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Strip type surrounding rock pressure monitoring device, monitoring method and mounting method

A surrounding rock pressure and monitoring device technology, applied in the field of measuring devices, strip type surrounding rock pressure monitoring devices, and tunnel construction, to avoid distortion of results, improve accuracy, and improve the survival rate of instruments

Active Publication Date: 2021-06-08
SHANGHAI TONGYAN CIVIL ENGINEERING TECHNOLOGY CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0020] The purpose of the present invention is to provide a strip-type surrounding rock pressure monitoring device, monitoring method and installation method in order to overcome the above-mentioned defects in the prior art, so as to solve the technical problem of distributed and refined perception of the surrounding rock pressure in the tunnel

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  • Strip type surrounding rock pressure monitoring device, monitoring method and mounting method
  • Strip type surrounding rock pressure monitoring device, monitoring method and mounting method
  • Strip type surrounding rock pressure monitoring device, monitoring method and mounting method

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Embodiment Construction

[0091] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0092] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The invention relates to a strip type surrounding rock pressure monitoring device, a monitoring method and a mounting method. The monitoring device covers the full-section range of a tunnel in the circumferential direction and comprises an upper protection layer, a lower protection layer and a pressure sensor, and the pressure sensor is packaged between the upper protection layer and the lower protection layer; and the pressure sensor comprises a plurality of pressure-sensitive units which are distributed in a strip shape, each pressure-sensitive unit comprises a plurality of pressure-sensitive elements, and each pressure-sensitive element comprises a plurality of film-type piezoresistors. Compared with the prior art, measurement deviation caused by surrounding rock joints can be effectively avoided, the surrounding rock pressure of any position in the middle can be accurately calculated, and the purpose of sensing the surrounding rock pressure in a full-section distributed and refined mode is achieved.

Description

technical field [0001] The invention belongs to the technical field of tunnel engineering, and relates to a tunnel construction, measuring device and method, in particular to a strip-type surrounding rock pressure monitoring device, a monitoring method and an installation method. Background technique [0002] The surrounding rock pressure is the direct load borne by the tunnel structure, that is, the contact pressure along the normal direction of the contour of the tunnel support structure. Excessive or uneven distribution of surrounding rock pressure may cause risks such as lining cracking, water leakage and block falling. Accurate monitoring of surrounding rock pressure is crucial to the long-term safe operation of tunnels. [0003] At present, earth pressure cells or flexible earth pressure gauges are mainly used to monitor the surrounding rock pressure. The main types include vibrating wire type, resistive type, and fiber grating type. The thickness of the existing mon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L1/18G01L5/162
CPCG01L1/18G01L5/162
Inventor 刘学增桑运龙陈许蓬孙州师刚
Owner SHANGHAI TONGYAN CIVIL ENGINEERING TECHNOLOGY CORP LTD
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