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A kind of seepage cofferdam design back-sealing concrete construction structure and its method

A technology for back-sealing concrete and cofferdams, which is applied in infrastructure engineering, buildings, protection devices, etc., can solve the problems of inconvenient removal of the cofferdam body, and achieve the effect of not easy deformation and uniform reinforcement

Active Publication Date: 2022-05-27
蒙城安路蓝海交通投资有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to improve the problem that it is inconvenient to dismantle the cofferdam body when the cofferdam body is removed, the application provides a design and method of seepage cofferdam design bottom-sealing concrete construction

Method used

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  • A kind of seepage cofferdam design back-sealing concrete construction structure and its method
  • A kind of seepage cofferdam design back-sealing concrete construction structure and its method
  • A kind of seepage cofferdam design back-sealing concrete construction structure and its method

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Embodiment Construction

[0038] Attached to the following Figure 1-3 This application will be described in further detail.

[0039] The embodiment of the present application discloses a concrete construction structure of a seepage cofferdam designed to seal the bottom. refer to figure 1 and figure 2, the seepage cofferdam design bottom-sealing concrete construction structure includes a cofferdam body 1, the cofferdam body 1 is a vertically arranged cubic steel casing 11, and the inner side of the cubic steel casing 11 is provided with an anti-seepage mechanism 2 and a positioning mechanism 3.

[0040] refer to figure 1 , the cubic steel casing 11 includes four casing plates 12, and the casing plates 12 are connected end to end in sequence. Protrusions 13 are mounted on the casing board 12 . The protruding part 13 is a long steel plate, the two long sides of the steel plate are bent towards the same side of the steel plate, and the bending angle is an acute angle, and the two long sides of the p...

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Abstract

This application relates to a concrete construction structure for seepage cofferdam design, including a cofferdam body. The cofferdam body is a vertically arranged cubic steel casing, and a concrete bottom sealing layer is poured at the lower end of the inner side of the cubic steel casing. The lower end of the cofferdam body is provided with an anti-seepage mechanism. The anti-seepage mechanism includes an anti-seepage coil, an anti-seepage frame, and an anti-seepage water-proof board. The seepage frame includes a fixed part, a connecting part and a frame body. The fixed part is fixedly installed on the inner wall of the cubic steel box, the connecting part is detachably fixed and installed on the lower side of the fixed part, and the anti-seepage frame is fixedly installed under the connecting part. On the side, the anti-seepage water-proof board is fixedly installed on the frame body, and the top surface of the concrete sealing layer is higher than the anti-seepage water-proof board and lower than the fixed part. The application has the effect of separating the fixing part from the connecting part, thereby separating the cofferdam body from the connecting part, and facilitating the detachment of the cofferdam body.

Description

technical field [0001] The present application relates to the field of steel cofferdam construction technology, in particular to a design bottom-sealing concrete construction structure of a seepage cofferdam and a method thereof. Background technique [0002] Steel cofferdams in bridge foundation construction are usually used as water retaining structures for underwater capping construction. When the construction of the steel cofferdam is completed, the bottom-sealing concrete is poured. After the bottom-sealing concrete has a certain strength, the accumulated water in the cofferdam is drawn out to form a dry working environment. After the bottom-sealing concrete is poured in the steel cofferdam, since the steel cofferdam and the bottom-sealing concrete are different materials, there is a significant interface, and the two have different temperature deformation coefficients, resulting in the inconsistency of the bonding force between the two. Therefore, it is easy to form a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D15/02E02D19/04E02D31/02
CPCE02D15/02E02D19/04E02D31/02
Inventor 马龙刘顶军罗建华
Owner 蒙城安路蓝海交通投资有限公司
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