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Installation device for osmometer of hydraulic pressure monitoring system for tunnel lining and installation method

A technology for monitoring systems and installation devices, applied in tunnel linings, measuring devices, safety devices, etc., can solve the problems that the accuracy of water pressure monitoring cannot meet the requirements, and achieve the effects of convenient and quick replacement and maintenance, convenient construction, and guaranteed monitoring accuracy

Pending Publication Date: 2019-04-26
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 piezometer installation device and installation method for a tunnel lining water pressure monitoring system in view of the problem that the accuracy of water pressure monitoring cannot meet the requirements in the installation of piezometers in the prior art

Method used

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  • Installation device for osmometer of hydraulic pressure monitoring system for tunnel lining and installation method
  • Installation device for osmometer of hydraulic pressure monitoring system for tunnel lining and installation method
  • Installation device for osmometer of hydraulic pressure monitoring system for tunnel lining and installation method

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Embodiment Construction

[0022] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.

[0023] This embodiment discloses a piezometer installation device for a tunnel lining hydraulic pressure monitoring system, such as Figure 1-5 As shown, it includes a pipeline embedded in the tunnel concrete (specifically, the concrete in the tunnel invert and the inverted arch filling part). The two ends of the pipeline are higher than the middle, one end is connected with the longitudinal blind pipe behind the lining, and the other end is connected by the tunnel The inverted arch extends to the tunnel space, and the middle part is located under the drainage side ditch and the cable trough; ...

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Abstract

The invention discloses an installation device for an osmometer of a hydraulic pressure monitoring system for a tunnel lining. The installation device comprises a pipeline pre-buried in tunnel concrete, the two ends of the pipeline are higher than the middle part of the pipeline, one end of the pipeline is communicated with a longitudinal blind pipe located at the back of the lining, the other endof the pipeline extends out from a tunnel inverted arch to a tunnel space, the middle part of the pipeline is located below a gutter, the end, extending out to the tunnel space, of the pipeline is used for installing the osmometer, and the osmometer is enabled to be communicated with the back of the tunnel lining. The invention further provides an installation method based on the installation device. The installation device for the osmometer of the hydraulic pressure monitoring system for the tunnel lining and the installation method aim to solve problem that in the prior art, in the aspect of the installation of an osmometer, the hydraulic pressure monitoring precision cannot meet the requirements. According to the installation device and the installation method, seepage water is alwaysleft in the adopted pipeline, so that the working environment of the osmometer can meet the requirements, and therefore the detection precision of the osmometer is guaranteed; and meanwhile, the device bypasses an inverted arch side wall formwork, the phenomenon that the device penetrates through a steel formwork in the installation process can be avoided, and the construction is convenient.

Description

Technical field [0001] The invention belongs to the technical field of tunnel lining hydraulic pressure monitoring systems. Specifically, it relates to a piezometer installation device and installation method of a tunnel lining hydraulic pressure monitoring system. Background technique [0002] Osmometer is also called pore water pressure gauge or osmotic pressure gauge, which is a sensor used to measure pore water pressure or osmotic pressure inside a structure. The piezometer is suitable for long-term buried in hydraulic structures or other concrete structures and soil bodies to measure the seepage (pore) water pressure inside the structures or soil bodies. [0003] In the current tunnel lining hydraulic pressure monitoring system, most of the piezometers are directly buried between the tunnel structure and the surrounding rock, or buried in the surrounding rock, and a small number of them are connected to the groundwater behind the lining through straight pipes for hydraulic pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D11/10E21F16/02E21F17/00G01N15/08G01L7/00
CPCE21D11/10E21F16/02E21F17/00G01L7/00G01N15/0826
Inventor 谭信荣胡炜喻渝李奎蒋尧高柏松徐骏郑小艳
Owner CHINA RAILWAY ERYUAN ENG GRP CO LTD
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