CN102691365A - Connecting structure for assembly type concrete shear wall edge member - Google Patents
Connecting structure for assembly type concrete shear wall edge member Download PDFInfo
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- CN102691365A CN102691365A CN201210177949XA CN201210177949A CN102691365A CN 102691365 A CN102691365 A CN 102691365A CN 201210177949X A CN201210177949X A CN 201210177949XA CN 201210177949 A CN201210177949 A CN 201210177949A CN 102691365 A CN102691365 A CN 102691365A
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Abstract
The invention discloses a connecting structure for an assembly type concrete shear wall edge member. vertical connecting reinforcing steel bar, which can be provided with an upset head, is reserved through a hole reserved in a large-diameter metal bellows, and is sleeved with a continuous spiral stirrup; then the vertical connecting reinforcing steel bar and the continuous spiral stirrup are commonly inserted into the large-diameter metal bellows; and fine aggregate concrete (or a grounding material) is poured into the metal bellows, so that the reliable connection of the edge member is realized. Due to reliable anchoring of the vertical connecting reinforcing steel bar, the optimization of the diameter, the quantity and the plane arrangement of the vertical connecting reinforcing steel bar, and the increase of the wet joint area on a splicing surface, full exertion of the bearing capacity of the shear wall is ensured; and multiple effective restrain for the subsequentlly-poured fine aggregate concrete (or the grouting material) is formed by the shear wall stirrup, a horizontal tie bar, the metal bellows and the continuous circular spiral stirrup, and thus the integral performance of the part is remarkably improved. According to the connecting method for the edge member, which is provided by the invention, the stress continuousness of the vertical steel reinforcing bar is ensured, the deformaility and the ductility performance of the vertical steel reinforcing bar are remarkably improved, and the shock resistance of the assembly type concrete shear wall is improved. Meanwhile, the method is simple in manufacturing process and facilitates the practice and application.
Description
Technical field
The present invention relates to a kind of assembly concrete shear wall edge member adopt major diameter metal ripple pipe box out with the hole in the bar splicing joint construction, belong to construction work assembly concrete shear wall structure technical field.
Background technology
Shear wall edge member operated by rotary motion is important stressed than the macrostructure position, its vertical reinforcement reinforcement ratio and to join the hoop eigenvalue requirements more strict.Therefore, the supporting capacity of edge member, deformability and ductile performance are the key factors that guarantees shear wall and even overall structure antidetonation reliability.
It is prefabricated that the assembly concrete shear wall is generally pressed the floor layering, and vertical reinforcement and concrete all break off at horizontal edge joint position.In view of the importance of edge member, vertical reinforcement connectivity problem, concrete constraint and the splicing seams face shear resistance that should at first solve in the edge member scope improve problem.
Known joint construction; Main through starching the connectivity problem that connection of anchor overlap joint or slurry anchor sleeve connect the solution vertical reinforcement; And to concrete constraint aspect such as stirrup ratio, horizontal reinforcement etc.; Still adopt traditional cast-in-place design structure, this structure is enough to the continuous cast-in-place structural of vertical reinforcement, but assembly concrete shear wall vertical reinforcement breaks off at this position; Overlap joint or the anchoring of vertical reinforcement in this position will make this position concrete (or grouting material) be under the more complicated stress state; Upper and lower edge member splicing seams also adopts cement mortar to sit the stem grafting seam connected mode of slurry, and the shear resistance of horizontal joint is not high.Therefore; For the connection of assembly concrete shear wall edge member, should guarantee the stressed successional while of vertical reinforcement, take measures to improve the constraints of this position concrete (or grouting material); " wetting " of increasing horizontal splicing seams connects area; Increase the shear resistance of horizontal piece, guarantee giving full play to of shear wall edge member concrete (or grouting material) deformability and ductile performance, thereby improve the shock resistance of assembly concrete shear wall.
Summary of the invention
The object of the present invention is to provide a kind of assembly concrete shear wall edge member joint construction; Guarantee the reliable anchoring of vertical reinforcement, stressed continuously in; Through the relative configurations measure; The operative constraint problem of properly settling concrete (or grouting material) improves shear resistance with the wet contact area that is connected that effectively increases horizontal splicing seams, and this method of attachment simultaneously has makes simple, the characteristics easily of constructing, and is convenient to practical engineering application.
The technical scheme that the present invention adopts is: a kind of assembly concrete shear wall edge member joint construction; Comprise that the prefabricated shear wall slab edge member of lower floor, the prefabricated shear wall slab edge member in upper strata, vertical connecting reinforcement, major diameter metal corrugated pipe, continuous circular spiral stirrup, prefabricated shear wall slab design stirrup, prefabricated shear wall slab design vertical reinforcement, faces end head plugging plate, back irritate pea gravel concreten or grouting material, horizontal gib head lacing wire, horizontal reinforcement, seam periphery and sit slurry layer, charging aperture and discharging opening; Be provided with prefabricated shear wall slab design stirrup, prefabricated shear wall slab design vertical reinforcement, horizontal gib head lacing wire, horizontal reinforcement in the prefabricated shear wall slab edge member of prefabricated shear wall slab edge member of said lower floor and upper strata; Prefabricated shear wall slab edge member lower end, said upper strata is provided with major diameter metal corrugated pipe; The upper end of major diameter metal corrugated pipe is provided with the faces end head plugging plate; The side of major diameter metal corrugated pipe is provided with charging aperture; The faces end head plugging plate is provided with discharging opening; The prefabricated shear wall slab edge member of said lower floor is provided with the vertical connecting reinforcement that stretches out its end face; Vertical connecting reinforcement is located in the major diameter metal corrugated pipe; Vertical connecting reinforcement periphery is provided with the continuous circular spiral stirrup, and said major diameter metal corrugated pipe inside is provided with the back and irritates pea gravel concreten or grouting material, is provided with the seam periphery between the prefabricated shear wall slab edge member of prefabricated shear wall slab edge member of said lower floor and upper strata and sits the slurry layer.
The present invention utilizes reliable anchoring and diameter thereof, the quantity of vertical connecting reinforcement, the optimization of layout, obtains the maximum cross-section resistance moment, gives full play to the intensity of vertical connecting reinforcement, guarantees the supporting capacity of assembly concrete shear wall; Through shear wall slab design stirrup, horizontal gib head lacing wire, major diameter metal corrugated pipe and continuous circular spiral stirrup; To irritating pea gravel concreten or grouting material formation multiple constraint behind the edge member; Significantly improve its compressive deformation ability; Guarantee the ductile performance of assembly concrete shear wall, and can further improve the anchoring property of vertical connecting reinforcement; Through the major diameter metal ripple is set, effectively increased the wet seam area of horizontal piece between the prefabricated shear wall slab edge member of upper and lower layer, improve the shear resistance of its joint face.
As preferably; According to shear wall thickness, stirrup protective layer thickness and edge member shape and size; A plurality of major diameter metal corrugated pipes can be set flexibly, when the intensity near the vertical connecting reinforcement of shear wall neutral axis need not to give full play to, can suitably reduce the height of metal bellows; Under the prerequisite that guarantees the shear wall supporting capacity, further save material.
As preferably, said vertical connecting reinforcement can adopt band heading form, can improve its anchoring property, reduces anchorage length, thereby reduces the perfusion material, reduces material usage, reduces the site operation amount.
As preferably, the vertical relatively connecting reinforcement of said major diameter metal corrugated pipe length stretches out the big 50mm of the prefabricated shear wall slab length of lower floor.
Assembly concrete shear wall edge member joint construction of the present invention; The layering of assembly concrete shear wall is prefabricated, and details are as follows for the method for attachment in the edge member scope: lower floor's shear wall slab edge member is reserved vertical connecting reinforcement, and its diameter, quantity and layout should guarantee that vertical connecting reinforcement has maximum cross section resistance moment; Simultaneously; Stretch out certain-length to satisfy the anchoring requirement,, can heading be set at steel bar end for reducing its extension elongation; Upper strata shear wall slab edge member is pre-buried major diameter metal corrugated pipe in the relevant position, and its diameter should be set to maximum size according to shear wall thickness, stirrup protective layer thickness and edge member size; During upper and lower story shear wallboard installation in position; At first put the continuous circular spiral stirrup in the vertical connecting reinforcement periphery of reservation; Continuous circular spiral stirrup peripheral dimension should be slightly less than inside diameter of bel; Sit slurry, in place then; Pour into pea gravel concreten or contraction-free grouting concrete at last, form the heading bar splicing that receive continuous helical stirrup operative constraint of assembling shear wall edge member in major diameter metal ripple pipe and connect, and the whole interconnection system joint construction of assembling of wetter seam area is arranged with horizontal piece.
Beneficial effect: the vertical connecting reinforcement of (1) upper and lower layer prefabricated panel edge member of the present invention is through the optimization setting of diameter, quantity and layout; Can make vertical connecting reinforcement obtain the maximum cross-section resistance moment; When guaranteeing the shear wall supporting capacity; Reduce amount of reinforcement as far as possible, reduce cost; (2) the vertical connecting reinforcement of upper and lower layer prefabricated panel edge member of the present invention can be provided with heading; Improve its anchoring condition to reduce its extension elongation; Further save reinforcing bar and metal bellows, reduce the back and irritate pea gravel concreten (or grouting material) amount, reduce cost and improve speed of application; (3) in the vertical connecting reinforcement anchoring of the prefabricated panel edge member of the present invention scope; Be provided with the continuous circular spiral stirrup; Periphery adopts the major diameter metal corrugated pipe pore-forming; Add the design stirrup of edge member, back perfusion pea gravel concreten (or grouting material) has been formed multiple operative constraint, substantially improve the deformability and the ductile performance of concrete (or grouting material); (4) the vertical connecting reinforcement periphery of prefabricated panel edge member of the present invention is irritated pea gravel concreten (or grouting material) after the immediate constraint of continuous circular spiral stirrup is set; Improve its anchoring condition; Guarantee giving full play to of vertical overlap joint connecting reinforcement intensity, thereby guarantee assembly concrete shear wall supporting capacity; (5) the edge member position is provided with large diameter metal bellows; The horizontal piece of upper and lower layer prefabricated panel edge member forms the wet seam of larger area at the metal bellows diameter range; Shear resistance (6) the present invention who has effectively improved horizontal splicing seams adopts metal bellows to box out; Simplify manufacture craft, guarantee prefabricated shear wall slab concrete pouring quality, simultaneously; The male and fomale(M&F) that the distinctive ripple rib of bellows forms can guarantee back filling pea gravel concreten (or grouting material) and the more effective collaborative work of shear wall slab pre-erection concrete.
Description of drawings
Fig. 1 is used for the floor map of sleeper for a kind of joint construction of the present invention;
Fig. 2 is used for the floor map of sleeper for the another kind of joint construction of the present invention;
Fig. 3 is the 1-1 sectional drawing of Fig. 1;
Fig. 4 is the 2-2 sectional drawing of Fig. 1.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described further:
Like Fig. 1,2,3, shown in 4: a kind of assembly concrete shear wall edge member joint construction; The prefabricated shear wall slab edge member 1 of lower floor is reserved the vertical connecting reinforcement 3 that stretches out certain-length except that design stirrup 6, design vertical reinforcement 7, horizontal gib head lacing wire 10, horizontal reinforcement 11; The prefabricated shear wall slab edge member 2 in upper strata through pre-buried major diameter metal corrugated pipe 4 pore-formings, and is provided with faces end head plugging plate 8, charging aperture 13 and discharging opening 14 except that design stirrup 6, design vertical reinforcement 7, horizontal gib head lacing wire 10, horizontal reinforcement 11; Fig. 1 is the sketch map that is provided with four vertical connecting reinforcements 3 in the major diameter metal corrugated pipe 4, and Fig. 2 is the sketch map that is provided with three vertical connecting reinforcements 3 in the major diameter metal corrugated pipe 4; During prefabricated shear wall slab hoisted in position; Put continuous circular spiral stirrup 5 in vertical connecting reinforcement 3 peripheries, the seam periphery is set sits slurry layer 12, the prefabricated shear wall slab edge member 2 in upper strata is installed on the correct counterpart position of the prefabricated shear wall slab edge member 1 of lower floor; Behind charging aperture 13 pressure injections, irritate pea gravel concreten 9; Treat that discharging opening 14 emits slurry, and stop perfusion after voltage stabilizing a period of time, finally accomplish the connection construction of assembling shear wall edge member.
Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.The all available prior art of each ingredient not clear and definite in the present embodiment realizes.
Claims (4)
1. assembly concrete shear wall edge member joint construction; It is characterized in that: comprise that the prefabricated shear wall slab edge member of lower floor, the prefabricated shear wall slab edge member in upper strata, vertical connecting reinforcement, major diameter metal corrugated pipe, continuous circular spiral stirrup, prefabricated shear wall slab design stirrup, prefabricated shear wall slab design vertical reinforcement, faces end head plugging plate, back irritate pea gravel concreten or grouting material, horizontal gib head lacing wire, horizontal reinforcement, seam periphery and sit slurry layer, charging aperture and discharging opening; Be provided with prefabricated shear wall slab design stirrup, prefabricated shear wall slab design vertical reinforcement, horizontal gib head lacing wire, horizontal reinforcement in the prefabricated shear wall slab edge member of prefabricated shear wall slab edge member of said lower floor and upper strata; Prefabricated shear wall slab edge member lower end, said upper strata is provided with major diameter metal corrugated pipe; The upper end of major diameter metal corrugated pipe is provided with the faces end head plugging plate; The side of major diameter metal corrugated pipe is provided with charging aperture; The faces end head plugging plate is provided with discharging opening; The prefabricated shear wall slab edge member of said lower floor is provided with the vertical connecting reinforcement that stretches out its end face; Vertical connecting reinforcement is located in the major diameter metal corrugated pipe; Vertical connecting reinforcement periphery is provided with the continuous circular spiral stirrup, and said major diameter metal corrugated pipe inside is provided with the back and irritates pea gravel concreten or grouting material, is provided with the seam periphery between the prefabricated shear wall slab edge member of prefabricated shear wall slab edge member of said lower floor and upper strata and sits the slurry layer.
2. assembly concrete shear wall edge member joint construction according to claim 1 is characterized in that: prefabricated shear wall slab edge member lower end, said upper strata is provided with a plurality of major diameter metal corrugated pipes.
3. assembly concrete shear wall edge member joint construction according to claim 1 is characterized in that: said vertical connecting reinforcement adopts band heading form.
4. assembly concrete shear wall edge member joint construction according to claim 1 is characterized in that: the vertical relatively connecting reinforcement of said major diameter metal corrugated pipe length stretches out the big 50mm of the prefabricated shear wall slab length of lower floor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210177949.XA CN102691365B (en) | 2012-05-31 | 2012-05-31 | Connecting structure for assembly type concrete shear wall edge member |
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| CN201210177949.XA CN102691365B (en) | 2012-05-31 | 2012-05-31 | Connecting structure for assembly type concrete shear wall edge member |
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| CN102691365A true CN102691365A (en) | 2012-09-26 |
| CN102691365B CN102691365B (en) | 2014-04-02 |
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| CN201210177949.XA Expired - Fee Related CN102691365B (en) | 2012-05-31 | 2012-05-31 | Connecting structure for assembly type concrete shear wall edge member |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926483A (en) * | 2012-11-16 | 2013-02-13 | 南京工业大学 | Mixed assembled concrete shear wall capable of recovering automatically, consuming energy and being repaired easily |
| CN102943538A (en) * | 2012-11-29 | 2013-02-27 | 东南大学 | Prefabricated assembly integral shear wall capable of reducing crack widths |
| CN102943536A (en) * | 2012-11-29 | 2013-02-27 | 东南大学 | Prefabricated integral type shear wall |
| 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 |
| CN104929278A (en) * | 2015-07-06 | 2015-09-23 | 沈阳建筑大学 | Assembly type dense column hollow shear wall structure |
| CN104929279A (en) * | 2015-06-26 | 2015-09-23 | 东南大学 | Pre-cast shear wall vertical rebar centralized restraint lap joint construction |
| CN104453015B (en) * | 2014-11-19 | 2016-08-17 | 沈阳建筑大学 | Thin walled cylinder body reinforcement lapping connection component containing Spiral Reinforcement Binding Course |
| CN106760054A (en) * | 2017-03-01 | 2017-05-31 | 同济大学 | Precast reinforced concrete shear wall |
| CN107355010A (en) * | 2017-08-21 | 2017-11-17 | 南京工业大学 | A kind of precast concrete shear wall profile steel joint attachment structure |
| CN108867850A (en) * | 2018-06-27 | 2018-11-23 | 华恒建设集团有限公司 | A kind of prefabricated building and its construction method |
| CN108867481A (en) * | 2018-07-16 | 2018-11-23 | 广州市市政工程设计研究总院有限公司 | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of guardrail grouting connection |
| CN109281398A (en) * | 2017-07-19 | 2019-01-29 | 沈阳建筑大学 | Boundling half, which is in the milk, constrains slurry anchor connection method |
| CN109403509A (en) * | 2018-12-07 | 2019-03-01 | 南京工业大学 | It is a kind of based on runback bit combination newel post-slurry anchor shear wall assembled composite shear wall |
| CN109440962A (en) * | 2018-11-27 | 2019-03-08 | 刘祥锦 | The horizontal joint connecting node and its height calculation method of precast shear wall edge member |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926483A (en) * | 2012-11-16 | 2013-02-13 | 南京工业大学 | Mixed assembled concrete shear wall capable of recovering automatically, consuming energy and being repaired easily |
| CN102943538A (en) * | 2012-11-29 | 2013-02-27 | 东南大学 | Prefabricated assembly integral shear wall capable of reducing crack widths |
| CN102943536A (en) * | 2012-11-29 | 2013-02-27 | 东南大学 | Prefabricated integral type shear wall |
| 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 |
| CN104453015B (en) * | 2014-11-19 | 2016-08-17 | 沈阳建筑大学 | Thin walled cylinder body reinforcement lapping connection component containing Spiral Reinforcement Binding Course |
| CN104929279A (en) * | 2015-06-26 | 2015-09-23 | 东南大学 | Pre-cast shear wall vertical rebar centralized restraint lap joint construction |
| CN104929279B (en) * | 2015-06-26 | 2017-05-24 | 东南大学 | Pre-cast shear wall vertical rebar centralized restraint lap joint construction |
| CN104929278A (en) * | 2015-07-06 | 2015-09-23 | 沈阳建筑大学 | Assembly type dense column hollow shear wall structure |
| CN106760054A (en) * | 2017-03-01 | 2017-05-31 | 同济大学 | Precast reinforced concrete shear wall |
| CN109281398A (en) * | 2017-07-19 | 2019-01-29 | 沈阳建筑大学 | Boundling half, which is in the milk, constrains slurry anchor connection method |
| CN107355010A (en) * | 2017-08-21 | 2017-11-17 | 南京工业大学 | A kind of precast concrete shear wall profile steel joint attachment structure |
| CN108867850A (en) * | 2018-06-27 | 2018-11-23 | 华恒建设集团有限公司 | A kind of prefabricated building and its construction method |
| CN108867481A (en) * | 2018-07-16 | 2018-11-23 | 广州市市政工程设计研究总院有限公司 | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of guardrail grouting connection |
| CN108867481B (en) * | 2018-07-16 | 2024-01-23 | 广州市市政工程设计研究总院有限公司 | Prefabricated assembled FRP muscle material concrete side anticollision barrier is connected in guardrail grout |
| CN109440962A (en) * | 2018-11-27 | 2019-03-08 | 刘祥锦 | The horizontal joint connecting node and its height calculation method of precast shear wall edge member |
| CN109403509A (en) * | 2018-12-07 | 2019-03-01 | 南京工业大学 | It is a kind of based on runback bit combination newel post-slurry anchor shear wall assembled composite shear wall |
| CN109403509B (en) * | 2018-12-07 | 2023-12-15 | 南京工业大学 | Assembled composite shear wall based on self-assembled composite end column-slurry anchor shear wall |
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