CN213087125U - Prefabricated shear force wall horizontal connection node means - Google Patents
Prefabricated shear force wall horizontal connection node means Download PDFInfo
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- CN213087125U CN213087125U CN202021765277.0U CN202021765277U CN213087125U CN 213087125 U CN213087125 U CN 213087125U CN 202021765277 U CN202021765277 U CN 202021765277U CN 213087125 U CN213087125 U CN 213087125U
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Abstract
The utility model discloses a horizontal connection node device of a precast shear wall, which comprises two groups of side reinforcing steel bars and concrete slabs, wherein the two groups of side reinforcing steel bars and the concrete slabs are arranged at the upper part and the lower part in the precast shear wall, and one side of each group of side reinforcing steel bars and one side of each concrete slab are respectively provided with a reserved length section extending out of the precast shear wall; concrete slabs extending out of the upper part and the lower part of the adjacent precast shear walls are respectively butted to form a closed cavity; the butt joint of the concrete slabs is connected by adopting building glue in a plugging way; a reinforcement cage formed by binding cast-in-place reinforcements is inserted into the closed cavity from top to bottom, and concrete is cast in the closed cavity in situ, so that a template-free cast-in-place connection node is realized, the construction procedures are reduced, the construction efficiency is improved, and the construction cost is reduced; the method saves template materials, avoids resource waste and has good economic benefit.
Description
Technical Field
The utility model belongs to the technical field of building structure, especially, relate to a precast shear wall horizontally connect node means.
Background
Generally, a cast-in-place connecting node is arranged between precast concrete shear wall components, generally, after hoisting of the precast shear wall components on two sides of the cast-in-place node is finished, reinforcing steel bars at the position of the cast-in-place node are bound, then templates are erected on two side faces of the cast-in-place node, and finally concrete is poured. At present, the mode is the most widely applied mode, but the problems are obvious, for example, the construction procedures are more, and the most important problem is the support of the template, a number of split bolt holes are reserved in the shear wall members on two sides in advance, and the template is fixed on the side surface of the wall through the split bolts on site; the construction time of the template is long, the construction period is influenced, the wood template is generally adopted on the site, the repeated use times are very small, the template can not be used after the joint is completed, and the natural resources are greatly wasted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a precast shear wall horizontal connection node device to solve the above-mentioned problem that exists among the prior art, need not to prop up again and establish the template and just can pour the concrete.
In order to achieve the above object, the utility model adopts the following technical scheme:
a horizontal connection node device of a precast shear wall comprises two groups of side reinforcing steel bars (2) and concrete slabs (3) which are arranged at the upper part and the lower part in the precast shear wall (1), wherein one side of each group of side reinforcing steel bars (2) and one side of each group of concrete slabs (3) are respectively provided with a reserved length section which extends out of the precast shear wall (1); concrete slabs (3) extending out of the upper part and the lower part in the adjacent precast shear walls (1) are respectively butted to form a closed cavity; the butt joint of the concrete plates (3) is connected by adopting building glue in a plugging way; and a reinforcement cage formed by binding cast-in-place reinforcements is inserted into the closed cavity from top to bottom, and concrete (4) is cast in the closed cavity in situ.
The utility model discloses can reach following beneficial effect:
the prefabricated shear wall horizontal connection node device can solve the problems that the prior art has more construction processes, the number of split bolt holes are reserved in advance on shear wall components on two sides when the template is erected, and the template is fixed on the side surface of a wall through the split bolts on site; the construction time of the template is long, the construction period is influenced, a wood template is generally adopted on the site, the repeated use times are very small, the template can not be used after the node is finished, and the problems of great waste of natural resources and the like are caused; the template-free cast-in-place connecting node is realized, the construction procedures are reduced, the construction efficiency is improved, and the construction cost is reduced; the method saves template materials, avoids resource waste and has good economic benefit.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is the utility model discloses a precast shear wall horizontal connection node device's schematic structure diagram.
Fig. 2 is the utility model discloses a precast shear wall's of precast shear wall horizontal connection node device schematic structure.
Fig. 3 is the utility model discloses a precast shear wall horizontal connection node device's steel reinforcement cage's schematic structure diagram.
In the figure, 1 is a precast shear wall, 2 is a side reinforcing steel bar, 3 is a concrete slab, 4 is cast-in-place concrete, 5 is a closed stirrup, and 6 is a longitudinal stressed reinforcing steel bar.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
A horizontal connection node device of a precast shear wall is disclosed, referring to fig. 1 and fig. 2, and comprises two groups of side reinforcing steel bars 2 and concrete slabs 3 which are arranged at the upper part and the lower part in the precast shear wall 1, wherein one side of each group of the side reinforcing steel bars 2 and one side of each group of the concrete slabs 3 are respectively provided with a reserved length section which extends out of the precast shear wall 1; concrete slabs 3 extending out of the upper part and the lower part in the adjacent precast shear walls 1 are respectively butted to form a closed cavity; the butt joint of the concrete plates 3 is plugged and connected by building glue; the reinforcement cage that constitutes by cast-in-place reinforcement inserts from top to bottom in the closed cavity, just cast in situ concrete 4 in the closed cavity.
According to the horizontal connection node device for the prefabricated shear wall, when the shear wall is prefabricated, concrete plates 3 with a certain length are reserved on the side faces of the wall body, after the two prefabricated shear walls 1 are hoisted, the concrete plates 3 extending out of the two sides are in butt joint to form a closed cavity, the shape of the cavity can be rectangular or square, and concrete 4 can be poured without erecting a template. More specifically, the protruding length of the side reinforcing steel bars 2 of the precast shear wall 1 may be 300mm, the protruding length of the concrete plate 3 may be 300mm, and the thickness of the concrete plate 3 may be 15mm during production. After the on-site hoisting is finished, the concrete plates 3 are butted together to form a closed cavity, gaps at the butted positions of the concrete plates 3 are sealed by building glue, cast-in-place node steel bars are firstly bound into a steel bar cage, then the steel bar cage is inserted into the cavity from top to bottom, and finally concrete 4 is poured to form the structure of the template-free precast shear wall horizontal connection node device.
Example 2
A prefabricated shear wall horizontal joint node device, similar to embodiment 1, except that, referring to fig. 3, the reinforcement cage is formed of annular closed stirrups 5. The closed stirrup 5 is connected with a longitudinal stressed steel bar 6. The closed stirrup 5 is rectangular ring-shaped. The number of the longitudinal stress steel bars 6 is four, and the longitudinal stress steel bars are respectively arranged at four corners of the closed stirrups 5. The number of the closed stirrups 5 is at least two, and the closed stirrups are connected through longitudinal stress steel bars 6.
More specifically, the protruding lateral reinforcement 2 is in contact with the concrete slab 3. The closed cavities formed by the butt joint of the concrete plates 3 are square holes with the side length of 600 mm. The concrete slab 3 at the upper part in the precast shear wall 1 is positioned above the side steel bars 2, namely the bottom surface of the concrete slab 3 at the upper part in the precast shear wall 1 is contacted with the top surfaces of the side steel bars 2; the concrete slab 3 at the lower part in the precast shear wall 1 is positioned below the side steel bars 2, namely the top surface of the concrete slab 3 at the lower part in the precast shear wall 1 is contacted with the bottom surfaces of the side steel bars 2; the longitudinal stressed reinforcement 6 can be connected to the inner side wall of the reinforcement cage. The plane of the closed stirrup 5 is vertical to the longitudinal stress steel bar 6.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (6)
1. A horizontal connection node device of a precast shear wall comprises two groups of side reinforcing steel bars (2) and a concrete slab (3) which are arranged at the upper part and the lower part in the precast shear wall (1), and is characterized in that one side of each group of side reinforcing steel bars (2) and one side of the concrete slab (3) are respectively provided with a reserved length section which extends out of the precast shear wall (1); concrete slabs (3) extending out of the upper part and the lower part in the adjacent precast shear walls (1) are respectively butted to form a closed cavity; the butt joint of the concrete plates (3) is connected by adopting building glue in a plugging way; and a reinforcement cage formed by binding cast-in-place reinforcements is inserted into the closed cavity from top to bottom, and concrete (4) is cast in the closed cavity in situ.
2. A prefabricated shear wall horizontal joint node arrangement according to claim 1, wherein the reinforcement cage is formed by annular closed stirrups (5).
3. A prefabricated shear wall horizontal joint node device according to claim 2, wherein the closed stirrups (5) are connected with longitudinal force-bearing steel bars (6).
4. A prefabricated shear wall horizontal joint node device according to claim 3, wherein the closed stirrups (5) are rectangular rings.
5. A prefabricated shear wall horizontal connection node device according to claim 4, wherein the number of the longitudinal force-bearing steel bars (6) is four, and the longitudinal force-bearing steel bars are respectively arranged at four corners of the closed stirrups (5).
6. A prefabricated shear wall horizontal joint node device according to claim 5, wherein the number of the closed stirrups (5) is at least two and the closed stirrups are connected through longitudinal stress steel bars (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202021765277.0U CN213087125U (en) | 2020-08-21 | 2020-08-21 | Prefabricated shear force wall horizontal connection node means |
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| CN202021765277.0U CN213087125U (en) | 2020-08-21 | 2020-08-21 | Prefabricated shear force wall horizontal connection node means |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323190A (en) * | 2021-05-28 | 2021-08-31 | 哈尔滨工业大学 | Template-free assembled steel truss-recycled concrete combined shear wall and construction method thereof |
| CN114541616A (en) * | 2022-03-29 | 2022-05-27 | 郴州远大住宅工业有限公司 | Prefabricated wallboard connecting joint and construction method thereof |
| CN117569479A (en) * | 2023-11-10 | 2024-02-20 | 中国电力工程顾问集团中南电力设计院有限公司 | Horizontal connection structure of ultra-high-performance concrete shear wall and construction method thereof |
-
2020
- 2020-08-21 CN CN202021765277.0U patent/CN213087125U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323190A (en) * | 2021-05-28 | 2021-08-31 | 哈尔滨工业大学 | Template-free assembled steel truss-recycled concrete combined shear wall and construction method thereof |
| CN114541616A (en) * | 2022-03-29 | 2022-05-27 | 郴州远大住宅工业有限公司 | Prefabricated wallboard connecting joint and construction method thereof |
| CN114541616B (en) * | 2022-03-29 | 2024-04-02 | 郴州远大住宅工业有限公司 | Prefabricated wallboard connecting node and construction method thereof |
| CN117569479A (en) * | 2023-11-10 | 2024-02-20 | 中国电力工程顾问集团中南电力设计院有限公司 | Horizontal connection structure of ultra-high-performance concrete shear wall and construction method thereof |
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