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Gold Science and Technology ›› 2016, Vol. 24 ›› Issue (5): 80-85.doi: 10.11872/j.issn.1005-2518.2016.05.080

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Ahead Geological Forecast in Drift Based on TRT Seismic Reflection Imaging

HU Jianhua,ZHAO Chenye,TIAN Weigang   

  1. School of Resources and Safety Engineering,Central South University,Changsha   410083,Hunan,China
  • Received:2016-06-29 Revised:2016-07-27 Online:2016-10-28 Published:2016-12-27

Abstract:

As geological conditions complex,mine roadway adverse geologic body had become one of the main safety threat in the roadway drivage construction.In order to improve the mine construction safety and realize mine roadway excavation efficiently,the TRT system was applied to the advanced prediction in underground mining roadway drivage.Combined with the example of roadway drivage engineering cases vein 8# stage 760 of a mine in Hunan Province,designed the mine roadways under the condition of narrow space field detection TRT and advanced detection scheme,the results show that TRT detection system can output the specified geological area reflection seismic wave three-dimensional tomographic images,according to the results of three-dimensional wave field information interpretation constraints to predict a regional geological structures,forecast ahead of roadway excavation is firmly proved.Drivage scheme according to the forecast results of the analysis put forward suggestion to adjust,guaranteed the efficiency and safety of construction.

Key words: TRT technology, ahead geological forecast, roadway excavation, seismic reflection tomography

CLC Number: 

  • TD163

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