Immersed tube tunnel steel shell compartment sealing test method

Abstract

The invention belongs to the technical field of immersed tube tunnel steel shell detection, and discloses an immersed tube tunnel steel shell compartment sealing test method, which comprises the following steps of S1, formulating a detection sequence route map according to an arrangement mode of compartments; S2, using sealing plugs for blocking the pouring holes and the air holes of the multiple compartments; and S3, according to the inspection sequence route map, vacuumizing the compartments one by one and inspecting the air inlet conditions of the adjacent compartments until the sealing inspection of all the compartments of the block is completed. According to the immersed tube tunnel steel shell compartment sealing test method, the compartments are vacuumized one by one according to the number sequence of the test sequence route map, the air inlet conditions of the adjacent compartments are observed to judge the sealing performance, the positions of the partition plates poor in sealing are determined, the problem that a large amount of manpower, material resources and working hours are consumed in existing compartment sealing test is solved, the operation method is simple, the inspection result is visual and accurate, the inspection efficiency is high, and the method is not influenced by environmental factors.

Description

technical field [0001] The invention relates to the technical field of detection of steel shells of immersed tube tunnels, in particular to a sealing inspection method for compartments of steel shells of immersed tube tunnels. Background technique [0002] In the construction of cross-sea and cross-river passages, steel shells of immersed tunnels spliced ​​by several immersed tube joints are usually used. There are more than 1,000 independent compartments in a standard pipe joint, and there are more than 2,000 process holes in the compartments; moreover, the transverse diaphragms passing through the compartments are sealed with watertight patch panels, and there are more than 10,000 places. Watertight patch. In order to ensure the pouring quality of the concrete, it is required that adjacent compartments shall not be strung together when pouring, and all the process holes of the clapboard, watertight patch panels and welds of the clapboard shall be welded and sealed. [00...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for inspecting the seal of steel shell compartments in immersed tube tunnels, which can improve the problems of consuming a lot of manpower, material resources and working hours in the existing compartment seal inspections. The operation method is simple, the test results are intuitive and accurate, and the test efficiency is high. Not affected by environmental factors

Images