Multichannel waterproof test device for shield tunnel segment joints

A shield tunnel segment and waterproof test technology, which is applied in the direction of liquid tightness measurement using liquid/vacuum degree, and can solve the problems such as the improvement of shield tunnel waterproof requirements

Pending Publication Date: 2018-09-21
SOUTHWEST JIAOTONG UNIV +1
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0004] Most of the existing shield tunnel segment seams are waterproof in the form of a single-channel elastic gasket. There is no joint waterproof performance test device for multi-line defense waterproofing at home and abroad, which cannot meet the needs of shield tunnels. The diameter is gradually increasing and the waterproof requirements are increasing.

Method used

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  • Multichannel waterproof test device for shield tunnel segment joints
  • Multichannel waterproof test device for shield tunnel segment joints
  • Multichannel waterproof test device for shield tunnel segment joints

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with accompanying drawing:

[0025] combine figure 1 , figure 2 and image 3 As shown, the present invention includes a unit substrate 1, and the unit substrate 1 is provided with a ring-shaped gasket groove 9;

[0026] There are three gasket grooves 9, and they are the inner layer gasket groove, the middle layer gasket groove, and the outer layer gasket groove, and the groove widths of the three gasket grooves 9 are all different;

[0027] There are two unit substrates 1, and the two unit substrates 1 are detachable structures connected by bolts 2;

[0028] The inner layer, middle layer, and outer layer gasket grooves of the two unit substrates 1 are arranged in a one-to-one correspondence;

[0029] The connecting bolt holes of the two unit substrates 1 are L-shaped bolt holes 8;

[0030] One of the unit substrates 1 is provided with three water inlet and outlet holes 5, and the three water inle...

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Abstract

The invention discloses a multichannel waterproof test device for shield tunnel segment joints and belongs to the technical field of shield tunnel engineering. The waterproof test device is provided therein with inner, middle and outer sealing pad grooves having three different sizes, can test three sealing pads of different sizes, can perform dual-waterproof and triple-waterproof tests, can simulate the waterproof environment of shield tunnel joints more realistically and comprehensively, and can meet the requirements of existing tunnel technical requirements.

Description

technical field [0001] The invention belongs to the technical field of shield tunnel engineering, and in particular relates to a multi-channel waterproof test device for shield tunnel segment seams, which can realize the multi-channel waterproof sealing gasket in simulated shield tunnel segment seams in the state of through joints and staggered joints. Road waterproof and watertight test device test. Background technique [0002] With the rapid development of my country's urbanization process, there is a huge demand for the construction of tunnels such as subways and river passages. Shield tunnels, as the main form of tunnels, play an important role. The waterproof problem of underground engineering has always been concerned by the majority of technical personnel, and for shield tunnels, due to long-term immersion and corrosion by groundwater, waterproof performance is very important. The waterproofing of the shield tunnel is not only related to the normal function of the t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/02
CPCG01M3/02
Inventor 何川封坤谢宏明梁敏飞
Owner SOUTHWEST JIAOTONG UNIV
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