CN106836556A - A kind of composite reinforcing steel bar cage truss support shear wall - Google Patents
A kind of composite reinforcing steel bar cage truss support shear wall Download PDFInfo
- Publication number
- CN106836556A CN106836556A CN201710159935.8A CN201710159935A CN106836556A CN 106836556 A CN106836556 A CN 106836556A CN 201710159935 A CN201710159935 A CN 201710159935A CN 106836556 A CN106836556 A CN 106836556A
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- shear wall
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- steel bar
- steel reinforcement
- bar
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- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 111
- 239000010959 steel Substances 0.000 claims abstract description 111
- 230000002787 reinforcement Effects 0.000 claims abstract description 99
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 32
- 238000009826 distribution Methods 0.000 claims abstract description 29
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 10
- 210000003205 muscle Anatomy 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 239000004567 concrete Substances 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 241001669679 Eleotris Species 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The present invention relates to a kind of composite reinforcing steel bar cage truss support shear wall, reinforced concrete shear wall includes framework of steel reinforcement and concrete, the characteristics of framework of steel reinforcement is in addition to the edge stirrup set except conventional distributing reinforcement and according to code requirement also to include inverted V-shaped steel reinforcement cage truss and be arranged on the X-shaped steel reinforcement cage truss of shear wall body middle and lower part, and inverted V-shaped steel reinforcement cage truss is connected with X-shaped steel reinforcement cage truss.Compared with prior art, the result that the present invention draws from shear wall topological optimization, the steel reinforcement cage truss arranged mainly receives power path for shear wall.Composite truss is arranged on by power path, can obtain significant bearing capacity with the increase of a small amount of reinforcing bar is lifted.This composite truss reinforced concrete shear wall has more reasonably material distribution form, greatly optimizes the stress distribution of common shear wall, can significantly improve the bearing capacity of shear wall body, ductility, energy dissipation capacity.
Description
Technical field
The present invention relates to structural engineering field, and in particular to a kind of composite reinforcing steel bar cage truss support shear wall.
Background technology
With the quickening of social city's process, and China human mortality density is big, and city is developed to high-altitude, and high-rise Super High is built
Build Quantity increasing.Reinforced concrete shear wall has good vertical bearing capacity and good level to shock resistance
Can, it is used widely in high-rise and high-rise building.
Normal concrete shear wall is usually to be made up of front two rows distribution bar mesh sheet, needs or is important to when having to construct
Edge member can be formed when asking in shear wall edge colligation border seal stirrup.Under vertical and horizontal loads, shear wall
It is a kind of curved scissors damage type component.Because the tensile capacity of concrete is poor, the edge of shear wall will under horizontal loads
As weakness zone.Shear wall with heavy edge reinforcement cage can play preferable improvement result to this case.This is specially
The profit composite truss reinforced concrete shear wall structure grows up on the basis of normal concrete shear wall structure
A kind of bearing carrier with more excellent stress performance.It can give full play to the performance of material, with normal concrete shear wall knot
Structure is compared, and with more preferable seismic bearing capacity, deformation performance and energy dissipation capacity, is adapted to various in multilayer, high level, Super High etc.
Applied in building.
Patent CN102704594 discloses a kind of built-in " many steel plate-supports " compound shear wall of shaped steel folding frame post, i.e.,
Shaped steel folding frame post is set at wall two ends, in many steel plates in wall inside plus with concealed bracings steel plate.Patent CN103184774 is public
A kind of single-row reinforcement concrete shear force wall with diagonal bar is intersected and preparation method thereof is opened, using normal concrete, and in shearing
Wall two ends set sleeper, and sleeper stirrup is being encrypted in the wall high scope of shear wall bottom surface 1/3, except equipped with shear wall horizontal reinforcement
It is also equipped with intersecting oblique reinforcing bar while constituting bar-mat reinforcement with longitudinal reinforcement, intersects oblique reinforcing bar with horizontal reinforcement into 60 degree of folders
Angle, outermost intersection oblique reinforcing bar is concrete protective thickness with distance of the shear wall body bottom surface intersection away from wall outer surface
Degree, intersects oblique reinforcing bar lower anchor in basis, and upper anchorage uses symmetric reinforcement form in dark beam or sleeper.Specially
Sharp CN2775170 discloses a kind of built-in lattice type steel bar hidden support shear wall, is made up of frame columns and shear wall slab, in shearing
The bar-mat reinforcement being made up of horizontal and vertical distribution bar is configured in wallboard, on the inside of bar-mat reinforcement or outside adds and tiltedly propped up equipped with reinforcing bar
Support, when using double arrangement of reinforcement, is socketed with socketing reinforcing bar between bar-mat reinforcement, it is characterised in that：Using oblique reinforcing bar beam, thereon
It has been provided with the welding short steel rod of use lattice or oblique abdomen muscle the formula arrangement of effect of contraction.On the inside of shear wall slab bar-mat reinforcement or
The reinforcing bar bearing diagonal that person outside is fixedly mounted with is in herringbone, X or splayed.
But, above-mentioned these shear walls, the arrangement of its steel reinforcement cage is not up to optimized, and result in shear wall material
Utilization ratio is not high, and the service behaviour of shear wall is not reaching to best.
The content of the invention
The purpose of the present invention is exactly the one kind proposed to further improve the load-carrying properties of reinforced concrete shear wall
Arrangement is more reasonable, the more preferable composite reinforcing steel bar cage truss support shear wall of rigidity, intensity.
The present invention can be achieved through the following technical solutions：A kind of composite reinforcing steel bar cage truss support shear wall, the steel
Reinforced concrete shear wall includes framework of steel reinforcement and concrete, and the upper end or lower end of shear wall can arrange dark beam, described reinforcing bar
The framework of steel reinforcement of concrete shear force wall includes vertical distribution bar, horizontal distribution reinforcing bar and is arranged in the edge of shear wall both sides
Constraint steel reinforcement cage, described framework of steel reinforcement includes the X-shaped steel reinforcement cage truss of the inverted V-shaped steel reinforcement cage truss and bottom on top.
According to the topological optimization result of common shearing, stress road of the shear wall in loading process can be clearly drawn
Footpath, in order that shear wall has more preferable service behaviour, the method taken is that stress path is strengthened using framework of steel reinforcement.
Framework of steel reinforcement after change causes that shear wall is integrated with more preferable intensity and ductility.
Described inverted V-shaped steel reinforcement cage truss includes two diagonally disposed steel bar girders, each reinforcing bar purlin
One end of frame is located at shear wall top edge middle part, can be anchored in the dark beam in shear wall top, an other end position for steel bar girder
In wall side middle and upper part.
A steel bar girder described in each includes a diagonally disposed longitudinal reinforcement and for fixing this number
A number stirrup of longitudinal reinforcement, the arranged direction of a longitudinal reinforcement is identical with a steel bar girder, a stirrup and
Number longitudinal reinforcement is vertical.
The tip contact of two steel bar girders of the inverted V-shaped steel reinforcement cage truss is separated, when two reinforcing bars
During the tip contact of truss, the inverted V-shaped steel reinforcement cage truss is in inverted V-shaped, when two tops for steel bar girder separate, institute
Inverted V-shaped steel reinforcement cage truss is stated in splayed.
The X-shaped steel reinforcement cage truss includes two No. two steel bar girders of cross-distribution, each No. two lower end of reinforcing bar
Positioned at shear wall bottom at side edge, No. two upper ends of steel reinforcement cage are located at the side edge of wall other side.
No. two described steel bar girders include support No. two steel bar girder No. two longitudinal reinforcements and for fix this two
No. two stirrups of number longitudinal reinforcement.
The bottom of two No. two steel bar girders is provided with the connection for strengthening No. two steel bar girders and shear wall bottom
And reduce the haunch reinforcing bar of stress concentration, No. two steel bar girder bottoms can be anchored in shear wall side edge constraint steel reinforcement cage or
It is anchored in the dark beam in shear wall bottom.
Diagonally disposed inverted V-shaped and X-shaped steel reinforcement cage truss are received on power path because being arranged on it, can undertake suitable one
The vertical and horizontal loading of Partial Shear wall, the bearing capacity to improving shear wall, and simultaneously effective transmission upper load rises
To vital effect.
The framework of steel reinforcement of described reinforced concrete shear wall includes vertical distribution bar, horizontal distribution reinforcing bar and arrangement
In the edge constraint steel reinforcement cage of shear wall both sides, with the vertical distribution bar and the vertical direction of horizontal distribution reinforcing bar
Tension rib is set, and the lower end of the inverted V-shaped steel reinforcement cage truss and the two ends of X-shaped steel reinforcement cage truss can be with the edge constraints
Steel reinforcement cage is fixed.
Inverted V-shaped steel reinforcement cage truss and X-shaped steel reinforcement cage truss by steel wire and vertical distribution bar, horizontal distribution reinforcing bar and
The colligation of edge constraint steel reinforcement cage together, forms integrated framework of steel reinforcement.
Compared with prior art, beneficial effects of the present invention are embodied in：Optimize the arrangement of common shear force wall reinforcing steel bar skeleton,
Steel reinforcement cage truss is arranged on shear wall stress bang path, steel bar stress is more reasonably distributed so that wall is in stress
Component performance on bang path is effectively strengthened, and the bearing capacity of wall, ductility, power consumption are further enhanced.
Brief description of the drawings
Fig. 1 is the structural representation of framework of steel reinforcement of the present invention；
Fig. 2 is the schematic cross-section of 1-1 in Fig. 1.
Wherein, 11 is a longitudinal reinforcement, and 12 is a stirrup, and 13 is horizontal distribution reinforcing bar, and 14 is No. two longitudinal reinforcements,
15 is No. two stirrups, and 16 is edge constraint steel reinforcement cage, and 17 is tension rib, and 18 is vertical distribution bar.
Specific embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed implementation method and specific operating process, but protection scope of the present invention is not limited to following implementations
Example.
Embodiment
A kind of composite reinforcing steel bar cage truss support shear wall, as shown in Figure 1 and Figure 2, reinforced concrete wall includes reinforcing bar to its structure
Skeleton and concrete.
Wherein, framework of steel reinforcement includes inverted V-shaped steel reinforcement cage truss and X-shaped steel reinforcement cage truss.
Inverted V-shaped steel reinforcement cage truss includes two diagonally disposed steel bar girders, each No. one the one of steel bar girder
End is located at shear wall top edge middle part, can be anchored in the dark beam in shear wall top, and an other end for steel bar girder is located at wall
Side middle and upper part.
A steel bar girder described in each includes a diagonally disposed longitudinal reinforcement 11 and for fixing No. one
A number stirrup 12 of longitudinal reinforcement 11 a, arranged direction for longitudinal reinforcement 11 is identical with a steel bar girder, a stirrup 12
It is vertical with a longitudinal reinforcement 11.Wherein, a model of longitudinal reinforcement 11 used by a steel bar girder can be common hot-rolled strip
Rib reinforcement, such as HRB400, diameter 10mm, it is also possible to high strength cast iron；The model of a stirrup 12 used can be normal light circle one
Level reinforcing bar, such as HPB300, diameter 6mm.
X-shaped steel reinforcement cage truss includes two No. two steel bar girders of cross-distribution, the lower end position of each No. two steel reinforcement cage
In shear wall bottom at side edge, No. two upper ends of steel reinforcement cage are located at the side edge of wall other side.No. two steel
Muscle truss includes No. two steel bar girder No. two longitudinal reinforcements 14 of support and for fixing No. two longitudinal reinforcement 14 No. two hoops
Muscle 15.
The model HRB400 of the reinforcing bar used by No. two longitudinal reinforcements 14, diameter 10mm, No. two models of stirrup 15
HPB300, diameter 6mm.
Framework of steel reinforcement also including vertical direction vertical distribution bar 18 and horizontal distribution reinforcing bar 13, in the horizontal plane with
Vertical distribution bar 18 and the vertical side of horizontal distribution reinforcing bar 13 set up tension rib 17.Also set at the two ends of framework of steel reinforcement
There is edge constraint steel reinforcement cage 16
Model HRB400, diameter 10mm used by vertical distribution bar 18, the model used by horizontal distribution reinforcing bar 13
HPB300, diameter 6mm.
Claims (9)
1. a kind of composite reinforcing steel bar cage truss support shear wall, the reinforced concrete shear wall includes framework of steel reinforcement and coagulation
Soil, the upper end or lower end of shear wall can arrange dark beam, and the framework of steel reinforcement of described reinforced concrete shear wall includes vertical distribution
Reinforcing bar, horizontal distribution reinforcing bar and it is arranged in the edge constraint steel reinforcement cage of shear wall both sides, it is characterised in that described reinforcing bar
Frame includes inverted V-shaped steel reinforcement cage truss, the X-shaped steel reinforcement cage truss of bottom on top.
2. a kind of composite reinforcing steel bar cage truss support shear wall according to claim 1, it is characterised in that described inverted V-shaped
Steel reinforcement cage truss includes two diagonally disposed steel bar girders, and each one end for steel bar girder is located on shear wall
Marginal center, can be anchored in the dark beam in shear wall top, and an other end for steel bar girder is located at wall side middle and upper part.
3. a kind of composite reinforcing steel bar cage truss support shear wall according to claim 2, it is characterised in that described in each
Number steel bar girder includes a diagonally disposed longitudinal reinforcement and for fixing longitudinal reinforcement stirrup, described
A number arranged direction for longitudinal reinforcement is identical with a steel bar girder, and a stirrup is vertical with a longitudinal reinforcement.
4. a kind of composite reinforcing steel bar cage truss support shear wall according to Claims 2 or 3, it is characterised in that the inverted V-shaped
The tip contact of two steel bar girders of steel reinforcement cage truss is separated, when the tip contact of two steel bar girders,
The inverted V-shaped steel reinforcement cage truss is in inverted V-shaped, when two tops for steel bar girder separate, the inverted V-shaped steel reinforcement cage truss
In splayed.
5. a kind of composite reinforcing steel bar cage truss support shear wall according to claim 1, it is characterised in that the X-shaped reinforcing bar
Cage truss includes two No. two steel bar girders of cross-distribution, and each No. two lower end of steel bar girder is close to positioned at shear wall bottom
At side edge, No. two upper ends of steel bar girder are located at the side edge of wall other side.
6. a kind of composite reinforcing steel bar cage truss support shear wall according to claim 5, it is characterised in that No. two described steel
Muscle truss includes No. two steel bar girder No. two longitudinal reinforcements of support and for fixing No. two longitudinal reinforcement No. two stirrups.
7. a kind of composite reinforcing steel bar cage truss support shear wall according to claim 5 or 6, it is characterised in that described in two
The bottom of No. two steel bar girders is provided with the connection for strengthening No. two steel bar girders and shear wall bottom and reduces stress concentration
Haunch reinforcing bar, No. two steel bar girder bottoms can be anchored in shear wall side edge constraint steel reinforcement cage or be anchored in shear wall bottom
In dark beam.
8. a kind of composite reinforcing steel bar cage truss support shear wall according to claim 1, it is characterised in that vertical with described
Distribution bar and the vertical side of horizontal distribution reinforcing bar set up tension rib, the lower end of the inverted V-shaped steel reinforcement cage truss and X
The two ends of shape steel reinforcement cage truss can be fixed with the edge constraint steel reinforcement cage.
9. a kind of composite reinforcing steel bar cage truss support shear wall according to claim 8, it is characterised in that inverted V-shaped steel reinforcement cage
Truss and X-shaped steel reinforcement cage truss pass through steel wire and vertical distribution bar, horizontal distribution reinforcing bar and edge constraint steel reinforcement cage colligation
Together, integrated framework of steel reinforcement is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710159935.8A CN106836556B (en) | 2017-03-17 | 2017-03-17 | Composite reinforcement cage truss supporting shear wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710159935.8A CN106836556B (en) | 2017-03-17 | 2017-03-17 | Composite reinforcement cage truss supporting shear wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106836556A true CN106836556A (en) | 2017-06-13 |
| CN106836556B CN106836556B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710159935.8A Active CN106836556B (en) | 2017-03-17 | 2017-03-17 | Composite reinforcement cage truss supporting shear wall |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344316A (en) * | 2019-07-16 | 2019-10-18 | 中铁建设集团有限公司 | A kind of ramp bridge bar construction and its construction method |
| CN110409665A (en) * | 2019-07-25 | 2019-11-05 | 中国十七冶集团有限公司 | A kind of combined type precast shear wall for assembled architecture |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1973115U (en) * | 1967-08-24 | 1967-11-23 | Baustahlgewebe Gmbh | LATTICE GIRDER FOR STRENGTHENING REINFORCED CONCRETE PANELS. |
| JP2002309680A (en) * | 2001-04-13 | 2002-10-23 | Ohmoto Gumi Co Ltd | Reinforced concrete framework corresponding to skeleton in-fill |
| CN2791137Y (en) * | 2005-05-13 | 2006-06-28 | 北京工业大学 | Concrete combine tube with built-in steel girder |
| CN1995579A (en) * | 2006-12-29 | 2007-07-11 | 北京工业大学 | Steel pipe concrete frame-steel truss-concrete combined shear wall and its manufacture method |
| CN201212190Y (en) * | 2008-07-01 | 2009-03-25 | 汪梦甫 | Mixed hidden support energy consumption double-limb shear wall |
-
2017
- 2017-03-17 CN CN201710159935.8A patent/CN106836556B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1973115U (en) * | 1967-08-24 | 1967-11-23 | Baustahlgewebe Gmbh | LATTICE GIRDER FOR STRENGTHENING REINFORCED CONCRETE PANELS. |
| JP2002309680A (en) * | 2001-04-13 | 2002-10-23 | Ohmoto Gumi Co Ltd | Reinforced concrete framework corresponding to skeleton in-fill |
| CN2791137Y (en) * | 2005-05-13 | 2006-06-28 | 北京工业大学 | Concrete combine tube with built-in steel girder |
| CN1995579A (en) * | 2006-12-29 | 2007-07-11 | 北京工业大学 | Steel pipe concrete frame-steel truss-concrete combined shear wall and its manufacture method |
| CN201212190Y (en) * | 2008-07-01 | 2009-03-25 | 汪梦甫 | Mixed hidden support energy consumption double-limb shear wall |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344316A (en) * | 2019-07-16 | 2019-10-18 | 中铁建设集团有限公司 | A kind of ramp bridge bar construction and its construction method |
| CN110344316B (en) * | 2019-07-16 | 2024-03-26 | 中铁建设集团有限公司 | Ramp bridge steel bar structure and construction method thereof |
| CN110409665A (en) * | 2019-07-25 | 2019-11-05 | 中国十七冶集团有限公司 | A kind of combined type precast shear wall for assembled architecture |
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| Publication number | Publication date |
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| CN106836556B (en) | 2024-02-27 |
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