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Stack pouring type underground diaphragm wall and construction method thereof

An underground continuous wall and wall technology, which is applied in excavation, sheet pile wall, infrastructure engineering and other directions, can solve the problems of poor flatness of inner wall, poor structural integrity, low construction efficiency, etc. The connection is tight and firm, and the effect of improving construction efficiency

Pending Publication Date: 2019-11-15
CHINA COAL NO 3 CONSTR GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide an improved stacked underground diaphragm wall and its construction method, aiming to solve the technical problems of poor flatness of the inner wall surface, poor structural integrity and low construction efficiency in the diaphragm wall structure at the present stage

Method used

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  • Stack pouring type underground diaphragm wall and construction method thereof
  • Stack pouring type underground diaphragm wall and construction method thereof
  • Stack pouring type underground diaphragm wall and construction method thereof

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Embodiment Construction

[0044] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are part of the present invention Examples, not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0045] combined with Figure 1 to Figure 5 , The present invention provides a cascading underground diaphragm wall to solve the technical problems of poor flatness of the inner wall surface, poor structural integrity and low construction efficiency in the diaphragm wall structure at the present stage.

[0046] Specifically, it includes a plurality of prefabricated unit walls 1 a...

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Abstract

The invention provides a stack pouring type underground diaphragm wall and a construction method thereof, and relates to the technical field of building construction. A plurality of prefabricated unitwalls and cast-in-place concrete walls are arranged; the prefabricated unit walls comprise internal wallboard parts and external convex beam parts; the two external convex beam parts are arranged onthe outer sides of the internal wallboard parts in the width direction at intervals; the prefabricated unit walls are sequentially distributed in a deep slot on the periphery of a foundation pit in the length direction; a groove structure is formed in the external convex beam parts arranged oppositely between the adjacent prefabricated unit walls; and the cast-in-place concrete walls are poured inthe groove structure, so that blocking of joints between the adjacent prefabricated unit walls is realized. According to the stack pouring type underground diaphragm wall and the construction methodthereof, through the prefabricated unit walls, the flatness of the internal wall surface is guaranteed, waterproof work is easy to carry out later, the structural integrity is good, an effective protecting role can be played, and the construction efficiency is greatly improved; and the integral structure is simple and novel, the design is ingenious, processing convenient, and more economical and practical are achieved.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a stacked underground continuous wall and a construction method thereof. Background technique [0002] The underground diaphragm wall is a long and narrow deep groove excavated on the ground along the peripheral axis of the deep excavation project under the condition of the mud retaining wall. After the groove is cleaned, the steel cage is hung in the groove , and then use the conduit method to pour underwater concrete to build a unit trough section, each unit trough section generally does not exceed 6 meters, and so on section by section until a closed reinforced concrete wall is formed along the circumference of the project to be built, as a cut-off For the enclosure structure of water and soil retaining, after the concrete reaches a certain age, the internal soil is taken out by digging side braces to construct the underground structure. Generally speaking, unde...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/20E02D17/04
CPCE02D5/20E02D17/04E02D2250/0046E02D2600/20E02D2300/002
Inventor 董金奎牛刚丁飞聂晓凯王建德刘庆张杰孙仁浩张雨薇
Owner CHINA COAL NO 3 CONSTR GRP
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