CN104294967A - L-shaped prefabricated composite shear wall vertical anti-seismic connection node and construction method thereof - Google Patents
L-shaped prefabricated composite shear wall vertical anti-seismic connection node and construction method thereof Download PDFInfo
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- CN104294967A CN104294967A CN201410524031.7A CN201410524031A CN104294967A CN 104294967 A CN104294967 A CN 104294967A CN 201410524031 A CN201410524031 A CN 201410524031A CN 104294967 A CN104294967 A CN 104294967A
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Abstract
The invention belongs to the technical field of building structures and particularly relates to an L-shaped prefabricated composite shear wall vertical anti-seismic connection node and a construction method thereof. The L-shaped prefabricated composite shear wall vertical anti-seismic connection node comprises a composite slab type shear wall which is formed by a first prefabricated composite slab type shear wall and a second prefabricated composite slab type shear wall which are connected with each other; a first type reinforcement stirrup cage and first steel dowels are arranged in the first prefabricated composite slab type shear wall; a second type reinforcement stirrup cage and second steel dowels are arranged in the second prefabricated composite slab type shear wall; the first type reinforcement stirrup cage and the second type reinforcement stirrup cage are connected with each other; concrete is cast in situ at the positions of the first type reinforcement stirrup cage, the second type reinforcement stirrup cage, the first steel dowels, the second steel dowels and a non-prefabricated layer of the composite slab type shear wall. According to the L-shaped prefabricated composite shear wall vertical anti-seismic connection node and the construction method thereof, the shear walls can be connected into a whole at the position of the wall corner, the resistance to the seismic force is large, and the like.
Description
Technical field
The invention belongs to building structure technology field, be specifically related to the vertical antidetonation connected node of the prefabricated overlapped shear wall of a kind of L-type and construction method thereof.
Background technology
Shear wall is compartment wall and the enclosure wall of building, is generally steel concrete and builds and form.This body of wall had both born the vertical load that horizontal member transmits, and bore the horizontal loading that wind-force or geological process transmit simultaneously, also shear wall was called seismic structural wall, earthquake resistant wall in earthquake resistant code.Shear wall structure system has good supporting capacity, and has good globality and spatiality, has better lateral resisting ability than frame construction, is applicable to the building building 50-120 rice height.In shear wall and shear wall junction, need reliable node that shear wall is connected with shear wall and be an entirety, under the External Force Actings such as seismic forces, vertical counter-force and horizontal shear can be transmitted, ensure the safety of structure.Regulation and stipulation, Shear Walls limb two ends should arrange edge member, and edge member is divided into confined boundary member and structure edge member two class.When horizontal seismic force arrives, edge member (the wall body compared with centre) stands in the breach and resists horizontal seismic force.
At present, between shear wall and shear wall, L-type node has many kinds, and the utility model being 200920037771.2 as the patent No. relates to a kind of L-type shear wall vertical connection node, comprises the first precast shear wall and the second precast shear wall.First precast shear wall and the second precast shear wall all have " ∩ " type joint bar at Nodes, and joint bar intersection is Cast-in-place concrete.This utility model easy construction, amount of reinforcement is few, but only there are " ∩ " type joint bar and the square Cast-in-place concrete of shear wall's thickness in shear wall and shear wall junction, when resisting geological process, it bears and transmits the limited in one's ability of vertical and horizontal loading, and the security performance of structure is not high.
In view of this, the applicant provides the vertical antidetonation connected node of the prefabricated overlapped shear wall of a kind of L-type and construction method thereof, and this case produces thus.
Summary of the invention
The object of the present invention is to provide a kind of meet code requirement, can make shear wall connect at corner place for overall, have the vertical antidetonation connected node of the prefabricated overlapped shear wall of a kind of L-type compared with strong resistance ability to earthquake active force.
For achieving the above object, the technical scheme that the present invention specifically provides is:
The vertical antidetonation connected node of a kind of L-type overlaid plate type shear wall, comprise the overlaid plate type shear wall be made up of two interconnective first prefabricated overlaid plate type shear walls and the second prefabricated overlaid plate type shear wall, be provided with the first type hoop reinforcement cage and the first joint bar in described first prefabricated overlaid plate type shear wall, this first joint bar is installed on the first prefabricated overlaid plate type shear wall and the first type hoop reinforcement cage junction; Be provided with Second-Type hoop reinforcement cage and the second joint bar in described second prefabricated overlaid plate type shear wall, this second joint bar is installed on the second prefabricated overlaid plate type shear wall and Second-Type hoop reinforcement cage junction; Described first type hoop reinforcement cage and Second-Type hoop reinforcement cage are interconnected; Describedly be cast-in-situ concrete at the non-preformed layer place of the first type hoop reinforcement cage, Second-Type hoop reinforcement cage, the first joint bar, the second joint bar and overlaid plate type shear wall.
Further, described overlaid plate type shear wall wall thickness is 200mm or 240mm.
Further, described first joint bar stretches into the first prefabricated overlaid plate type shear wall length and gets (Lc, 1.2Lae) and be worth greatly; Described second joint bar stretches into the second prefabricated overlaid plate type shear wall length and gets (Lc, 1.2Lae) and be worth greatly.
Further, the described first long limit of type hoop reinforcement cage (mm) is second prefabricated overlaid plate type shear wall's thickness degree+300-2 × concrete cover design thickness; The long limit of Second-Type hoop reinforcement cage (mm) is first prefabricated overlaid plate type shear wall's thickness degree+300-2 × concrete cover design thickness.
Further, described first type hoop reinforcement cage minor face (mm) is first prefabricated overlaid plate type shear wall's thickness degree-2 × concrete cover design thickness; Described Second-Type hoop reinforcement cage minor face (mm) is the second prefabricated overlaid plate type shear wall's thickness-prefabricated interior wall thickness of concrete cover design thickness-overlaid plate type shear wall.
The construction method of the vertical antidetonation connected node of the prefabricated overlapped shear wall of a kind of L-type: comprise the steps:
1), prefabricated first prefabricated overlaid plate type shear wall, the first type hoop reinforcement cage is set, and the length that the first type hoop reinforcement cage imbeds shear wall is 300mm;
2), prefabricated second prefabricated overlaid plate type shear wall, according to Second-Type hoop reinforcement cage size, precast wall panel 300mm shorter in prefabricated inner wall panel width;
3), after the first prefabricated overlaid plate type shear wall and the second prefabricated overlaid plate type shear wall be in place, colligation Second-Type hoop reinforcement cage and the first joint bar and the second joint bar, joint bar stretches into shear wall length and all gets (Lc, 1.2Lae) and be worth greatly;
4), in Nodes cast-in-situ concrete, become cast-in-situ concrete, the region of cast-in-situ concrete comprises the outer hoop reinforcement cage region of shear wall and the non-preform region of overlaid plate type shear wall.
The present invention has beneficial effect:
The vertical antidetonation connected node of L-type overlaid plate type shear wall of the present invention, is provided with one group of first type hoop reinforcement cage and Second-Type hoop reinforcement cage at Nodes, improves the ductility of Shear Walls limb and concrete deformability by the constraint of stirrup; Overlaid plate type shear wall is firmly connected by joint bar and Cast-in-place concrete with hoop reinforcement cage, and contact surface is larger between Cast-in-place concrete and precast plate, node has good globality, can effectively bear and transmit vertical load, horizontal seismic force and wind load, ensures the safe handling of building.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the present invention first type hoop reinforcement cage and Second-Type hoop reinforcement cage.
Detailed description of the invention
What the present invention disclosed is the vertical antidetonation connected node of a kind of L-type overlaid plate type shear wall, comprise the overlaid plate type shear wall 12 be made up of two interconnective first prefabricated overlaid plate type shear walls 1 and the second prefabricated overlaid plate type shear wall 2, be provided with the first type hoop reinforcement cage 3 and the first joint bar 5 in described first prefabricated overlaid plate type shear wall 1, this first joint bar 5 is installed on the first prefabricated overlaid plate type shear wall 1 and the first type hoop reinforcement cage 3 junction; Be provided with Second-Type hoop reinforcement cage 4 and the second joint bar 6 in described second prefabricated overlaid plate type shear wall 1, this second joint bar 6 is installed on the second prefabricated overlaid plate type shear wall 1 and Second-Type hoop reinforcement cage 4 junction; Described first type hoop reinforcement cage 3 and Second-Type hoop reinforcement cage 4 are interconnected; Describedly be cast-in-situ concrete 7 at the first type hoop reinforcement cage 3, Second-Type hoop reinforcement cage 4, first joint bar 5, second joint bar 6 and the non-preformed layer place of overlaid plate type shear wall 12.
The first described joint bar 5 and the second joint bar 6 reinforcing bar type and size are with dry wall horizontal bar, and vertical interval is 200mm; Described overlaid plate type shear wall 12 wall thickness is 200mm or 240mm.
Described first joint bar 5 stretches into the first prefabricated overlaid plate type shear wall 1 length and gets (Lc, 1.2Lae) and be worth greatly; Described second joint bar 6 stretches into the second prefabricated overlaid plate type shear wall 1 length and gets (Lc, 1.2Lae) and be worth greatly.
The described first long limit of type hoop reinforcement cage 3 (mm) is second prefabricated overlaid plate type shear wall 1 thickness degree+300-2 × concrete cover design thickness; The long limit of Second-Type hoop reinforcement cage 4 (mm) is first prefabricated overlaid plate type shear wall 1 thickness degree+300-2 × concrete cover design thickness.
Described first type hoop reinforcement cage 3 minor face (mm) is first prefabricated overlaid plate type shear wall 1 thickness degree-2 × concrete cover design thickness; Described Second-Type hoop reinforcement cage 4 minor face (mm) is the second prefabricated overlaid plate type shear wall 1 thickness-prefabricated interior wall thickness of concrete cover design thickness-overlaid plate type shear wall 12.
The construction method of the vertical antidetonation connected node of the prefabricated overlapped shear wall of a kind of L-type: it is characterized in that: comprise the steps:
1), prefabricated first prefabricated overlaid plate type shear wall 1, the first type hoop reinforcement cage 3 is set, and the length that the first type hoop reinforcement cage 3 imbeds shear wall is 300mm;
2), prefabricated second prefabricated overlaid plate type shear wall 2, according to Second-Type hoop reinforcement cage 4 size, precast wall panel 300mm shorter in prefabricated inner wall panel width;
3), after the first prefabricated overlaid plate type shear wall 1 and the second prefabricated overlaid plate type shear wall 2 be in place, colligation Second-Type hoop reinforcement cage 4 and the first joint bar 5 and the second joint bar 6, joint bar stretches into shear wall length and all gets (Lc, 1.2Lae) and be worth greatly;
4), in Nodes cast-in-situ concrete 7, the region of cast-in-situ concrete 7 comprises the outer hoop reinforcement cage region of shear wall and the non-preform region of overlaid plate type shear wall 12.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the vertical antidetonation connected node of L-type overlaid plate type shear wall, comprise the overlaid plate type shear wall be made up of two interconnective first prefabricated overlaid plate type shear walls and the second prefabricated overlaid plate type shear wall, it is characterized in that: be provided with the first type hoop reinforcement cage and the first joint bar in described first prefabricated overlaid plate type shear wall, this first joint bar is installed on the first prefabricated overlaid plate type shear wall and the first type hoop reinforcement cage junction; Be provided with Second-Type hoop reinforcement cage and the second joint bar in described second prefabricated overlaid plate type shear wall, this second joint bar is installed on the second prefabricated overlaid plate type shear wall and Second-Type hoop reinforcement cage junction; Described first type hoop reinforcement cage and Second-Type hoop reinforcement cage are interconnected; Describedly be cast-in-situ concrete at the non-preformed layer place of the first type hoop reinforcement cage, Second-Type hoop reinforcement cage, the first joint bar, the second joint bar and overlaid plate type shear wall.
2. the vertical antidetonation connected node of L-type overlaid plate type shear wall according to claim 1, is characterized in that: described overlaid plate type shear wall wall thickness is 200mm or 240mm.
3. the vertical antidetonation connected node of L-type overlaid plate type shear wall according to claim 1, is characterized in that: described first joint bar stretches into the first prefabricated overlaid plate type shear wall length and gets (Lc, 1.2Lae) and be worth greatly; Described second joint bar stretches into the second prefabricated overlaid plate type shear wall length and gets (Lc, 1.2Lae) and be worth greatly.
4. the vertical antidetonation connected node of L-type overlaid plate type shear wall according to claim 1, is characterized in that: the described first long limit of type hoop reinforcement cage is second prefabricated overlaid plate type shear wall's thickness degree+300-2 × concrete cover design thickness; The long limit of Second-Type hoop reinforcement cage is first prefabricated overlaid plate type shear wall's thickness degree+300-2 × concrete cover design thickness.
5. L-type overlaid plate type shear wall vertical connection node according to claim 1, is characterized in that: described first type hoop reinforcement cage minor face is first prefabricated overlaid plate type shear wall's thickness degree-2 × concrete cover design thickness; Described Second-Type hoop reinforcement cage minor face is the second prefabricated overlaid plate type shear wall's thickness-prefabricated interior wall thickness of concrete cover design thickness-overlaid plate type shear wall.
6. the construction method of the vertical antidetonation connected node of the prefabricated overlapped shear wall of L-type: it is characterized in that: comprise the steps:
1), prefabricated first prefabricated overlaid plate type shear wall, the first type hoop reinforcement cage is set, and the length that the first type hoop reinforcement cage imbeds shear wall is 300mm;
2), prefabricated second prefabricated overlaid plate type shear wall, according to Second-Type hoop reinforcement cage size, precast wall panel 300mm shorter in prefabricated inner wall panel width;
3), after the first prefabricated overlaid plate type shear wall and the second prefabricated overlaid plate type shear wall be in place, colligation Second-Type hoop reinforcement cage and the first joint bar and the second joint bar, joint bar stretches into shear wall length and all gets (Lc, 1.2Lae) and be worth greatly;
4), in Nodes cast-in-situ concrete, the region of cast-in-situ concrete comprises the outer hoop reinforcement cage region of shear wall and the non-preform region of overlaid plate type shear wall.
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| CN201410524031.7A CN104294967A (en) | 2014-10-08 | 2014-10-08 | L-shaped prefabricated composite shear wall vertical anti-seismic connection node and construction method thereof |
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| CN201410524031.7A CN104294967A (en) | 2014-10-08 | 2014-10-08 | L-shaped prefabricated composite shear wall vertical anti-seismic connection node and construction method thereof |
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| CN105937277A (en) * | 2016-06-21 | 2016-09-14 | 华东建筑设计研究院有限公司 | T-shaped shear wall edge member connecting structure |
| CN112227525A (en) * | 2020-09-30 | 2021-01-15 | 三一筑工科技有限公司 | Single-face superposed U-shaped prefabricated part node |
| CN112227526A (en) * | 2020-09-30 | 2021-01-15 | 三一筑工科技有限公司 | Single-face superposed Z-shaped prefabricated part node |
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| CN112227525A (en) * | 2020-09-30 | 2021-01-15 | 三一筑工科技有限公司 | Single-face superposed U-shaped prefabricated part node |
| CN112227526A (en) * | 2020-09-30 | 2021-01-15 | 三一筑工科技有限公司 | Single-face superposed Z-shaped prefabricated part node |
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