CN207160270U - Precast concrete shear wall shaped steel node connection structure - Google Patents
Precast concrete shear wall shaped steel node connection structure Download PDFInfo
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- CN207160270U CN207160270U CN201721046036.9U CN201721046036U CN207160270U CN 207160270 U CN207160270 U CN 207160270U CN 201721046036 U CN201721046036 U CN 201721046036U CN 207160270 U CN207160270 U CN 207160270U
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- shaped steel
- back taper
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 66
- 239000010959 steel Substances 0.000 title claims abstract description 66
- 239000011178 precast concrete Substances 0.000 title claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 claims abstract description 42
- 238000004381 surface treatment Methods 0.000 claims abstract description 16
- 239000011440 grout Substances 0.000 claims abstract description 12
- 230000002787 reinforcement Effects 0.000 claims description 23
- 239000004567 concrete Substances 0.000 claims description 15
- 239000002002 slurry Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 9
- 230000003014 reinforcing effect Effects 0.000 abstract description 5
- 238000004873 anchoring Methods 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 238000010008 shearing Methods 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a precast concrete shear force wall shaped steel node connection structure, including upper precast shear force wallboard and lower floor's precast shear force wallboard, be equipped with surface treatment shaped steel in the precast shear force wallboard of lower floor, be equipped with the large aperture back taper corrugated metal pipe who is close to vertical reinforcing bar around in the precast shear force wallboard of upper strata, back taper corrugated metal pipe periphery is equipped with continuous spiral stirrup, and the back taper corrugated metal pipe outside is equipped with grout hole and corrugated metal pipe top and is equipped with out the grout hole, the pre-buried surface treatment's of lower floor shaped steel insert large aperture back taper corrugated metal pipe in the precast shear force wallboard of upper strata, pour into high performance, no shrink grout material through grout hole, make upper and lower floor's precast shear force wall form effectual connection. The utility model discloses avoided every reinforcing bar to insert the grout pore of pre-buried metal sleeve or reservation separately, simple easily construction is showing the shock resistance who improves the connection anchoring performance and the assembled shear force wall of shear force wall.
Description
Technical field
A kind of precast concrete shear wall profile steel joint attachment structure be the utility model is related to using large aperture back taper gold
Category bellows is boxed out overlaps attachment structure indirectly with shaped steel in hole, belongs to assembly concrete shear wall structure technical field.
Background technology
Since 21 century, China's construction area up to more than 400 hundred million squares, construction industry technological progress and development obtain significantly into
Effect, it is contemplated that also newly-increased more than 300 hundred million squares to the year two thousand twenty China construction area.But China's building industry is made a general survey of, is still within extensive
The type production phase, whole industry there is：Wet trade is more, and waste of material is more, and manual operations is more, makes more, work high above the ground
More " more than five " phenomenons.In order to change " more than five " phenomenon, advanced assembled technology develops into certainty.Promoted with high and new technology
Conventional industries progress and optimization and upgrading, try to explore new science and technology, new technology, and new material uses in building industry.Development environmental protection section
Can, anti-seismic performance is good, easy construction, economic and practical novel building system.And suitable for the novel building industry development side of industrialization
To.
Assembly concrete shear wall typically using be layered it is prefabricated, levels precast concrete wall panel edge joint position concrete and
Vertical reinforcement disconnects in horizontal edge joint position.At present, China is had using existing interconnection technique：Vertical reinforcement sleeve slurry anchor connection,
Vertical reinforcement box out overlaps indirectly, metal bellows bar splicing connection and plug-in type preformed hole grouting reinforcement lapping technology, solution
Determine the continuity problem of Vertical bar connection.
Known connecting structure, although can solve the problems, such as that shear wall Vertical bar connection and stress are continuous,
But need to be correspondingly arranged metal bellows or metal sleeve to every vertical connection reinforcing bar, high required to shear wall splicing accuracy,
It is great in constructing amount；The metal bellows or metal sleeve diameter of setting are small, it is difficult to ensure that grouting material is closely knit；Although using hoop during design
The construction measures such as muscle, horizontal reinforcement and vertical reinforcement increase the constraint to concrete, but above and below fabricated shear wall edge joint position
Reinforcing bar in layer wallboard is off, and bar splicing or anchoring are carried out inside the precast shear wall of upper strata, mixes the position
Solidifying soil is in complex stress condition；Levels precast shear wall edge joint position sits slurry connection, the shearing resistance of horizontal joint using cement mortar
Ability is not high.Therefore, connected for precast concrete shear wall piece, should ensure that vertical reinforcement stress continuity, grouting material
While closely knit and construction is simple, takes measures to improve the constraints of grouting material, increase the shear resistance of horizontal edge joint position,
Ensure that precast concrete shear wall ductile performance and deformability give full play to, so as to improve the shock resistance of precast shear wall
Energy.
Utility model content
The purpose of this utility model is to provide a kind of precast concrete shear wall profile steel joint attachment structure, passes through macropore
Footpath back taper metal bellows is boxed out, the technical measures such as continuous circular tie hoop constraint back taper metal bellows, properly solution
Prefabricated concrete structure of having determined grouting leakiness, the problems such as construction precision requirement is high, great in constructing amount and it is effectively increased level and connects
The wet connection contact area of seam improves shear resistance；Rebar connecting technology is substituted using shaped steel, ensures that wall vertical reinforcement is effective
Power transmission simultaneously, improves shear wall deformability and ductile performance.The connected mode, which has, simultaneously makes the spy such as simple, easy for construction
Point, is easy to practical implementation.
The technical solution adopted in the utility model is：A kind of precast concrete shear wall profile steel joint attachment structure, including
Upper strata precast shear wall plate and lower floor's precast shear wall plate；
Horizontal reinforcement, vertical reinforcement and large aperture back taper metal bellows are provided with the upper strata precast shear wall plate,
The vertical reinforcement is provided with stirrup, and the large aperture back taper metal bellows periphery is provided with continuous circular tie hoop, greatly
Aperture back taper metal bellows side is provided with grout hole, and pours into high-performance contraction-free grouting concrete, large aperture by grout hole
Back taper metal bellows top is provided with closure and filled in, and closure is provided with slurry outlet beyond the Great Wall；
Horizontal reinforcement, vertical reinforcement and surface treatment shaped steel, the vertical steel are provided with lower floor's precast shear wall plate
Muscle is provided with stirrup, and the position of the surface treatment shaped steel is corresponding with the position of the large aperture back taper metal bellows,
And insert in the large aperture back taper metal bellows；
Lower floor's precast shear wall plate is provided with upper strata precast shear wall plate edge joint position and sits pulp layer.
Preferably, the large aperture back taper metal bellows is multiple, the upper strata precast shear wall plate is arranged on
Middle part and its lower end of edge member.
Preferably, shaped steel can be the standard types such as i shaped steel, channel-section steel, steel plate used by the surface treatment shaped steel
Steel or non-standard shaped steel or the shaped steel voluntarily processed.
Preferably, the surface treatments of the surface treatment shaped steel are：In its surface soldered bar dowel, perforate or
Steel bar is welded, bond between steel and concrete power can be improved, reduces shaped steel anchorage length, reduces site operation amount.
New precast concrete shear wall profile steel joint attachment structure of the present utility model, prefabricated concrete shear
Wall layering is prefabricated, and details are as follows for the connection method in the range of wall:The reserved vertical shaped steel of lower floor's precast shear wall plate, its quantity
And horizontal layout should be ensured that and meet shear wall bending resistance, shearing resistance requirement, meanwhile, certain length is stretched out to meet that anchoring requires, is
Saving shaped steel, reduces its extension elongation, can be handled on shaped steel surface, welding short steel rod；In the shear wall slab of upper strata
The embedding large aperture back taper metal bellows in relevant position, its diameter are arranged to according to shear wall's thickness, hooping protection layer thickness
Full-size, in large aperture, back taper metal bellows periphery sets continuous circular tie hoop, outside continuous circular tie hoop
Enclose size and be more than metal bellows external diameter；The installation of levels precast shear wall plate is in place, then sits slurry, and in place, finally perfusion is high
Performance, contraction-free grouting concrete, prefabricated shear wall is formed in large aperture back taper metal bellows through continuous circular spiral
The shaped steel slurry anchor of stirrup operative constraint overlaps connection indirectly.
Beneficial effect：(1) precast shear wall up and down of the present utility model vertically connects shaped steel, by quantity, location arrangements,
It can make it that vertically connecting shaped steel gives full play to bending resistance, shear resistance, meet the requirement of shear wall anti-seismic performance, reduce making for shaped steel
Dosage, it is cost-effective；(2) the vertical connecting-type steel surface of precast shear wall up and down of the present utility model is handled, and welds short steel
Muscle, steel bar or perforate, enhancing and Bond Performance Between Concrete are welded, reduce shaped steel extension elongation, further reduce steel and ripple
Line pipe usage amount, improve speed of application；(3) upper strata precast shear wall of the present utility model is provided with large aperture back taper metal wave
Line pipe is boxed out, and is formed larger grouting hole, is advantageously ensured that high-performance contraction-free grouting concrete compactness and grouting material and shaped steel
Effectively bond, enhanced type steel and Bond Performance Between Concrete；(4) vertical shaped steel connection anchor in precast shear wall plate of the present utility model
Gu in scope, large aperture back taper metal bellows pore-forming, bellows set continuous circular tie hoop, plus in wall
The stirrup of setting, multiple constraint, enhanced type steel and concrete anchoring property are formed to the high performance grouting material of rear perfusion, improved perpendicular
To the bond stress of overlap joint shaped steel, guarantee shaped steel intensity gives full play to and connection reliability；(5) lower floor of the present utility model is prefabricated cuts
Power wall sets shaped steel to substitute bar connecting, improves piece ductility of joint performance, while upper strata precast shear wall sets large aperture to fall
Cone-shaped metal bellows, wet connection in a big way is formed in levels precast shear wall piece opening position, effectively improves levels
The overall performance of shear wall, strengthen horizontal joint shear resistance；(6) the large aperture back taper metal bellows that the utility model uses
Box out, manufacture craft is easy, while described Novel connection type avoids that every reinforcing bar need to be inserted to corresponding grout hole
Hole, construction volume is greatly reduced, reduce difficulty of construction, improve speed of application.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the sectional view in 1-1 faces in Fig. 1；
Fig. 3 is the sectional view in 2-2 faces in Fig. 1.
Embodiment
The utility model is further described with reference to the accompanying drawings and detailed description：
As shown in Figure 1,2 and 3：A kind of precast concrete shear wall profile steel joint attachment structure, including the prefabricated shearing in upper strata
Wallboard 1 and lower floor's precast shear wall plate 2, the upper strata precast shear wall plate 1 is interior to be provided with horizontal reinforcement 8, vertical reinforcement 3 and stirrup
7, described lower floor's precast shear wall plate 2 is interior to be provided with vertical reinforcement 3, horizontal reinforcement 8 and stirrup 7, the prefabricated shearing in upper strata
Wallboard 1 and 2 horizontal edge joint position of lower floor's precast shear wall plate, which are provided with, sits slurry 14.
Surface treatment shaped steel 5 is provided with lower floor's precast shear wall plate 2, the surface treatment shaped steel 5 is welded with bar dowel
9, the upper strata precast shear wall plate 1 is interior to be provided with the large aperture back taper metal bellows 4 corresponding with surface treatment shaped steel 5,
The periphery of large aperture back taper metal bellows 4 is provided with continuous circular tie hoop 6, and the surface treatment shaped steel 5 inserts institute
State in large aperture back taper metal bellows 4, the outside of aperture back taper metal bellows 4 is provided with grout hole 11, and top is set
There is closure plug 10, closure plug 10 is provided with slurry outlet 12, and the outside grout hole 11 of aperture back taper metal bellows 4 pours into high property
Can contraction-free grouting concrete 13.
Set during installation after sitting pulp layer 14, upper strata precast shear wall plate 1 is in place, surface treatment shaped steel 5 is inserted greatly
In aperture back taper metal bellows 4, high-performance is poured into most backward large aperture back taper metal bellows 4 without compression grouting material
13, form overall shear wall.
Embodiment of the present utility model is described in detail above in association with accompanying drawing, but the utility model is not limited to institute
The embodiment of description.For one of ordinary skill in the art, in principle of the present utility model and the scope of technological thought
It is interior, these embodiments are carried out with a variety of changes, modification, replacement and deformation and is still fallen within the scope of protection of the utility model.
Claims (4)
- A kind of 1. precast concrete shear wall profile steel joint attachment structure, it is characterised in that：Including upper strata precast shear wall plate and Lower floor's precast shear wall plate；Horizontal reinforcement, vertical reinforcement and large aperture back taper metal bellows are provided with the upper strata precast shear wall plate, it is described Vertical reinforcement is provided with stirrup, and the large aperture back taper metal bellows periphery is provided with continuous circular tie hoop, large aperture Back taper metal bellows side is provided with grout hole, and pours into high-performance contraction-free grouting concrete, large aperture back taper by grout hole Shape metal bellows top is provided with closure and filled in, and closure is provided with slurry outlet beyond the Great Wall；Horizontal reinforcement, vertical reinforcement are provided with lower floor's precast shear wall plate and is surface-treated shaped steel, on the vertical reinforcement Provided with stirrup, the position of the surface treatment shaped steel and the large aperture back taper wavy metal in the upper strata precast shear wall plate The position of pipe is corresponding, and inserts in the large aperture back taper metal bellows；Lower floor's precast shear wall plate is provided with upper strata precast shear wall plate edge joint position and sits pulp layer.
- A kind of 2. precast concrete shear wall profile steel joint attachment structure according to claim 1, it is characterised in that：It is described Large aperture back taper metal bellows is multiple, is arranged in the middle part of the upper strata precast shear wall plate and its under edge member End.
- A kind of 3. precast concrete shear wall profile steel joint attachment structure according to claim 1, it is characterised in that：It is described Surface treatment shaped steel surface treatments be：In its surface soldered bar dowel, perforate or welding steel bar.
- A kind of 4. precast concrete shear wall profile steel joint attachment structure according to claim 1, it is characterised in that：It is described The shaped steel that surface treatment shaped steel uses is i shaped steel, channel-section steel, steel plate, or non-standard shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721046036.9U CN207160270U (en) | 2017-08-21 | 2017-08-21 | Precast concrete shear wall shaped steel node connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721046036.9U CN207160270U (en) | 2017-08-21 | 2017-08-21 | Precast concrete shear wall shaped steel node connection structure |
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| Publication Number | Publication Date |
|---|---|
| CN207160270U true CN207160270U (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721046036.9U Active CN207160270U (en) | 2017-08-21 | 2017-08-21 | Precast concrete shear wall shaped steel node connection structure |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355010A (en) * | 2017-08-21 | 2017-11-17 | 南京工业大学 | Precast concrete shear wall shaped steel node connection structure |
| CN109736573A (en) * | 2018-12-14 | 2019-05-10 | 东南大学 | A kind of built-in tamping equipment based on sleeve post grouting construction |
| CN110725475A (en) * | 2019-11-20 | 2020-01-24 | 中国建筑标准设计研究院有限公司 | Prefabricated column with built-in high-corrugated pipe, frame structure of prefabricated column and construction method of prefabricated column |
-
2017
- 2017-08-21 CN CN201721046036.9U patent/CN207160270U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355010A (en) * | 2017-08-21 | 2017-11-17 | 南京工业大学 | Precast concrete shear wall shaped steel node connection structure |
| CN109736573A (en) * | 2018-12-14 | 2019-05-10 | 东南大学 | A kind of built-in tamping equipment based on sleeve post grouting construction |
| CN110725475A (en) * | 2019-11-20 | 2020-01-24 | 中国建筑标准设计研究院有限公司 | Prefabricated column with built-in high-corrugated pipe, frame structure of prefabricated column and construction method of prefabricated column |
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