Steel plate and concrete combined underground continuous wall and construction method thereof

A technology of underground diaphragm wall and construction method, applied in sheet pile wall, excavation, foundation structure engineering and other directions, can solve problems such as poor impermeability performance, achieve good impermeability performance, good airtightness, and improve the effect of pouring quality

Inactive Publication Date: 2013-08-07
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to solve the problem of poor impermeability of traditional reinforced concrete underground d

Method used

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  • Steel plate and concrete combined underground continuous wall and construction method thereof
  • Steel plate and concrete combined underground continuous wall and construction method thereof
  • Steel plate and concrete combined underground continuous wall and construction method thereof

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Embodiment Construction

[0037] See figure 1 — Figure 4 , a two-in-one double steel plate concrete composite underground continuous wall, characterized in that the wall is formed by connecting multiple sections of walls, each section of wall is composed of two external steel plates 1 and internal concrete 2, and the external two steel plates 1 It is connected by a cylindrical tension bar 3 and a rectangular vertical partition 4, and the cooperation between the steel plate 1 and the concrete 2 is composed of the tension steel bar 3, the vertical partition 4 and the stud 5 welded on the steel plate 1. Guaranteed, the tensioning steel bar 3 and the vertical partition 4 also play the role of maintaining a certain rigidity and bearing the out-of-plane load during transportation. In addition, due to the existence of the vertical partition 4, the concrete can be poured in separate bins, eliminating the need for joint pipes. The steel plate 1 is bent into an L shape at the end to form a steel plate joint 6...

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Abstract

The invention provides a steel plate and concrete combined underground continuous wall which is formed by the connection of a plurality sections of wall bodies, and each wall body is composed of two outer steel plates (1) and inner concrete (2), the two outer steel plates (1) are connected with cylindrical cross-pulling rebars (3) and rectangular vertical baffles (4), as the vertical baffles (4) are arranged between the two steel plates, the concrete can be poured into branched storehouses and the joint pipes are saved; the end part of each steel plate (1) is bent into an L-shape to form a steel plate joint (6), so as to guarantee the wall body to be provided with better anti-permeability after butt joint; the wall is in mutual vertical connection with a beam plate (7) of the architectural structure, the rebar of the beam plate (7) can be welded onto the steel plate of the underground continuous wall, and rebars or the stiffeners (8) of the steel plate and the triangular bearing (9) are arranged on the relevant position of the wall body. The invention further provides a construction method of the steel plate concrete composite underground continuous wall, which comprises six steps. The underground continuous wall provided by the invention is good in anti-permeability, small in wall body section and is provided with supporting and bearing functions.

Description

Technical field: [0001] The invention relates to a two-in-one double steel plate concrete composite underground continuous wall and a construction method thereof. It belongs to the technical field of underground diaphragm wall construction. Background technique [0002] At present, the underground diaphragm wall is being used more and more in foundation pit engineering, because it can not only serve as a retaining structure and water-stop curtain to complete the basic functions of foundation pit support, but also can be used as the outer wall of a building to bear load. [0003] The traditional reinforced concrete underground diaphragm wall may lose its waterproof function due to poor impermeability of the joints or uneven settlement and cracking of the wall during use. When it is used as the exterior wall of a building, it needs to design a larger cross-sectional size to ensure the bearing capacity. [0004] Aiming at the shortcomings of the traditional reinforced concre...

Claims

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Application Information

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IPC IPC(8): E02D5/20E02D17/04
Inventor 郭全全赵唯以沈亮章沛瑶黄泽宇
Owner BEIHANG UNIV
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