Tunnel structure monitoring system based on distributed long-gauge-length fiber grating

Tunnel structure monitoring system based on distributed long-gauge-length fiber grating

The utility model discloses a tunnel structure monitoring system based on distributed long-gauge-length fiber grating. The system is comprehensively provided with distributed long-gauge-length fiber grating sensors along the axial direction and the cross section of a tunnel in a monitoring range, an...

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Hauptverfasser: XU HUIJIE, SONG GUOXIA, WANG JIANI, TAO JIN, LI JINTAO
Format: Patent
Sprache:eng
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ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS
MEASURING
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE
MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
PHYSICS
TARIFF METERING APPARATUS
TESTING
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creator XU HUIJIE
SONG GUOXIA
WANG JIANI
TAO JIN
LI JINTAO
description The utility model discloses a tunnel structure monitoring system based on distributed long-gauge-length fiber grating. The system is comprehensively provided with distributed long-gauge-length fiber grating sensors along the axial direction and the cross section of a tunnel in a monitoring range, and vertical settlement of the tunnel and changing conditions of joints of various rings of a shield tunnel are monitored. The tunnel structure monitoring system is applicable to life-cycle monitoring in a construction period and a service period of the tunnel structure, and dynamic and real-time monitoring of vertical settlement, clearance convergence, joint deformation, segment internal force, and strain etc. of the tunnel structure can be realized.
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subjects ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS
MEASURING
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE
MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
PHYSICS
TARIFF METERING APPARATUS
TESTING
title Tunnel structure monitoring system based on distributed long-gauge-length fiber grating
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