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Method of mounting ballast tank in immersed tube

An installation method and a technology for carrying a water tank are applied in the field of floating construction of subsea immersed tube tunnels, which can solve the problems of installation efficiency and effect affecting the efficiency of immersed tube floating construction, narrow space, etc., so as to improve installation efficiency and effect, and achieve orderly Installation, the effect of improving efficiency

Active Publication Date: 2014-04-09
CCCC FOURTH HARBOR ENG CO LTD +3
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  • Application Information

AI Technical Summary

Problems solved by technology

Due to the large size of the immersed tube, the required ballast water tank is correspondingly large, but the space inside the immersed tube is relatively small, which has caused great limitations to the installation of the ballast water tank; and the installation efficiency and effect of the water tank in the immersed tube It directly affects the efficiency of floating construction of immersed tubes; at present, there is no complete and mature ballast tank installation technology in China

Method used

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  • Method of mounting ballast tank in immersed tube
  • Method of mounting ballast tank in immersed tube
  • Method of mounting ballast tank in immersed tube

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Embodiment Construction

[0055] see figure 1 As shown, the installation method of the ballast water tank in the immersed tube of the present embodiment may further comprise the steps:

[0056] 1. See figure 2 As shown in the figure, the installation components required for installing the ballast water tank, such as columns, beams, diagonal stays, wall panels and waterproof cloth, are hoisted to the material receiving platform 1 outside the immersed tube by a tower crane; before installation, the ballast water tank Clean up the sundries within the construction scope, then retest the plane position and flatness of each installation station according to the design drawings, mark the installation control boundary, and make corresponding adjustments to each installation station according to the actual deviation and the deviation treatment plan. The installation station described in this embodiment mainly includes a column installation station, a beam installation station and a diagonal rod installation s...

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Abstract

The invention relates to the field of floating construction of submarine immersed-tube tunnels, in particular to a method of mounting and sinking a ballast tank for floating transportation into an immersed tube. The method includes the steps: columns, beams, diagonal members, wall plates and waterproof cloth required for the mounting of the ballast tank are hoisted to a receiving platform outside an immersed tube by a tower crane; the columns are lifted to column mounting positions through a forklift and a column mounting procedure is performed; a construction passage is reserved in one row of columns; the beams are lifted to beam mounting positions through the forklift, and a beam mounting procedure is performed; the diagonal members are lifted to diagonal member mounting positions through the forklift, and a diagonal member mounting procedure is performed; the wall plates are mounted on a wall plate frame; the waterproof cloth is lifted to the inside of a water tank body through the forklift, and a waterproof cloth mounting procedure is performed; the construction passage is fully closed, and mounting the ballast tank is finished.

Description

technical field [0001] The invention relates to the field of floating construction of submarine immersed tube tunnels, in particular to a method for installing a ballast water tank for sinking and floating operations in an immersed tube. Background technique [0002] At present, there are more and more submarine immersed tube tunnels, and in the floating construction of immersed tubes, the ballast water tank used for ballast water control is particularly important. A single ballast water tank consists of two opposite retaining walls and immersed tube sides. The side wall and partition side wall are enclosed; the retaining wall of the ballast water tank is composed of steel frame and wall panels. The steel frame mainly includes columns, beams, and oblique rods; The interior of the water tank adopts an integral waterproof cloth as the waterproof layer of the water ballast tank. Due to the large size of the immersed tube, the required ballast water tank is correspondingly larg...

Claims

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Application Information

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IPC IPC(8): E02D29/073
Inventor 杨凯梁杰忠陈伟彬张文森程博
Owner CCCC FOURTH HARBOR ENG CO LTD
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