CN202611012U - Assembly type concrete shear wall edge member connection structure - Google Patents

Assembly type concrete shear wall edge member connection structure Download PDF

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Publication number
CN202611012U
CN202611012U CN 201220255767 CN201220255767U CN202611012U CN 202611012 U CN202611012 U CN 202611012U CN 201220255767 CN201220255767 CN 201220255767 CN 201220255767 U CN201220255767 U CN 201220255767U CN 202611012 U CN202611012 U CN 202611012U
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CN
China
Prior art keywords
shear wall
edge member
wall slab
prefabricated shear
vertical
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Withdrawn - After Issue
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CN 201220255767
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Chinese (zh)
Inventor
刘家彬
郭正兴
朱张峰
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Southeast University
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Southeast University
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Priority to CN 201220255767 priority Critical patent/CN202611012U/en
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Publication of CN202611012U publication Critical patent/CN202611012U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model discloses an assembly type concrete shear wall edge connection structure. The reliable connection of an edge member is realized by the following steps of: reserving a hole in a large-diameter metal corrugated pipe, pre-reserving a vertical connections steel bar (can be provided with an upset head), externally sheathing continuous circular spiral hoop ribs, together inserting into the vertical corrugated steel bar and filling fine stone concrete (or grouting materials). Due to the reliable anchoring of vertical connection steel bars, the optimization of the diameters, the number and the plane distribution of the vertical connection steel bars, a wet joint is enlarged by a splitting surface, and the sufficient development of the bearing capacity of a shear wall can be ensured; and the later filled fine stone concrete (or the grouting materials) is restrained by multiple ways by hoop ribs of the shear wall, horizontal tie pieces, metal corrugated pipes and the continuous circular spiral hoop ribs, so that the whole performance of the part is improved obviously. According to a connection method of the edge member provided by the utility model, the stressing continuity of the vertical steel bar is ensured, the deformation capability and the ductility are improved obviously, and the shock resistance of an assembly type concrete wall is improved. Meanwhile, the method is simple in manufacturing process and convenient to practice and apply.

Description

Assembly concrete shear wall edge member joint construction
Technical field
The utility model relate 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 purpose of the utility model 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 utility model 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 optimization of the reliable anchoring of the vertical connecting reinforcement of the utility model utilization and diameter thereof, quantity, 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.
The assembly concrete shear wall edge member joint construction of the utility model; 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 upper and lower layer prefabricated panel edge member of (1) the utility model 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 utility model 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 scope of the utility model; 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 the prefabricated panel edge member of the utility model 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 utility model that 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 utility model;
Fig. 2 is used for the floor map of sleeper for the another kind of joint construction of the utility model;
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 utility model 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 utility model principle, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.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.
CN 201220255767 2012-05-31 2012-05-31 Assembly type concrete shear wall edge member connection structure Withdrawn - After Issue CN202611012U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102691365A (en) * 2012-05-31 2012-09-26 东南大学 Connecting structure for assembly type concrete shear wall edge member
CN105064537A (en) * 2015-07-31 2015-11-18 陈存龙 Method for connecting and constructing bridge type prefabricated concrete internal and external shear walls
CN105133735A (en) * 2015-08-31 2015-12-09 西安建筑科技大学 Plugging method for precast concrete shear wall and floor joint grouting
CN108678218A (en) * 2018-05-15 2018-10-19 孟凡林 Assembly concrete shear wall and its method of construction based on multipurpose thin-wall steel tube
CN109537775A (en) * 2018-11-02 2019-03-29 孟凡林 The method for preparing assembly concrete shear wall using local corrugated thin-wall steel pipe

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102691365A (en) * 2012-05-31 2012-09-26 东南大学 Connecting structure for assembly type concrete shear wall edge member
CN102691365B (en) * 2012-05-31 2014-04-02 东南大学 Connecting structure for assembly type concrete shear wall edge member
CN105064537A (en) * 2015-07-31 2015-11-18 陈存龙 Method for connecting and constructing bridge type prefabricated concrete internal and external shear walls
CN105064537B (en) * 2015-07-31 2017-05-24 陈存龙 Method for connecting and constructing bridge type prefabricated concrete internal and external shear walls
CN105133735A (en) * 2015-08-31 2015-12-09 西安建筑科技大学 Plugging method for precast concrete shear wall and floor joint grouting
CN105133735B (en) * 2015-08-31 2017-09-01 西安建筑科技大学 The method for blocking that a kind of precast concrete shear wall is in the milk with floor seam crossing
CN108678218A (en) * 2018-05-15 2018-10-19 孟凡林 Assembly concrete shear wall and its method of construction based on multipurpose thin-wall steel tube
CN109537775A (en) * 2018-11-02 2019-03-29 孟凡林 The method for preparing assembly concrete shear wall using local corrugated thin-wall steel pipe

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20121219

Effective date of abandoning: 20140402

RGAV Abandon patent right to avoid regrant