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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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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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</abstract><oa>free_for_read</oa></addata></record> |
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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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