【engineering geology】detection of urban shallow underground abnormal body-和记娱乐平台
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: