CASES


【Engineering geology】Detection of urban shallow underground abnormal body

Time:2019-3-8

Location: Susong Road subway line in Hefei city

Task: Geological line micro exploration of the base layer of the road

Operation time: March 8, 2019

Weather condition: fine

Operating equipment: GN201E

Operation parameters: triple circular array observation system, array radius of 1 m-2 M-4 m, 2 Hz broadband geophone, sampling rate of 250 Hz, gain of 0 dB.

Operation results: the micro motion results accurately detected the location of the underground channel, which corresponded to the drilling results very well.

Operation site: strong earthquake interference source does not affect the quality of micro motion data acquisition.


Data processing:



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