece longitudinal reinforcements in the grid for being formed at each two rectangle closed stirrup overlapping.
7. the preparation method of region constrained concrete shear wall according to claim 4, it is characterised in that：Described corner steel reinforcement cage is to produce more than 2 layers of the stirrup layer being made up of rectangle closed stirrup on longitudinal reinforcement, every layer of stirrup layer is vertically formed by stacking by two rectangle closed stirrup head and the tail, is provided with four longitudinal reinforcements in the grid for being formed at two rectangle closed stirrup overlappings.
8. the preparation method of region constrained concrete shear wall according to claim 4, it is characterised in that：Described transverse steel cage is to produce more than 2 layers of the stirrup layer being made up of square closed stirrup on transverse steel, and four corners of square closed stirrup are provided with transverse steel.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107908822A (en) * | 2017-10-20 | 2018-04-13 | 广东省建筑设计研究院 | The design method of prefabricated doubly-linked beam in a kind of overall assembled shear wall building structure |
| CN109914678A (en) * | 2019-04-17 | 2019-06-21 | 上海市房屋建筑设计院有限公司 | A kind of corner wall of self-heat conserving quoin and its construction |
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| CN103883034A (en) * | 2014-03-14 | 2014-06-25 | 东南大学 | Assembled shear wall and wall-beam connecting structure with edge restraining component |
| CN203808294U (en) * | 2014-04-04 | 2014-09-03 | 昆明理工大学 | Hollow reinforced concrete shear wall with end posts with continuous spiral stirrups |
| CN205000494U (en) * | 2015-09-02 | 2016-01-27 | 贵州建工集团第四建筑工程有限责任公司 | Range constraint concrete shear force wall |
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- 2015-09-02 CN CN201510553738.5A patent/CN106480998A/en active Pending
Patent Citations (6)
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| CN1804264A (en) * | 2006-01-18 | 2006-07-19 | 北京工业大学 | Profiled short-pier shear wall with rung steel bar support |
| CN101435232A (en) * | 2008-12-12 | 2009-05-20 | 北京工业大学 | Common concrete frame column restricted type regeneration concrete shear force wall and manufacturing method thereof |
| CN103590514A (en) * | 2013-11-04 | 2014-02-19 | 盐城工学院 | Densely-arrayed spiral stirrup confined concrete shear wall structure and construction method thereof |
| CN103883034A (en) * | 2014-03-14 | 2014-06-25 | 东南大学 | Assembled shear wall and wall-beam connecting structure with edge restraining component |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107908822A (en) * | 2017-10-20 | 2018-04-13 | 广东省建筑设计研究院 | The design method of prefabricated doubly-linked beam in a kind of overall assembled shear wall building structure |
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| CN109914678A (en) * | 2019-04-17 | 2019-06-21 | 上海市房屋建筑设计院有限公司 | A kind of corner wall of self-heat conserving quoin and its construction |
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