Tunnel lining water pressure monitoring system testing device and testing method

A monitoring system and test device technology, applied in the direction of measuring devices, using stable tension/pressure testing material strength, instruments, etc., can solve the problems of validity and monitoring data accuracy testing, etc., to ensure authenticity and reliability sexual effect

Pending Publication Date: 2019-05-07
CHINA RAILWAY ERYUAN ENG GRP CO LTD
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Problems solved by technology

[0004] The purpose of the present invention is to provide a tunnel lining water pressure monitoring system test device and test method to solve the problem that the current water pressure monitoring syste

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  • Tunnel lining water pressure monitoring system testing device and testing method
  • Tunnel lining water pressure monitoring system testing device and testing method

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[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0027] This embodiment discloses a tunnel lining water pressure monitoring system test device, which includes a box body and a tunnel model fixed inside the box body. Both ends of the tunnel model communicate with the outside world. The space is filled with a surrounding rock model, the box and the water tank are connected to each other through the water inlet pipe, the box is provided with a drainage valve, the outer wall of the tunnel model is provided with a displacement gauge, and the surrounding rock model is embedded with a pressure measuring tube, which extends to The outside of the box is c...

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Abstract

The invention discloses a tunnel lining water pressure monitoring system testing device. The device comprises a box body and a tunnel model fixed in the box body. Two ends of the tunnel body are communicated with the outside world. An outer wall of the tunnel model and an inner wall of the box body form an enclosed space. The enclosed space is filled with a surrounding rock model. The box body isintercommunicated with a water tank through utilization of water inlet pipes. Drainage valves are set on the box body. Displacement meters are set on the outer wall of the tunnel model. Piezometric tubes are buried in the surrounding rock model. The piezometric tubes extend outside of the box body and are connected with pressure gages. The tunnel model comprises permeable and waterproof tunnel models. The invention also discloses a testing method based on the tunnel lining water pressure monitoring system testing device. The invention aims at providing the tunnel lining water pressure monitoring system testing device and the testing method, for the problem that according to an existing water pressure monitoring system, effectiveness of the device and accuracy of monitoring data are not tested in advance. The effectiveness and accuracy of a tunnel lining water pressure monitoring system can be ensured.

Description

technical field [0001] The invention belongs to the technical field of tunnel lining water pressure monitoring system. Specifically, it relates to a test device and a test method for a tunnel lining water pressure monitoring system. Background technique [0002] Under special geological conditions such as karst, although the tunnel is designed with a drainage system, there may still be a dangerous situation where the tunnel lining is subjected to high water pressure in a short period of time under extreme weather conditions. For example, after long-term rainfall on the surface, the water pressure behind the tunnel lining in karst tunnels and groundwater horizontal circulation zones may rise rapidly. In recent years, on the newly opened Guizhou-Guangzhou Railway and Yuli Railway in the mountainous areas of Southwest China, the water pressure behind the lining of many karst tunnels suddenly increased during the rainy season, causing the lining to deform, the inverted arch to ...

Claims

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Application Information

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IPC IPC(8): G01N3/02G01N3/12
Inventor 谭信荣胡炜李奎喻渝蒋尧高柏松郑小艳
Owner CHINA RAILWAY ERYUAN ENG GRP CO LTD
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