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Even wall construction method capable of preventing concrete from streaming around

A construction method and a technology for connecting walls to ground, which are applied in artificial islands, sheet pile walls, water conservancy projects, etc., can solve the problem of not taking into account the flow of concrete to adjacent grooves, etc., so as to achieve a solid wall joint connection quality and a stress-bearing effect. Uniform and improve the effect of project progress

Inactive Publication Date: 2020-01-17
ERCHU CO LTD OF CHINA RAILWAY TUNNEL GRP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The concrete pouring height of this technical solution is easy to control and can guarantee the quality of the wall to a certain extent, but it does not take into account the situation that the concrete flows around from the gap between the I-beam flange plate and the tank wall to the adjacent tank section

Method used

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  • Even wall construction method capable of preventing concrete from streaming around
  • Even wall construction method capable of preventing concrete from streaming around
  • Even wall construction method capable of preventing concrete from streaming around

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Embodiment Construction

[0038] The present invention will be further described below in conjunction with accompanying drawing.

[0039] Such as figure 1 , figure 2 and image 3 As shown, a ground connection wall construction method to prevent concrete flow, including the following steps:

[0040] S1: Prefabrication of the reinforcement cage for the current trough section 8:

[0041] S1.1: Weld the steel cage I-steel flange plate 1 on both sides of the I-steel joint with the horizontal reinforcement of the reinforcement cage 8 in the current trough section to form a whole;

[0042] S1.2: The outside of the I-beam flange plate 1 of the reinforcement cage is respectively welded with the anti-slip iron sheet 9;

[0043] S1.3: Install the anti-grouting iron sheet 9 in order from bottom to top; after the lower part of the anti-grouting iron sheet 9 is laid, weld the triangular support steel bar 3 on the horizontal steel bar of the reinforcement cage 8, so that the laid anti-grouting iron sheet The ta...

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Abstract

The invention provides an even wall construction method capable of preventing concrete from streaming around. The method comprises the steps that S1, a reinforcement cage of a current groove segment is prefabricated, pulp stop iron sheets are welded to the outer sides of flange structural steel on the two sides of I steel, after the pulp stop iron sheet on the lower layer is laid, triangular supporting steel reinforcing ribs are welded to horizontal steel reinforcing ribs of the reinforcement cage and, after the pulp stop iron sheet on the upper layer is laid, according to the manner of arranging triangular supporting steel reinforcing ribs on the lower layer, the triangular supporting steel reinforcing ribs are laid on the pulp stop iron sheet on the lower layer; S2, the groove segment isgrooved, along with step-by-step lowering of the reinforcement cage, equal leg angles are added on flange plates on the two sides of the I steel in a welded manner, the specification of the equal legangles is L5cm*5cm*5mm, and the equal leg angles are arranged in a length passing manner from the bottom to the top of the I steel; and S3, a guide pipe method is used for pouring concrete to the groove segment. In the even wall pouring process, the concrete can be prevented from streaming around, construction work efficiency of adjacent groove segments can be improved, and the wall seam connection quality of two groove segments is firmer.

Description

technical field [0001] The patent invention relates to the field of ground wall construction, in particular to a ground wall construction method for preventing concrete from flowing around. Background technique [0002] As the enclosure structure of the subway station, the underground diaphragm wall has both soil retaining and water interception functions. It is recognized as the best soil retaining and water interception for deep foundation pits due to its advantages of good integrity, high rigidity, small foundation pit deformation, and excellent water sealing. The structure is widely used by design and construction units in the construction field of foundation pit enclosure structure due to its unique characteristics. However, due to the concealment of underground engineering, during the pouring process of the underground diaphragm wall, there is a high probability that concrete will flow around the gap between the I-beam flange plate and the groove wall to the adjacent g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/18E02D29/16
CPCE02D5/18E02D5/182E02D29/16E02D2250/0023E02D2300/0029
Inventor 郭小龙郭平彭焱锋龚学栋罗伟波董军张士民魏小松李社伟蔡肖李俊跃梁继胜曹露平高行张嵩凌高昆崔海龙章云生鲜斌棋蒋雨航
Owner ERCHU CO LTD OF CHINA RAILWAY TUNNEL GRP
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