CN102691365B - 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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- CN102691365B CN102691365B CN201210177949.XA CN201210177949A CN102691365B CN 102691365 B CN102691365 B CN 102691365B CN 201210177949 A CN201210177949 A CN 201210177949A CN 102691365 B CN102691365 B CN 102691365B
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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 adopts major diameter metal ripple pipe to box out to be connected structure with bar splicing in hole, to belong to construction work assembly concrete shear wall structure technical field.
Background technology
Shear wall edge member operated by rotary motion is important stressed compared with macrostructure position, its vertical reinforcement reinforcement ratio and to join hoop eigenvalue requirements more strict.Therefore, the supporting capacity of edge member, Deformation capacity and ductility performance are the key factors that guarantees shear wall and even overall structure aseismic reliability.
It is prefabricated that assembly concrete shear wall is generally pressed floor layering, and vertical reinforcement and concrete all disconnect 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 first solve within the scope of edge member improve problem.
Known connection structure, the main connectivity problem that connects solution vertical reinforcement by starching the connection of anchor overlap joint or slurry anchor sleeve, and to concrete constraint aspect 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 disconnects at this position, overlap joint or the anchoring of vertical reinforcement in this position, will make this position concrete (or grouting material) under 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, connection for assembly concrete shear wall edge member, the stressed successional while of vertical reinforcement should guaranteed, take measures to improve the constraints of this position concrete (or grouting material), increase " wetting " connection area of horizontal splicing seams, 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 to connect structure, guarantee the reliable anchoring of vertical reinforcement, stressed continuously in, by relative configurations measure, operative constraint problem and the effective wet connection contact area that increases horizontal splicing seams of properly settling concrete (or grouting material) improve shear resistance, this method of attachment simultaneously has makes simple, the feature easily of constructing, and is convenient to practical engineering application.
The technical solution used in the present invention is: a kind of assembly concrete shear wall edge member connects structure, comprises lower floor's precast shear wall panel edges member, upper strata precast shear wall panel edges member, vertical connecting reinforcement, major diameter metal corrugated pipe, continuous circular spiral stirrup, precast shear wall plate design stirrup, precast shear wall plate design vertical reinforcement, faces end head plugging plate, rear filling pea gravel concreten or grouting material, horizontal gib head lacing wire, horizontal reinforcement, seam periphery is sat slurry layer, charging aperture and discharging opening, be provided with precast shear wall plate design stirrup in described lower floor precast shear wall panel edges member and upper strata precast shear wall panel edges member, precast shear wall plate design vertical reinforcement, horizontal gib head lacing wire, horizontal reinforcement, precast shear wall panel edges member lower end, described upper strata is provided with major diameter metal corrugated pipe, the upper end of major diameter metal corrugated pipe is provided with faces end head plugging plate, the side of major diameter metal corrugated pipe is provided with charging aperture, faces end head plugging plate is provided with discharging opening, described lower floor precast shear wall panel edges member is provided with the vertical connecting reinforcement that stretches out its end face, vertical connecting reinforcement is located in major diameter metal corrugated pipe, vertical connecting reinforcement periphery is provided with continuous circular spiral stirrup, described major diameter metal corrugated pipe inside is provided with rear filling pea gravel concreten or grouting material, between described lower floor precast shear wall panel edges member and upper strata precast shear wall panel edges member, be provided with seam periphery and sit slurry layer.
The present invention utilizes the optimization of the reliable anchoring of vertical connecting reinforcement and diameter thereof, quantity, layout, obtains maximum cross-section resistance moment, gives full play to the intensity of vertical connecting reinforcement, guarantees the supporting capacity of assembly concrete shear wall; By shear wall slab, design stirrup, horizontal gib head lacing wire, major diameter metal corrugated pipe and continuous circular spiral stirrup, after edge member, fill with pea gravel concreten or grouting material and form multiple constraint, 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; By major diameter metal ripple is set, effectively increased the wet seam area of horizontal piece between upper and lower layer precast shear wall panel edges member, improve the shear resistance of its joint face.
As preferably; according to shear wall thickness, hooping protection 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 is when giving full play to; can suitably reduce the height of metal bellows; guaranteeing, under the prerequisite of shear wall supporting capacity, further to save material.
As preferably, described vertical connecting reinforcement can adopt band heading form, can improve its anchoring property, reduces anchorage length, thereby reduces perfusion material, reduces material usage, reduces site operation amount.
As preferably, the relatively vertical connecting reinforcement of described major diameter metal corrugated pipe length stretches out the large 50mm of lower floor's precast shear wall plate length.
Assembly concrete shear wall edge member of the present invention connects structure, the layering of assembly concrete shear wall is prefabricated, details are as follows in method of attachment within the scope of edge member: lower floor's shear wall slab edge member is reserved vertical connecting reinforcement, its diameter, quantity and layout should guarantee that vertical connecting reinforcement has maximum cross section resistance moment, simultaneously, stretch out certain length to meet anchoring requirement, for reducing its extension elongation, can heading be set at steel bar end; Upper strata shear wall slab edge member is pre-buried major diameter metal corrugated pipe in relevant position, and its diameter should be set to maximum size according to shear wall thickness, hooping protection layer thickness and edge member size; During upper and lower story shear wallboard installation in position, first in reserved vertical connecting reinforcement periphery, put continuous circular spiral stirrup, continuous circular spiral stirrup peripheral dimension should be slightly less than inside diameter of bel, then sit slurry, in place, finally pour into pea gravel concreten or contraction-free grouting concrete, form the heading bar splicing that be subject to continuous helical stirrup operative constraint of fabricated shear wall edge member in major diameter metal ripple pipe and connect, and have the assembling integrated connection formula of wetter seam area to connect structure with horizontal piece.
Beneficial effect: the vertical connecting reinforcement of (1) upper and lower layer prefabricated panel edge member of the present invention arranges by the optimization of diameter, quantity and layout, can make vertical connecting reinforcement obtain maximum cross-section resistance moment, when guaranteeing 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 arrange heading, improve its anchoring condition to reduce its extension elongation, further save reinforcing bar and metal bellows, after reducing, fill with pea gravel concreten (or grouting material) amount, reduce cost and improve speed of application; (3) within the scope of the vertical connecting reinforcement anchoring of prefabricated panel edge member of the present invention, be provided with continuous circular spiral stirrup, periphery adopts major diameter metal corrugated pipe pore-forming, add the design stirrup of edge member, rear perfusion pea gravel concreten (or grouting material) has been formed to multiple operative constraint, substantially improved the Deformation capacity and ductility performance of concrete (or grouting material); (4) the vertical connecting reinforcement periphery of prefabricated panel edge member of the present invention is filled with 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) 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 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 precast shear wall board concrete pouring quality, simultaneously, the male and fomale(M&F) that the distinctive ripple rib of bellows forms, can guarantee rear filling pea gravel concreten (or grouting material) and the more effective collaborative work of shear wall slab pre-erection concrete.
Accompanying drawing explanation
Fig. 1 is the floor map that a kind of connection of the present invention is configured to sleeper;
Fig. 2 is the another kind of floor map that is configured to sleeper that connects 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 drawings and specific embodiments, the invention will be further described:
As shown in Figure 1,2,3, 4: a kind of assembly concrete shear wall edge member connects structure, lower floor's precast shear wall panel edges member 1, except design stirrup 6, design vertical reinforcement 7, horizontal gib head lacing wire 10, horizontal reinforcement 11, is reserved the vertical connecting reinforcement 3 that stretches out certain length; Upper strata precast shear wall panel edges member 2, except design stirrup 6, design vertical reinforcement 7, horizontal gib head lacing wire 10, horizontal reinforcement 11, by pre-buried major diameter metal corrugated pipe 4 pore-formings, and arranges faces end head plugging plate 8, charging aperture 13 and discharging opening 14; Fig. 1 is provided with the schematic diagram of four vertical connecting reinforcements 3 in a major diameter metal corrugated pipe 4, Fig. 2 is provided with the schematic diagram of three vertical connecting reinforcements 3 in a major diameter metal corrugated pipe 4; During precast shear wall plate hoisted in position, in vertical connecting reinforcement 3 peripheries, put continuous circular spiral stirrup 5, seam periphery is set and sits slurry layer 12, upper strata precast shear wall panel edges member 2 is installed on to the correct counterpart position of lower floor's precast shear wall panel edges member 1, from charging aperture 13 pressure injections, fill with pea gravel concreten 9, treat discharging opening 14 grouts, and after voltage stabilizing a period of time, stop perfusion, finally complete the connection construction of fabricated shear wall edge member.
It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.In the present embodiment not clear and definite each ingredient all available prior art realized.
Claims (4)
1. an assembly concrete shear wall edge member connects structure, it is characterized in that: comprise lower floor's precast shear wall panel edges member, upper strata precast shear wall panel edges member, vertical connecting reinforcement, major diameter metal corrugated pipe, continuous circular spiral stirrup, precast shear wall plate design stirrup, precast shear wall plate design vertical reinforcement, faces end head plugging plate, rear filling pea gravel concreten or grouting material, horizontal gib head lacing wire, horizontal reinforcement, seam periphery is sat slurry layer, charging aperture and discharging opening, be provided with precast shear wall plate design stirrup in described lower floor precast shear wall panel edges member and upper strata precast shear wall panel edges member, precast shear wall plate design vertical reinforcement, horizontal gib head lacing wire, horizontal reinforcement, precast shear wall panel edges member lower end, described upper strata is provided with major diameter metal corrugated pipe, the upper end of major diameter metal corrugated pipe is provided with faces end head plugging plate, the side of major diameter metal corrugated pipe is provided with charging aperture, faces end head plugging plate is provided with discharging opening, described lower floor precast shear wall panel edges member is provided with the vertical connecting reinforcement that stretches out its end face, vertical connecting reinforcement is located in major diameter metal corrugated pipe, vertical connecting reinforcement periphery is provided with continuous circular spiral stirrup, described major diameter metal corrugated pipe inside is provided with rear filling pea gravel concreten or grouting material, between described lower floor precast shear wall panel edges member and upper strata precast shear wall panel edges member, be provided with seam periphery and sit slurry layer.
2. assembly concrete shear wall edge member according to claim 1 connects structure, it is characterized in that: precast shear wall panel edges member lower end, described upper strata is provided with a plurality of major diameter metal corrugated pipes.
3. assembly concrete shear wall edge member according to claim 1 connects structure, it is characterized in that: described vertical connecting reinforcement adopts band heading form.
4. assembly concrete shear wall edge member according to claim 1 connects structure, it is characterized in that: the relatively vertical connecting reinforcement of described major diameter metal corrugated pipe length stretches out the large 50mm of lower floor's precast shear wall plate length.
Priority Applications (1)
| 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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| 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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| CN102691365A CN102691365A (en) | 2012-09-26 |
| CN102691365B true CN102691365B (en) | 2014-04-02 |
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Families Citing this family (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 |
| CN102943536B (en) * | 2012-11-29 | 2015-09-16 | 东南大学 | A kind of fabricated assembly overall shear wall |
| CN102943538B (en) * | 2012-11-29 | 2015-01-28 | 东南大学 | Prefabricated assembly integral shear wall capable of reducing crack widths |
| 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 |
| 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 |
| CN106760054B (en) * | 2017-03-01 | 2023-01-31 | 同济大学 | Prefabricated 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 |
| CN108867850B (en) * | 2018-06-27 | 2020-12-11 | 华恒建设集团有限公司 | Prefabricated building and construction method thereof |
| 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 |
| CN109440962B (en) * | 2018-11-27 | 2024-05-17 | 刘祥锦 | Horizontal joint connection node of prefabricated shear wall edge component and height calculation method thereof |
| 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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| CN102691365A (en) | 2012-09-26 |
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