CN219158056U - Prefabricated hollow shear wall - Google Patents

Abstract

The utility model discloses a prefabricated hollow shear wall, which comprises a wall body, wherein a plurality of vertical cavities are arranged in the wall body in parallel; the thin-wall core body is attached to the inner wall of the cavity; the steel reinforcement framework comprises a first construction steel bar, a second construction steel bar and connecting steel bars which are arranged in the thickness range of the wall body, wherein the first construction steel bar and the second construction steel bar form two steel bar meshes and are arranged on two opposite sides of each thin-wall core body, and two ends of each connecting steel bar are respectively connected with the two steel bar meshes. According to the utility model, the thin-wall core body is arranged on the inner side of the reinforcement cage, so that when the wall body is prefabricated and poured, the thin-wall core body can isolate the cavity in the concrete, the hollow shear wall can be formed after the obtained concrete is solidified, and the thin-wall core body is attached to the inner wall of the cavity without dismantling, so that the core pulling-free function is realized, the manufacturing process is saved, and the manufacturing efficiency is increased.

Description

Prefabricated hollow shear wall

Technical Field

The utility model relates to the technical field of assembly type buildings, in particular to a prefabricated hollow shear wall.

Background

The fabricated building is a building formed by transferring a large amount of field operation work in a traditional building mode to a factory, processing and manufacturing building components and accessories in the factory, transporting to a building construction site, and assembling and installing the building on site through a reliable connection mode, wherein the hollow shear wall is a common building component, and a large amount of prefabricated building components are also adopted to form the fabricated building component at present.

The technical scheme of the concrete prefabricated wallboard and the assembled building formed by the concrete prefabricated wallboard proposed by the patent document CN206581482U comprises the following steps: the wallboard is internally provided with a transverse hole which is not communicated. The wallboard manufacturing method adopted by the method comprises the following steps: (1) Preparing concrete, and assembling a die, a reinforcement cage and a matched embedded part; (2) placing a longitudinal core tube in a reinforcement cage; (3) And placing concrete in the die cavity of the die, withdrawing the core tube after the concrete reaches a certain strength, curing again, and demolding after the demolding strength is reached. It is apparent that this patent document uses the insertion and extraction of the core tube to form the holes inside the wall panel, i.e. to form a hollow wall panel.

Since core pulling of the hollow wallboard is usually performed by core pulling equipment, the use cost of the equipment is obviously increased, the production process is prolonged, and a series of problems such as low manufacturing efficiency of the prefabricated hollow shear wall are caused, so that a prefabricated hollow shear wall is needed to solve the problems.

Disclosure of Invention

The utility model aims to provide a prefabricated hollow shear wall, which solves the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the prefabricated hollow shear wall comprises a wall body, wherein a plurality of vertical cavities are arranged in the wall body in parallel; the thin-wall core body is attached to the inner wall of the cavity; the steel reinforcement framework comprises first construction steel bars, second construction steel bars and connecting steel bars which are arranged in the thickness range of the wall body, wherein the first construction steel bars and the second construction steel bars form two grid-shaped steel bar meshes and are arranged on two opposite sides of each thin-wall core body, and the connecting steel bars are arranged between two adjacent thin-wall core bodies, and two ends of each connecting steel bar are connected with the two steel bar meshes respectively.

Preferably, the wall body is made of concrete, and the thin-wall core body is fixedly bonded with the concrete.

Preferably, the thin-wall core body is arranged as a net barrel, and two ends of the net barrel are communicated.

Preferably, the net drum is in binding connection with the reinforcement cage.

Preferably, the net drum is formed by alternately connecting cylindrical steel sheet pieces and steel net pieces.

Preferably, the steel mesh member is provided with dense meshes which can block the passage of concrete.

In the technical scheme, the utility model has the beneficial effects that:

according to the prefabricated hollow shear wall, the thin-wall core body is arranged on the inner side of the reinforcement cage, so that when the wall body is subjected to prefabricated concrete pouring, the thin-wall core body can isolate a cavity in the concrete, after the obtained concrete is solidified, the hollow shear wall can be formed, the thin-wall core body is attached to the inner wall of the cavity without dismantling, the core pulling-free function is realized, the manufacturing process is saved, the manufacturing efficiency is increased, the manufacturing difficulty is reduced, and the manufacturing cost is reduced.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all of the features of the disclosed technology.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic top view of a cross-sectional structure according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a thin-walled core according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a wall body; 2. a cavity; 3. a thin-walled core; 4. a reinforcement cage; 41. a first structural reinforcement; 42. a second structural reinforcement; 43. and connecting the steel bars.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.

Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the terms "comprising" or "includes" and the like in this disclosure is intended to cover an element or article listed after that term and equivalents thereof without precluding other elements or articles. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Referring to fig. 1-3, the prefabricated hollow shear wall provided by the embodiment of the utility model comprises a wall body 1, wherein a plurality of vertical cavities 2 are arranged in the wall body 1 in parallel; a thin-wall core 3 which is attached to the inner wall of the cavity 2; the reinforcement cage 4 comprises a first construction reinforcement 41, a second construction reinforcement 42 and a connecting reinforcement 43 which are arranged within the thickness range of the wall body 1, wherein the first construction reinforcement 41 and the second construction reinforcement 42 form two grid-shaped reinforcement meshes and are arranged on two opposite sides of each thin-wall core body 3, the connecting reinforcement 43 is arranged between two adjacent thin-wall cores 3, and two ends of the connecting reinforcement are respectively connected with the two reinforcement meshes.

Specifically, the wall body 1 is formed by casting concrete in a forming die in a prefabricated manner, and the wall body 1 is laid down and horizontally arranged during casting; the cavity 2 is arranged through the wall body 1; the thin-wall core 3 has a stable shape, and can support and isolate concrete in the prefabrication process of the wall 1; the reinforcement cage 4 is tightly anchored at each part of the thickness range of the wall body 1, thereby forming a stable reinforced concrete structure; when the wall body 1 is in a vertical state, the first construction steel bars 41 are vertical steel bars, the second construction steel bars 42 are horizontal steel bars, two ends of the second construction steel bars extend out of the side wall of the wall body 1 and are bent to form hook heads, the connecting steel bars 43 are horizontally arranged, a plurality of the first construction steel bars 41, the second construction steel bars 42 and the connecting steel bars 43 are vertically arranged between every two adjacent thin-wall cores 3, and the first construction steel bars 41, the second construction steel bars 42 and the connecting steel bars 43 form firm steel bar frameworks 4 in the Z-axis, the X-axis and the Y-axis directions respectively and support the wall body 1.

Compared with the prior art, the prefabricated hollow shear wall provided by the embodiment of the utility model has the advantages that the thin-wall core 3 is arranged on the inner side of the reinforcement cage 4, so that when the wall body 1 is subjected to prefabricated concrete pouring, the thin-wall core 3 can isolate the cavity 2 in the concrete, the hollow shear wall can be formed after the obtained concrete is solidified, the thin-wall core 3 is attached to the inner wall of the cavity 2 without dismantling, the core pulling-free function is realized, the manufacturing process is saved, the manufacturing efficiency is increased, the manufacturing difficulty is reduced, and the manufacturing cost is reduced.

As the preferred technical scheme of the embodiment, the wall body 1 is made of concrete, the thin-wall core body 3 is fixedly bonded with the concrete, and specifically, the thin-wall core body 3 is fixedly bonded with the wall body 1 after the obtained concrete is solidified while isolating the concrete in the concrete pouring prefabrication process of the wall body 1.

As the preferable technical scheme of this embodiment, the thin-wall core 3 is set as a net barrel, two ends of the net barrel are communicated, specifically, two ends of the net barrel are communicated, two ends of the cavity 2 are ensured to be communicated, and the end of the cavity 2 is communicated and opened, so that the hollow shear wall is vertically connected with other hollow shear walls or other building components.

As the preferable technical scheme of this embodiment, the wire mesh section of thick bamboo is connected with the ligature between the framework of steel reinforcement 4, and specifically, the wire mesh section of thick bamboo is connected through being bound with framework of steel reinforcement 4, can prevent to take place to remove in wall body 1 concrete placement prefabrication in-process, guarantees that cavity 2 forms the position accuracy.

As the preferable technical scheme of the embodiment, the net drum is formed by alternately connecting cylindrical steel sheet pieces and steel net pieces, in particular, the steel sheet pieces are square frame-shaped hard pieces which are used for stabilizing the appearance of the net drum, and the steel net pieces are arranged as dense net holes which can block concrete from passing through, are used for blocking concrete from passing through and can be fully adhered with the concrete.

The manufacturing method of the hollow shear wall comprises the following steps:

first, the first construction steel bar 41, the second construction steel bar 42 and the connecting steel bar 43 are connected in a binding or welding mode to form a steel bar framework 4;

then, arranging a plurality of first concrete cushion blocks on a production die table of the building prefabricated member, wherein the heights of the first concrete cushion blocks are consistent, the height range is 15-25mm, and then stably arranging the reinforcement cage 4 on each first concrete cushion block, wherein a certain gap is formed between the lower side of the reinforcement cage 4 and the surface of the die table;

then, arranging a plurality of second concrete cushion blocks which are consistent in height and are arranged in a height range of 35-45mm in the grid corresponding to the steel reinforcement framework 4 on the die table, then plugging the thin-wall core 3 from one end of the steel reinforcement framework 4 and placing the thin-wall core 3 on the second concrete cushion blocks, at the moment, spacing a certain gap between the thin-wall core 3 and the surface of the die table, and heightening the lower side steel reinforcement meshes of the steel reinforcement framework 4 by a certain height, and then binding and fixing the thin-wall core 3 and the steel reinforcement framework 4;

after the thin-wall cores 3 are bound and connected with the steel reinforcement frameworks 4, templates are arranged on the mold table around the steel reinforcement frameworks 4, and the templates are fixed;

and finally, pouring concrete into the template and vibrating continuously to enable the concrete to fully fill each space in the template and outside the thin-wall core body 3, waiting for the concrete to be solidified, and curing to obtain the prefabricated hollow shear wall. At this time, as the reinforcement cage 4 and the thin-wall core 3 are respectively supported by the first concrete cushion block and the second concrete cushion block, the concrete can be fully combined with the reinforcement cage 4, the thin-wall core 3 and the reinforcement cage 4 are not contacted, and the gap between the two is filled with the concrete, so that the reinforcement cage 4 is less prone to being corroded by the outside, and the service life of the hollow shear wall is prolonged. In addition, in the prefabrication process of the hollow shear wall, the two side wall surfaces corresponding to the cavities 2 can be completely filled and formed without turning operation.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. A prefabricated hollow shear wall, comprising:

the wall body (1), a plurality of vertical cavities (2) are arranged in parallel in the wall body (1);

the thin-wall core body (3) is attached to the inner wall of the cavity (2);

the steel reinforcement framework (4) comprises a first construction steel bar (41), a second construction steel bar (42) and connecting steel bars (43) which are arranged in the thickness range of the wall body (1), wherein the first construction steel bar (41) and the second construction steel bar (42) form two grid-shaped steel bar meshes and are arranged on two opposite sides of each thin-wall core body (3), and the connecting steel bars (43) are arranged between two adjacent thin-wall core bodies (3) and are respectively connected with the two steel bar meshes at two ends.

2. The prefabricated hollow shear wall according to claim 1, wherein the wall body (1) is made of concrete, and the thin-wall core (3) is fixedly bonded with the concrete.

3. The prefabricated hollow shear wall according to claim 1, wherein the thin-walled core (3) is provided as a net drum, and two ends of the net drum are communicated.

4. A prefabricated hollow shear wall according to claim 3, characterized in that the net drum is in lashing connection with the reinforcement cage (4).

5. A prefabricated hollow shear wall according to claim 3, wherein the net drum is composed of a cylindrical steel sheet member and a steel net member alternately connected.

6. The prefabricated hollow shear wall of claim 5, wherein the steel mesh members are provided with dense mesh openings to block the passage of concrete.

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