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Precast pressed-in underground continuous wall and construction method thereof

A technology of underground diaphragm wall and construction method, which is applied in artificial islands, sheet pile walls, water conservancy projects, etc., can solve the problems of uneconomical cost accounting, adverse environmental impact, and large engineering volume, and achieve simplified construction technology and low excavation volume. The effect of reducing and shortening the construction period

Inactive Publication Date: 2014-07-09
福州市第三建筑工程公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The support engineering is independently designed according to different geology, and the engineering volume is large, the cost is high, and the construction period is long
Long-term storage of some supports will have adverse effects on the environment
If the outer wall of the basement is constructed first, most of the supporting works can be saved. The existing punching and drilling process for pouring the underground diaphragm wall is not widely used because of its high cost, long construction period, and uneconomical cost calculation. use

Method used

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  • Precast pressed-in underground continuous wall and construction method thereof
  • Precast pressed-in underground continuous wall and construction method thereof
  • Precast pressed-in underground continuous wall and construction method thereof

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Embodiment Construction

[0031] In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

[0032] Such as figure 1 , 2 As shown in and 3, a prefabricated press-in type underground continuous wall, the continuous wall is formed by splicing prefabricated corner walls 1 and straight walls 2; the corner walls 1 and straight walls 2 are prefabricated by reinforced concrete , the two ends of the corner wall body 1 are the first connecting portion 1.1 and the second connecting portion 1.2 respectively, the two ends of the straight wall body 2 are the third connecting portion 2.1 and the fourth connecting portion 2.2, the The first, second, third, and fourth connecting parts are front-end connecting parts or rear-end connecting parts; when docking, the front-end connecting parts dock with the adjacent rear-end connecting parts, and the...

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Abstract

The invention relates to a precast pressed-in underground continuous wall and a construction method thereof. The continuous wall is formed by a precast corner wall body and a straight wall body, which are precast by reinforced concrete, in a split joint manner, wherein the two end parts of both the corner wall body and the straight wall body are respectively a first connecting part, a second connecting part, a third connecting part and a fourth connecting part, which serve as a front-end connecting part or a back-end connecting part; during performing split joint, the front-end connecting part is in split joint with the adjacent back-end connecting part, and a combined cavity is formed by a concave inner cavity of the front-end connecting part and a concave inner cavity of the back-end connecting part in a surrounding manner; and concrete is poured into the combined cavity the combined cavity. As the corner wall body and the straight wall body of the continuous wall adopt industrialized production, the continuous wall has high production efficiency, lower cost, simple construction process and short construction period.

Description

technical field [0001] The invention relates to a prefabricated pressed-in underground continuous wall and a construction method thereof. Background technique [0002] At present, most of the basement structure construction is carried out before the excavation of the earthwork, and the earthwork support engineering construction that is larger than the volume of the basement structure is carried out. The supporting engineering is designed independently according to different geology, and the engineering volume is large, the cost is high, and the construction period is long. Long-term storage of some supports will have adverse effects on the environment. If the outer wall of the basement is constructed first, most of the supporting works can be saved. The existing punching and drilling process for pouring the underground diaphragm wall is not widely used because of its high cost, long construction period, and uneconomical cost calculation. use. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D29/02E02D5/20E02D7/20
Inventor 肖纹籛肖斯熔肖斯昕
Owner 福州市第三建筑工程公司
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