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Bridge pier cofferdam integrated equipment and construction method thereof

A cofferdam and pier technology, applied in bridge cofferdam integrated equipment and its construction field, can solve the problems of extensive construction, slow material recovery speed, slow operation, etc., and achieve the effect of less quantity, shortened construction process time and high degree of automation

Active Publication Date: 2014-12-17
CHINA FIRST HIGHWAY ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In view of the above shortcomings, the present invention is based on solving the problems of the existing bridge piers, especially the pier cofferdam structures with low water level of some canals, such as extensive construction, slow operation, and slow material recovery speed after construction is completed.

Method used

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  • Bridge pier cofferdam integrated equipment and construction method thereof
  • Bridge pier cofferdam integrated equipment and construction method thereof
  • Bridge pier cofferdam integrated equipment and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] This kind of structure is based on the operation of the pier at a water depth of 5-7 meters.

[0041] An integrated bridge pier cofferdam device includes a cofferdam 300 composed of a plurality of water isolating devices 100 and the same number of pumping devices 200 installed and connected at intervals, and the distance between the two is 0.7 meters.

[0042] Please focus on figure 2 , image 3 with Figure 4, the water isolation device 100 includes a hollow structure inside, a circular positioning pile 101 with a triangular opening symmetrically arranged on the edge, and a conical pile head at the bottom; On both sides of the separator 106, rubber cloth 102 is rolled on it; the vertical edge of the rubber cloth 102 is connected with a fan-shaped long strip 103 stuck in the triangular opening.

[0043] The top of the rubber cloth 102 is located on the top of the positioning pile 101, and the bottom end extends to the lower part of the positioning pile 101. Its thic...

Embodiment 2

[0057] This kind of structure is based on the operation of the pier at a water depth of 3-5 meters.

[0058] An integrated equipment for cofferdams of bridge piers, including cofferdams 300 composed of a plurality of water isolating devices 100 and pumping devices 200 of the same number arranged at intervals, installed and connected at intervals, and the distance between the two is 1 meter

[0059] Please focus on figure 2 , image 3 with Figure 4 , the water isolation device 100 includes a hollow structure inside, a circular positioning pile 101 with a triangular opening symmetrically arranged on the edge, and a conical pile head at the bottom; On both sides of the separator 106, rubber cloth 102 is rolled on it; the vertical edge of the rubber cloth 102 is connected with a fan-shaped long strip 103 stuck in the triangular opening.

[0060] The top of the rubber cloth 102 is located on the top of the positioning pile 101, and the bottom end extends to the lower part of t...

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Abstract

The invention discloses bridge pier-cofferdam integrated equipment. The bridge pier-cofferdam integrated equipment is characterized by comprising a cofferdam, wherein the cofferdam is formed by mounting and connecting a plurality of water separating devices and water pumping devices having the same arrangement number at intervals. The bridge pier-cofferdam integrated equipment has the following advantages: (1) the equipment is small in size and number and is convenient to mount and transport; (2) in the mounting and application process, the cofferdam can be quickly formed through quick assembly and the recovery is fast, so that the automation degree is high and the whole construction process time is greatly shortened; and (3) the equipment can efficiently and conveniently divide and block a water area; and the device recovering process becomes convenient.

Description

technical field [0001] The invention belongs to the technical field of bridge engineering, and in particular relates to a bridge cofferdam integrated device and a construction method thereof. Background technique [0002] Cofferdam refers to the temporary enclosure structure built for the construction of permanent water conservancy facilities in the construction of water conservancy projects. Its function is to prevent water and soil from entering the construction site of the building, so as to drain water in the cofferdam, excavate the foundation pit, and build the building. Generally, it is mainly used in hydraulic construction. Except as a part of formal buildings, cofferdams are generally removed after use. The height of the cofferdam is higher than the highest water level that may occur during the construction period. [0003] Sheet pile cofferdam is the most commonly used type of sheet pile cofferdam. Steel sheet pile is a kind of section steel with lock. Its cross...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D19/02E02D19/04
Inventor 杜东升
Owner CHINA FIRST HIGHWAY ENG
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