Subway tunnel deformation displacement early warning acquisition system and analysis method

The invention relates to a subway tunnel deformation displacement early warning acquisition system and an analysis method, and belongs to the technical field of tunnel safety early warning. The systemcomprises a comprehensive safety early warning server, a distributed optical fiber demodulation modu...

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Hauptverfasser: SUN PUSHENG, ZHANG XINRAN, QIU BINGSHUI, SUN ZHENGYI, GUO FUCHENG, PAN TONGBIN, SUN KUANKUN, FENG YU
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creator SUN PUSHENG
ZHANG XINRAN
QIU BINGSHUI
SUN ZHENGYI
GUO FUCHENG
PAN TONGBIN
SUN KUANKUN
FENG YU
description The invention relates to a subway tunnel deformation displacement early warning acquisition system and an analysis method, and belongs to the technical field of tunnel safety early warning. The systemcomprises a comprehensive safety early warning server, a distributed optical fiber demodulation module, an optical fiber and early warning acquisition module and the like. The optical fiber is laid in the direction of a subway tunnel and connected with the early warning collection module for detecting deformation and displacement of the subway tunnel, and the early warning collection module comprises an optical fiber acoustic wave sensor, an optical fiber grating strain sensor and an optical fiber grating static leveling instrument. After the comprehensive safety early warning server receivesinformation of the optical fiber acoustic wave sensor, the grating strain sensor or the grating static force level gauge, the alarm is controlled to act through comprehensive analysis and judgment. Vibration, deformation and
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subjects GYROSCOPIC INSTRUMENTS
MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING DISTANCES, LEVELS OR BEARINGS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SURVEYING
TESTING
title Subway tunnel deformation displacement early warning acquisition system and analysis method
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