CN106480998B - Regional constraint concrete shear wall and manufacturing method thereof - Google Patents
Regional constraint concrete shear wall and manufacturing method thereof Download PDFInfo
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- CN106480998B CN106480998B CN201510553738.5A CN201510553738A CN106480998B CN 106480998 B CN106480998 B CN 106480998B CN 201510553738 A CN201510553738 A CN 201510553738A CN 106480998 B CN106480998 B CN 106480998B
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- 239000004567 concrete Substances 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 230000002787 reinforcement Effects 0.000 claims description 109
- 238000000034 method Methods 0.000 claims description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 238000007796 conventional method Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000004044 response Effects 0.000 abstract description 3
- 230000035939 shock Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention discloses a regional constraint concrete shear wall and a manufacturing method thereof, wherein edge constraint columns and corner constraint columns are respectively arranged at edges or corners of the concrete shear wall, a group of longitudinal constraint columns are arranged between the edge constraint columns or between the edge constraint columns and the corner constraint columns, transverse constraint beams and transverse distribution steel bars are respectively arranged in each layer of the concrete shear wall along the height direction of a floor, non-constraint wall sections only provided with the transverse distribution steel bars are arranged between the constraint columns and the constraint beams, and a regional constraint concrete shear wall structure is formed after concrete of the shear wall is poured. The regional constraint concrete structure can effectively reduce the cross section of the concrete structure member and increase the using space of a house, and meanwhile, the self weight is reduced and the earthquake response is further reduced due to the reduction of the cross section of the member.
Description
Technical Field
The invention relates to a regional constraint concrete shear wall and a manufacturing method thereof, and belongs to the technical field of building construction.
Background
In reinforced concrete structures, shear walls and short limb walls are widely used, but no matter the shear walls or the short limb walls are provided with hidden columns except for end parts and corners, the stirrups in the middle section of the member are pulled and connected by adopting tie bars, so that the joint working efficiency of concrete and steel bars cannot be fully exerted, and the bearing capacity and the shock resistance of the wall body are reduced.
Disclosure of Invention
The invention aims at: the regional constraint concrete shear wall and the manufacturing method thereof have the advantages of high constraint efficiency, good bearing capacity and shock resistance, and stronger initial rigidity and energy consumption than the common shear wall, so as to overcome the defects of the prior art.
The technical scheme of the invention is as follows: the regional constraint concrete shear wall is characterized in that edge constraint columns and corner constraint columns are respectively arranged at edges or corners of the concrete shear wall, a group of longitudinal constraint columns are arranged between the edge constraint columns or between the edge constraint columns and the corner constraint columns, transverse constraint beams are respectively arranged on each layer of the concrete shear wall along the height direction of a floor, transverse distribution reinforcing steel bars are arranged between the transverse constraint beams, non-constraint wall sections only provided with the transverse distribution reinforcing steel bars are arranged between the constraint columns and the constraint beams, and a regional constraint concrete shear wall structure is formed after concrete of the shear wall is poured.
The two ends of the transverse constraint beam are connected with the edge constraint columns, and the middle of the transverse constraint beam is connected with the longitudinal constraint columns or the corner constraint columns.
The transverse distribution steel bars are a pair of parallel steel bars, and two ends of the transverse distribution steel bars are bound on the edge constraint column or the corner constraint column and are connected with the edge constraint column, the corner constraint column and the longitudinal constraint column.
The method comprises the steps of firstly, arranging edge reinforcement cages and corner reinforcement cages on the edge and the corner of the concrete shear wall respectively, arranging a group of longitudinal reinforcement cages between the edge reinforcement cages or between the edge reinforcement cages and the corner reinforcement cages, arranging more than two transverse reinforcement cages and transverse distribution reinforcement cages between the transverse reinforcement cages along the height direction of the longitudinal reinforcement cages, connecting the two ends of the transverse reinforcement cages and the transverse distribution reinforcement cages with the edge reinforcement cages, connecting the middle of the transverse reinforcement cages and the transverse reinforcement cages with the longitudinal reinforcement cages or the corner reinforcement cages, connecting the edge reinforcement cages or the corner reinforcement cages, the longitudinal reinforcement cages and the transverse reinforcement cages into a whole, pouring concrete according to a conventional method, and forming a shear wall structure which takes edge constraint columns or corner constraint columns, longitudinal constraint columns and transverse constraint beams as a main supporting system and works together with non-constraint wall segments after the concrete reaches the design strength.
In the method, when the stress of the concrete shear wall is small, the edge reinforcement cage and the longitudinal reinforcement cage adopt a hidden column reinforcement form, wherein the hidden column reinforcement form is to manufacture more than 2 layers of stirrup layers consisting of square closed stirrups on the longitudinal reinforcement, and the longitudinal reinforcement is arranged at four corners of the square closed stirrups.
In the method, when the concrete shear wall is stressed greatly, the edge reinforcement cage adopts an end column reinforcement form, wherein the end column reinforcement form is to manufacture more than 2 layers of stirrup layers consisting of rectangular closed stirrups on longitudinal reinforcement, each stirrup layer is a large rectangle formed by overlapping four rectangular closed stirrups end to end, and four longitudinal reinforcement bars are arranged in square grids formed at the overlapped positions of every two rectangular closed stirrups.
The corner reinforcement cage is characterized in that more than 2 layers of stirrup layers consisting of rectangular closed stirrups are manufactured on the longitudinal reinforcement, each stirrup layer is formed by vertically overlapping two rectangular closed stirrups end to end, and four longitudinal reinforcement bars are arranged in square grids formed at overlapping positions of the two rectangular closed stirrups.
The transverse reinforcement cage is characterized in that more than 2 layers of stirrup layers consisting of square closed stirrups are manufactured on the transverse reinforcement, and the transverse reinforcement is arranged at four corners of the square closed stirrups.
By adopting the technical scheme, the invention has the advantages that: according to the invention, the longitudinal bars and the stirrups in the shear wall are formed into the restrained hidden columns and the restrained hidden beams according to the column reinforcement mode by utilizing the regional restraint principle, so that the bearing capacity and the energy consumption capacity of the shear wall can be greatly improved. Compared with the common concrete shear wall, the regional constraint concrete shear wall has higher constraint efficiency, the concrete strength is fully utilized due to the transformation of a constraint mechanism, the bearing capacity of the wall section is improved, and the regional constraint concrete shear wall has higher initial rigidity, higher energy consumption capacity, better ductility and better shock resistance than the common shear wall. In addition, the regional constraint concrete shear wall divides the shear wall into the constraint section and the non-constraint section, if the shear wall is damaged under the rare earthquake action, firstly, the non-constraint section concrete is broken and gradually exits from the work, the overall rigidity of the shear wall is reduced but the bearing capacity is reduced slowly, then the constraint beams and the constraint columns are gradually yielded and damaged, and the ductility performance during the damage is more outstanding, so that the earthquake resistance of the wall is greatly improved. Therefore, the regional constraint concrete structure can effectively reduce the cross section of the concrete structure member and increase the using space of a house, and meanwhile, the self weight is reduced and the earthquake response is further reduced due to the reduction of the cross section of the member.
Drawings
FIG. 1 is a cross-sectional view of a schematic of a regional confined concrete shear wall structure of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
Fig. 3 is a schematic structural view of the edge reinforcement cage of the present invention in the form of a hidden column reinforcement;
Fig. 4 is a schematic view of the structure of the edge reinforcement cage of the present invention in the form of end column reinforcement
Fig. 5 is a schematic structural view of the corner reinforcement cage of the present invention;
Fig. 6 is a schematic structural view of the transverse reinforcement cage of the present invention.
Reference numerals illustrate: the device comprises a 1-edge constraint column, a 2-longitudinal constraint column, a 3-transverse constraint beam, 4-transverse distribution steel bars, 5-non-constraint wall sections, 6-corner constraint columns, 7-rectangular closed stirrups, 8-longitudinal steel bars, 9-square closed stirrups and 10-transverse steel bars.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent.
Embodiments of the invention: the structural schematic diagrams of the regional constraint concrete shear wall are shown in fig. 1 and 2, wherein edge constraint columns 1 and corner constraint columns 6 are respectively arranged at edges or corners of the concrete shear wall, a group of longitudinal constraint columns 2 are arranged between the edge constraint columns 1 or between the edge constraint columns 1 and the corner constraint columns 6, transverse constraint beams 3 are respectively arranged in each layer of the concrete shear wall along the height direction of the floor, transverse distribution steel bars 4 are arranged between the transverse constraint beams 3, two ends of each transverse constraint beam 3 are connected with the edge constraint columns 1, and the middle of each transverse constraint beam is connected with the longitudinal constraint columns or the corner constraint columns 6; the transverse distribution steel bars 4 are a pair of parallel steel bars, two ends of the transverse distribution steel bars are bound on the edge constraint columns 1 or the corner constraint columns 6 and are connected with the edge constraint columns 1, the corner constraint columns 6 and the longitudinal constraint columns 2, non-constraint wall sections 5 only provided with the transverse distribution steel bars 4 are arranged between the constraint columns and the constraint beams, and after the concrete of the shear wall is poured, an area constraint concrete shear wall structure is formed.
When the area-constrained concrete shear wall is manufactured, referring to fig. 1 and 2, firstly, edge reinforcement cages and corner reinforcement cages are respectively arranged at the edges and corners of the concrete shear wall, a group of longitudinal reinforcement cages are arranged between the edge reinforcement cages or between the edge reinforcement cages and the corner reinforcement cages, referring to fig. 3, when the stress of the concrete shear wall is smaller, the edge reinforcement cages and the longitudinal reinforcement cages adopt a hidden column reinforcement form, wherein the hidden column reinforcement form is that more than 2 layers of stirrups consisting of square closed stirrups 9 are manufactured on longitudinal reinforcements 8, and longitudinal reinforcements 8 are arranged at four corners of the square closed stirrups 9; referring to fig. 4, when the concrete shear wall is stressed greatly, the edge reinforcement cage adopts an end column reinforcement form, wherein the end column reinforcement form is that more than 2 layers of stirrup layers formed by rectangular closed stirrups 7 are manufactured on longitudinal reinforcements 8, each layer of stirrup layer is a large rectangle formed by overlapping four rectangular closed stirrups 7 from head to tail, and four longitudinal reinforcements 8 are arranged in square grids formed at the overlapping positions of every two rectangular closed stirrups 7; referring to fig. 5, the corner reinforcement cage is characterized in that more than 2 layers of stirrup layers formed by rectangular closed stirrups 7 are manufactured on longitudinal reinforcement 8, each layer of stirrup layer is formed by vertically overlapping two rectangular closed stirrups 7 from beginning to end, and four longitudinal reinforcement 8 are arranged in a square formed at the overlapping position of the two rectangular closed stirrups 7. At this time, more than two transverse reinforcement cages are arranged on each layer along the height direction of the longitudinal reinforcement cage, referring to fig. 6, more than 2 layers of stirrup layers consisting of square closed stirrups 9 are manufactured on the transverse reinforcement cages 10, and the transverse reinforcement cages 10 are arranged at four corners of the square closed stirrups 9, so that the two ends of the transverse reinforcement cages and the transverse distribution reinforcement 4 are fixedly connected with the corner reinforcement cages; meanwhile, transverse distribution steel bars 4 are arranged between the transverse steel bar cages, two ends of the transverse steel bar cages and the transverse distribution steel bars 4 are connected with the edge steel bar cages, the middle parts of the transverse steel bar cages and the transverse distribution steel bar cages are connected with the longitudinal steel bar cages or the corner steel bar cages, the edge steel bar cages or the corner steel bar cages, the longitudinal steel bar cages and the transverse steel bar cages are connected into a whole, then concrete is poured according to a conventional method, and after the concrete reaches the design strength, a shear wall structure which takes the edge constraint column 1 or the corner constraint column 6, the longitudinal constraint column 2 and the transverse constraint beam 3 as a main support system and works together with the non-constraint wall section 5 is formed. Therefore, the regional constraint concrete shear wall divides the shear wall into constraint sections, namely an edge constraint column 1, a corner constraint column 6, a longitudinal constraint column 2 and a transverse constraint beam 3 and an unconstrained wall section 5, if the shear wall is damaged under the rare earthquake action, firstly, the unconstrained wall section 5 concrete is broken and gradually exits from working to form the function as a vertical joint, then, the steel bars in the constraint sections are yielded, the concrete is broken, two defense lines are formed, and the damage form is changed into bending damage, so that the shock resistance of the wall is greatly improved. Therefore, the regional constraint concrete structure can effectively reduce the cross section of the concrete structure member and increase the using space of a house, and meanwhile, the self weight is reduced and the earthquake response is further reduced due to the reduction of the cross section of the member.
Claims (8)
1. The regional constraint concrete shear wall is characterized in that: edge constraint columns (1) and corner constraint columns (6) are respectively arranged at edges or corners of the concrete shear wall, a group of longitudinal constraint columns (2) are arranged between the edge constraint columns (1) or between the edge constraint columns (1) and the corner constraint columns (6), transverse constraint beams (3) are respectively arranged on each layer of the concrete shear wall in the height direction of the floor, transverse distribution reinforcing steel bars (4) are arranged between the transverse constraint beams (3), non-constraint wall sections (5) only provided with the transverse distribution reinforcing steel bars (4) are arranged between the constraint columns and the constraint beams, and after concrete of the shear wall is poured, an area constraint concrete shear wall structure is formed.
2. The regional confined concrete shear wall of claim 1, wherein: two ends of the transverse constraint beam (3) are connected with the edge constraint column (1), and the middle of the transverse constraint beam is connected with the longitudinal constraint column or the corner constraint column (6).
3. The regional confined concrete shear wall of claim 1, wherein: the transverse distribution steel bars (4) are a pair of parallel steel bars, and two ends of the transverse distribution steel bars are bound on the edge constraint column (1) or the corner constraint column (6) and are connected with the edge constraint column (1), the corner constraint column (6) and the longitudinal constraint column (2).
4. A manufacturing method of a regional constraint concrete shear wall is characterized by comprising the following steps: when the regional constraint concrete shear wall is manufactured, firstly, edge reinforcement cages and corner reinforcement cages are respectively arranged at the edges and corners of the concrete shear wall, a group of longitudinal reinforcement cages are arranged between the edge reinforcement cages or between the edge reinforcement cages and the corner reinforcement cages, then more than two transverse reinforcement cages are arranged along each layer of the longitudinal reinforcement cages in the height direction, transverse distribution reinforcement is arranged between the transverse reinforcement cages, two ends of each transverse reinforcement cage and each transverse distribution reinforcement are connected with the edge reinforcement cages, the middle of each transverse reinforcement cage is connected with the longitudinal reinforcement cage or the corner reinforcement cage, the edge reinforcement cages or the corner reinforcement cages, the longitudinal reinforcement cages and the transverse reinforcement cages are connected into a whole, concrete is poured according to a conventional method, and after the concrete reaches the design strength, a shear wall structure which takes edge constraint columns or corner constraint columns, longitudinal constraint columns and transverse constraint beams as main support systems and works together with non-constraint wall sections is formed.
5. The method for manufacturing the regional confined concrete shear wall according to claim 4, wherein: when the stress of the concrete shear wall is smaller, the edge reinforcement cage and the longitudinal reinforcement cage adopt a hidden column reinforcement form, wherein the hidden column reinforcement form is to manufacture more than 2 layers of stirrup layers consisting of square closed stirrups on the longitudinal reinforcement, and the longitudinal reinforcement is arranged at four corners of the square closed stirrups.
6. The method for manufacturing the regional confined concrete shear wall according to claim 4, wherein: when the concrete shear wall is stressed greatly, the edge reinforcement cage adopts an end column reinforcement form, the end column reinforcement form is to manufacture more than 2 layers of stirrup layers formed by rectangular closed stirrups on longitudinal reinforcement, each layer of stirrup layer is a large rectangle formed by overlapping four rectangular closed stirrups end to end, and four longitudinal reinforcement are arranged in square grids formed at the overlapping positions of every two rectangular closed stirrups.
7. The method for manufacturing the regional confined concrete shear wall according to claim 4, wherein: the corner reinforcement cage is characterized in that more than 2 layers of stirrup layers consisting of rectangular closed stirrups are manufactured on longitudinal reinforcement, each stirrup layer is formed by vertically overlapping two rectangular closed stirrups end to end, and four longitudinal reinforcement bars are arranged in square grids formed at overlapping positions of the two rectangular closed stirrups.
8. The method for manufacturing the regional confined concrete shear wall according to claim 4, wherein: the transverse reinforcement cage is characterized in that more than 2 layers of stirrup layers consisting of square closed stirrups are manufactured on transverse reinforcement, and transverse reinforcement is arranged at four corners of the square closed stirrups.
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| CN201510553738.5A CN106480998B (en) | 2015-09-02 | 2015-09-02 | Regional constraint concrete shear wall and manufacturing method thereof |
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| CN201510553738.5A CN106480998B (en) | 2015-09-02 | 2015-09-02 | Regional constraint concrete shear wall and manufacturing method thereof |
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| CN106480998B true CN106480998B (en) | 2024-05-24 |
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| CN107908822B (en) * | 2017-10-20 | 2020-12-22 | 广东省建筑设计研究院有限公司 | Design method of prefabricated double-connecting beam in integrally-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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| 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 |
| 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/CN106480998B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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