CN214833726U - Prefabricated steel tube bundle shear wall - Google Patents
Prefabricated steel tube bundle shear wall Download PDFInfo
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- CN214833726U CN214833726U CN202121782755.3U CN202121782755U CN214833726U CN 214833726 U CN214833726 U CN 214833726U CN 202121782755 U CN202121782755 U CN 202121782755U CN 214833726 U CN214833726 U CN 214833726U
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Abstract
The utility model discloses a prefabricated steel tube bank shear force wall, the wall body comprises concrete, steel-pipe bundle and a plurality of horizontal reinforcement. The wall body adopts the steel pipe bundle to replace the vertical steel bar of the common prefabricated shear wall, so that the constraint effect on concrete is enhanced, and the ductility and the bearing capacity of the shear wall can be obviously improved. Meanwhile, the upper layer and the lower layer are connected through grouting in the steel pipe bundle and inserting vertical connecting steel bars, so that the problems that construction difficulty is high and quality is not easy to guarantee due to the adoption of sleeve grouting connection are solved. In addition, the edge member and the shear wall body are prefabricated together and can be made into a T shape, an L shape or a cross shape, the stability of the shear wall is enhanced, and inclined struts can be reduced or even omitted. The utility model provides a prefabricated steel-pipe bundle shear force wall can solve current assembled shear force wall ductility not enough, stability is not good to and the steel sleeve connection construction degree of difficulty is big, and the problem that the quality is difficult to guarantee is applicable to among assembled concrete structure and the assembled steel construction.
Description
Technical Field
The utility model relates to an assembly type structure field especially relates to a prefabricated steel tube bank shear force wall.
Background
The existing assembly type shear wall structure mostly adopts the methods of prefabricating a shear wall body and casting edge components in situ, and the ductility of the shear wall is poor. Meanwhile, the prefabricated shear wall is in a straight shape and poor in stability, so that a plurality of supports are required to be arranged on a construction site to meet the requirement of the stability of the prefabricated shear wall in the construction process. In addition, the vertical reinforcing steel bars of the upper and lower prefabricated shear walls are often connected by grouting sleeves, so that the problems of high component manufacturing precision requirement, high on-site construction difficulty, difficulty in ensuring construction quality and the like exist. This is because grout sleeve internal diameter is less, if component preparation precision is not enough, leads to during the installation vertical muscle can't insert the sleeve, not only influences the efficiency of construction, also influences structural safety. Moreover, the grouting sleeve is adopted for connection, and the grouting quality directly influences the transmission of force between the longitudinal ribs of the upper prefabricated shear wall and the lower prefabricated shear wall, so that the requirement on the mortar compactness is high, but the mortar compactness is difficult to detect and the construction quality is difficult to guarantee on a construction site.
Therefore, it is desirable to provide a prefabricated steel tube bundle shear wall.
Disclosure of Invention
An object of the utility model is to provide a shear force wall is restrainted to prefabricated steel-pipe for in solving current assembly type shear force wall structure, the technical problem that the connection construction degree of difficulty is big, the quality is difficult to the assurance between the prefabricated shear force wall ductility is poor, stability is not enough and upper and lower floor's prefabricated shear force wall.
In order to solve the technical problem, the technical scheme adopted by the application is as follows: a prefabricated steel tube bundle shear wall comprises concrete, a steel tube bundle and a plurality of horizontal steel bars. The steel pipe bundle and the horizontal steel bars are arranged in the concrete. The steel pipe bundle comprises a plurality of steel pipes with the same height as the concrete, the steel pipes are internally provided with cavities when prefabrication is completed, and the cavities are used for pouring grouting materials in construction sites.
Preferably, the horizontal steel bars are U-shaped steel bars. And the steel pipe bundle and the horizontal steel bars are bound and fixed by steel wires.
Preferably, the types of the prefabricated steel pipe bundle shear wall comprise a first prefabricated steel pipe bundle shear wall and a second prefabricated steel pipe bundle shear wall, wherein the first prefabricated steel pipe bundle shear wall is a shear wall with a shear wall body prefabricated independently. The second prefabricated steel pipe bundle shear wall is a shear wall with a shear wall body and edge members prefabricated together.
Preferably, the walls on the same floor are connected through a cast-in-place section, and the walls on the upper floor and the lower floor are connected through vertical connecting steel bars and grouting materials.
Preferably, the cast-in-place section comprises a construction longitudinal bar, a stirrup, the horizontal steel bar extending out of the concrete and post-cast concrete.
Preferably, the grout comprises self-compacting concrete.
Preferably, the grouting material comprises a common mortar.
Preferably, the diameter d of the vertical connecting steel bar is determined by calculation; the length of the vertical connecting steel bars is not less than 16d, and the length of the vertical connecting steel bars extending into the wall bodies at the upper layer and the lower layer is not less than 8 d.
By adopting the technical scheme, the method has the following beneficial effects:
1. and the ductility of the prefabricated shear wall is improved. The steel pipe bundle is adopted to replace the vertical steel bar of the common prefabricated shear wall, so that the constraint effect on concrete is enhanced, and the ductility and the bearing capacity of the shear wall are improved.
2. And the stability of the prefabricated shear wall is enhanced. The edge member and the shear wall body are prefabricated together and can be made into a T shape, an L shape or a cross shape, and the like, so that the stability of the prefabricated shear wall is enhanced, the member has self-standing performance, and the inclined strut is reduced or even removed during construction.
3. The construction efficiency is improved, and the construction quality is ensured. The steel pipe bundle is used for replacing vertical steel bars and grouting sleeves in a common prefabricated shear wall, the upper prefabricated shear wall and the lower prefabricated shear wall are connected by grouting into the steel pipe bundle and inserting vertical connecting steel bars, and the inner diameter of the steel pipe is large, so that the component manufacturing precision can be reduced, the on-site construction difficulty is reduced, and the construction efficiency is improved. Meanwhile, the inner diameter of the steel pipe is larger, self-compacting concrete or common mortar can be adopted for grouting, and the construction quality is easy to guarantee.
Drawings
Fig. 1 is a three-dimensional schematic view of a prefabricated steel tube bundle shear wall and a connection structure thereof provided by the embodiment of the invention;
fig. 2 is a schematic elevation view of a prefabricated steel tube bundle shear wall and a connection structure thereof provided by the embodiment of the invention;
fig. 3 is a schematic plane view of a prefabricated steel tube bundle shear wall and a connection structure thereof according to an embodiment of the present invention;
fig. 4 is a schematic view of a first prefabricated steel pipe bundle shear wall provided by the embodiment of the present invention;
fig. 5 is a schematic view of a second prefabricated steel pipe bundle shear wall provided by the embodiment of the present invention;
in FIGS. 1 to 5, a steel tube bundle shear wall is prefabricated 10; 101-concrete; 102-steel tube bundle; 1021-a steel tube; 103-horizontal steel bars; 20-vertical connecting steel bars; 30-grouting material; 40-a cast-in-place section; 401-constructing longitudinal bars; 402-a stirrup; 110-a first prefabricated steel tube bundle shear wall; 120-second prefabricated steel pipe bundle shear wall.
Detailed Description
The following description of the present invention will be given with reference to the accompanying drawings, but the present invention is not limited to the following embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in assisting the description of the embodiments of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
As shown in fig. 1-5, the utility model provides a prefabricated steel tube bundle shear wall 10, including concrete 101, steel tube bundle 102 and a plurality of horizontal steel bars 103. The steel pipe bundle 102 and the horizontal reinforcing bars 103 are disposed in the concrete 101. Preferably, the horizontal reinforcing bars 103 are U-shaped. The steel pipe bundle 102 and the horizontal reinforcing bars 103 are bound and fixed by steel wires.
The steel pipe bundle 102 comprises a plurality of steel pipes 1021 with the same height as the concrete 101, the steel pipes 1021 are hollow cavities when prefabrication is completed, and the hollow cavities are used for pouring the grouting material 30 in a construction site. The grouting material 30 may be made of different materials, such as self-compacting concrete or common mortar, as required.
The type of the prefabricated steel tube bundle shear wall 10 comprises a first prefabricated steel tube bundle shear wall 110 and a second prefabricated steel tube bundle shear wall 120, wherein the first prefabricated steel tube bundle shear wall 110 is a shear wall with a shear wall body prefabricated independently. The second prefabricated steel pipe bundle shear wall 120 is a shear wall with a shear wall body and edge members prefabricated together.
The walls 10 on the same floor are connected through a cast-in-place section 40, and the cast-in-place section 40 comprises structural longitudinal bars 401, stirrups 402, horizontal reinforcing steel bars 103 extending out of the concrete 101 and post-cast concrete. The walls 10 of the upper floor and the lower floor are connected through vertical connecting steel bars 20 and grouting material 30, and the diameter d of the vertical connecting steel bars 20 is determined through calculation; the length of the vertical connecting steel bars 20 is not less than 16d, and the length of the vertical connecting steel bars extending into the wall 10 at the upper layer and the lower layer is not less than 8 d.
A construction method of a prefabricated steel tube bundle shear wall 10 comprises the following steps:
(1) and (6) prefabricating a wall body. And binding and fixing the steel pipe bundle 102 and the horizontal steel bars 103 by using steel wires in a processing plant, plugging holes at two ends of all steel pipes 1021 in the steel pipe bundle 102, placing the steel pipe bundle in a template, pouring and maintaining to obtain the wall 10.
(2) And (5) hoisting the wall body. And hoisting the wall body 10 to a corresponding position at a construction site, so that one vertical connecting steel bar 20 is correspondingly inserted below each steel pipe 1021 in the steel pipe bundle 102.
(3) And (5) grouting the wall. And (3) grouting material 30 is poured into each steel pipe 1021 in the steel pipe bundle 102, the vertical connecting steel bars 20 are inserted above the steel pipes 1021 one by one after grouting is finished, and construction is finished after the grouting material 30 is completely solidified.
In the construction process, it should be noted that, in step (1), the openings at the two ends of the steel pipe 1021 need to be plugged, so as to prevent the concrete 101 from permeating into the steel pipe 1021 during pouring, and ensure the state of the cavity in the steel pipe 1021. After maintenance, the plugs at the two ends of the steel pipe 1021 can be taken out. In addition, in the step (3), the depth of the vertical connecting steel bar 20 inserted into the steel pipe 1021 and the length of the vertical connecting steel bar 20 exposed out of the steel pipe 1021 are not less than 8d, where d is the diameter of the vertical connecting steel bar 20.
The application provides a prefabricated steel tube bank shear force wall has following effect:
1. the ductility of the precast shear wall 10 is improved. The steel pipe bundles 102 are adopted to replace vertical steel bars of a common prefabricated shear wall, so that the constraint effect on concrete is enhanced, and the ductility and the bearing capacity of the shear wall 10 are improved.
2. The stability of the precast shear wall 10 is enhanced. The edge members and the shear wall body are prefabricated together and can be made into a T shape, an L shape, a cross shape or the like, the stability of the prefabricated shear wall 10 is enhanced, the members have self-standing performance, and the inclined struts are reduced or even eliminated during construction.
3. The construction efficiency is improved, and the construction quality is ensured. Utilize steel-pipe bundle 102 to replace vertical reinforcing bar and grout sleeve among the ordinary precast shear wall, go up between the lower floor's precast shear wall through pouring grout material 30 toward steel pipe 1021 in, and insert vertical connecting reinforcement 20 and connect, because steel pipe 1021 internal diameter is great, consequently can reduce component preparation precision, reduce the site operation degree of difficulty, improve the efficiency of construction. Meanwhile, the inner diameter of the steel pipe 1021 is large, self-compacting concrete or common mortar can be adopted for grouting, and construction quality is easy to guarantee.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.
Claims (8)
1. The prefabricated steel tube bundle shear wall is characterized by comprising a wall body, wherein the wall body comprises concrete, a steel tube bundle and a plurality of horizontal reinforcing steel bars;
the steel pipe bundle comprises a plurality of steel pipes with the same height as the concrete, the steel pipes are internally provided with cavities when prefabrication is completed, and the cavities are used for pouring grouting materials in construction sites.
2. The prefabricated steel tube bundle shear wall of claim 1, wherein the horizontal rebar is a U-shaped rebar; and the steel pipe bundle and the horizontal steel bars are bound and fixed by steel wires.
3. The prefabricated steel tube bundle shear wall according to claim 1, wherein the types of the wall body comprise a first prefabricated steel tube bundle shear wall and a second prefabricated steel tube bundle shear wall, wherein the first prefabricated steel tube bundle shear wall is a shear wall with a shear wall body prefabricated separately; the second prefabricated steel pipe bundle shear wall is a shear wall with a shear wall body and edge members prefabricated together.
4. The prefabricated steel tube bundle shear wall as claimed in claim 1, wherein the walls on the same floor are connected through cast-in-place sections, and the walls on the upper and lower floors are connected through vertical connecting steel bars and grouting materials.
5. A precast steel tube bundle shear wall according to claim 4, wherein the cast-in-place section includes a construction longitudinal bar, a stirrup, the horizontal reinforcing bar extending out of the concrete, and post-cast concrete.
6. A prefabricated steel tube bundle shear wall according to claim 4, wherein the grouting material comprises self-compacting concrete.
7. A prefabricated steel pipe bundle shear wall according to claim 4, wherein the grouting material comprises a normal mortar.
8. A prefabricated steel pipe bundle shear wall according to claim 4, wherein the diameter d of the vertical connecting steel bars is determined by calculation; the length of the vertical connecting steel bars is not less than 16d, and the length of the vertical connecting steel bars extending into the wall bodies at the upper layer and the lower layer is not less than 8 d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202121782755.3U CN214833726U (en) | 2021-08-02 | 2021-08-02 | Prefabricated steel tube bundle shear wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121782755.3U CN214833726U (en) | 2021-08-02 | 2021-08-02 | Prefabricated steel tube bundle shear wall |
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| CN214833726U true CN214833726U (en) | 2021-11-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856034A (en) * | 2022-03-17 | 2022-08-05 | 中国建筑第二工程局有限公司 | Prefabricated shear wall and construction method adopting same |
| CN115324196A (en) * | 2022-08-31 | 2022-11-11 | 陕西建筑产业投资集团有限公司 | Low-rise fabricated concrete structure system |
-
2021
- 2021-08-02 CN CN202121782755.3U patent/CN214833726U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856034A (en) * | 2022-03-17 | 2022-08-05 | 中国建筑第二工程局有限公司 | Prefabricated shear wall and construction method adopting same |
| CN115324196A (en) * | 2022-08-31 | 2022-11-11 | 陕西建筑产业投资集团有限公司 | Low-rise fabricated concrete structure system |
| CN115324196B (en) * | 2022-08-31 | 2024-02-09 | 陕西建筑产业投资集团有限公司 | Low-layer assembled concrete structure system |
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