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Method for underwater processing bridge deformed steel retaining cylinder

A processing method and technology for steel casing, which are applied in construction, sheet pile wall, infrastructure engineering, etc., can solve the problems of difficult construction and high processing cost of deformed steel casing, achieve easy quality control, reduce construction cost, and speed up construction. effect of progress

Inactive Publication Date: 2013-07-24
TIANJIN 20 CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems existing in the prior art, the present invention provides an underwater treatment method for the deformed steel casing of the bridge, which overcomes the problems of high processing cost and difficult construction of the deformed steel casing in the prior art

Method used

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  • Method for underwater processing bridge deformed steel retaining cylinder
  • Method for underwater processing bridge deformed steel retaining cylinder
  • Method for underwater processing bridge deformed steel retaining cylinder

Examples

Experimental program
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Embodiment Construction

[0026] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0027] 1. Underwater cutting of deformed steel casing

[0028] 1. Sweeping holes and changing pulp of steel casing

[0029] Before the underwater cutting of the deformed steel casing, it is necessary to sweep the hole and change the slurry. Usually, a drilling rig is used to sweep the deformed steel casing, and 12 wire ropes are added on the belt of the sweeping drill bit to clean up the mud on the inner wall of the steel casing. When sweeping the hole, the belt under the drill bit is required to pass through the bottom of the steel casing for 2.0-2.5m, so as to ensure the smooth progress of the underwater cutting construction.

[0030] In order to reduce sedimentation in the hole and reduce the pressure of underwater cutting and diving ope...

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Abstract

The invention discloses a method for underwater processing a bridge deformed steel retaining cylinder. The method comprises the following steps of: (1) underwater cutting a locally-deformed steel retaining cylinder; and (2) solving the problem of slurry leakage after the deformed steel retaining cylinder is cut off. The method disclosed by the invention prevents the repeated insertion and beating by carrying out underwater cutting processing on the local deformation position of the completely inserted and beaten steel retaining cylinder, thereby saving a large quantity of steel products and saving the time; and the method disclosed by the invention provides the reference means for the sea (river, rivus) bottom reinforcing of similar engineering by carrying out slurry leakage processing on the steel retaining cylinder, needs less manual work in the processing process, is not high in labor intensity and reduces the occupied area without cooperation of large-sized mechanical equipment.

Description

technical field [0001] The invention relates to an underwater treatment method for a deformed steel casing of a bridge, in particular to an underwater treatment method for a deformed steel casing of a cross-sea (river, river) bridge. Background technique [0002] Since ancient times, there are no trails in the mountains, no bridges in the lake, and no communication with each other. With the wisdom of "four or two to pull a thousand catties", bridges communicate poorly on the sea and rivers, connect roads, and create landscapes. It can be said to condense human ideas and become a bright pearl in the history of human architecture. However, the cross-sea (river, river) bridges are often affected by factors such as tides, typhoons, heavy fog, rainfall, and navigation during the effective construction period. The river) bed basically includes the following weak layers: sandy soil, silty loam, loamy soil, cohesive soil, clay and silt layer, and even some layers are distributed wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/66E02D9/04
Inventor 王刚陈蓉李东军田永振杨华清
Owner TIANJIN 20 CONSTR
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