Cast-in-place concrete PVC hollow tube wallboard used for basement exterior wall

A basement external wall and hollow pipe technology, which is applied in the field of basement wall panels and building structures, can solve problems such as cracks, achieve the effects of preventing cracks, obvious economic benefits, and reducing the impact of stress

Inactive Publication Date: 2014-02-19
SUZHOU JINXIN CONSTR GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a cast-in-situ concrete PVC hollow pipe wallboard for the basement exterior wall. Through structural improvement, it can not only solve the problem of cracks caused by the heat of hydration when concrete is poured, but also prevent the basement exterior wall from being damaged due to the temperature difference between the inside and outside. Cracks caused by other factors

Method used

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  • Cast-in-place concrete PVC hollow tube wallboard used for basement exterior wall
  • Cast-in-place concrete PVC hollow tube wallboard used for basement exterior wall
  • Cast-in-place concrete PVC hollow tube wallboard used for basement exterior wall

Examples

Experimental program
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Effect test

Embodiment 1

[0027] Example 1: See attached figure 1 As shown, a cast-in-place concrete PVC hollow tube wall panel for basement exterior walls is composed of a first solid section wall 1, a middle hollow tube wall 2 and a second solid section wall 3 on the top. The hollow tube wall 2 in the middle is mainly composed of a plurality of plastic tubes 4 arranged in the vertical direction and connected to the solid section of the wall, steel bars, and concrete poured around the plastic tube 4, which are distributed in the wall body. A steel wire mesh anti-cracking layer 5 is provided on the water facing surface of the wall.

[0028] See attached figure 2 As shown, the wall formwork used during construction is multi-layer plywood, which is usually 1820 mm × 910 mm. In order to match the position of the wall formwork bolt 6 (horizontal spacing 460 mm), the axial distance between adjacent plastic pipes 4 is 230 Mm, the distance between the plastic pipe wall and the wall surface is not less than 100 ...

Embodiment 2

[0042] Example 2: 1. Wall panel design

[0043] The original design of the first underground floor of a project: the floor height is 4.15m, the bay size is 8.10m, the outer wall is 350mm thick, and the 30mm thick steel wire mesh anti-cracking layer is set on the waterfront; now a plastic hollow pipe is added to the wall, which is the existing underground floor. Design of pouring concrete light-weight pipe column wall panel.

[0044] Wall structure:

[0045] The 450mm height at the bottom end is a solid section, which is convenient to conform to the adjacent solid wall structure; the wall load is transmitted directly to the raft; it is convenient for the processing of construction joints.

[0046] The uppermost 700mm height is a solid section, which provides an anchorage length for the floor reinforcement; the upper wall and floor loads are evenly transmitted to the lightweight tubular column wall panel through this section; at the same time, it provides an anchoring area for the upper...

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Abstract

The invention discloses a cast-in-place concrete PVC hollow tube wallboard used for a basement exterior wall. The cast-in-place concrete PVC hollow tube wallboard is characterized by comprising a first solid section wall body at the bottom, a hollow tube wall body in the middle and a second solid section wall body at the top, wherein the hollow tube wall body in the middle is mainly composed of a plurality of plastic tubes, steel bars and concrete poured surrounding the plastic tubes, the plastic tubes, the steel bars and the concrete are distributed in the wall body in the longitudinal direction and connect the solid section wall bodies in the longitudinal direction, the distance between the axes of the adjacent plastic tubes is 200-300 millimeters, the distance between each plastic tube wall and the surface of the wall body is not smaller than 100 millimeters, and the wall thickness of each plastic tube is 1-2 millimeters. The anti-bending bearing capacity of the exterior wall is not smaller than a solid wall, the anti-shearing rigidity is seldom weakened, concrete amount is substantially reduced, and meanwhile the problem that a basement enclosure wall cracks is solved.

Description

Technical field [0001] The invention relates to a building structure, in particular to a basement enclosure wall panel, in particular to a PVC hollow tube concrete enclosure wall panel for basements constructed by using cast-in-place concrete. Background technique [0002] At present, with the development of the construction industry, the basement structure is looking for space in depth, and the volume is larger, so the outer wall of the basement is getting bigger and bigger, and the wall thickness is getting wider and wider. The thickening of the wall leads to an increase in the amount of concrete; at the same time, because the amount of water glue in the commercial concrete used is large, the aggregate is finer, and the location of the basement makes it difficult to maintain the exterior wall; and because of the mass concrete produced after pouring The heat of hydration is difficult to export and the influence of temperature difference causes various types of cracks, which brin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D29/045
Inventor 薛炳泉陈鸿根胡斌
Owner SUZHOU JINXIN CONSTR GRP
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