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JIANG Wei, YANG Shengli, KONG Dezhong. Application of Strata Detector Recorder in Roof Detection[J]. Safety in Coal Mines, 2016, 47(1): 123-125,129.
Citation: JIANG Wei, YANG Shengli, KONG Dezhong. Application of Strata Detector Recorder in Roof Detection[J]. Safety in Coal Mines, 2016, 47(1): 123-125,129.
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Application of Strata Detector Recorder in Roof Detection

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  • Published Date: January 19, 2016
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    • Abstract
  • Aiming at problem in Chenmanzhuang Coal Mine that fractured roof affects the normal production of working face, using YJT 20 strata detector recorder, we conducted comprehensive observation to the roof of track roadway in Chenmanzhuang Coal Mine 3206 working face of Shandong Feicheng Group. Roof separation position and the development of fracture of the abutment pressure influence section, normal section, geological structure influence section of track roadway and crossheading in 3206 working face has been detected and analyzed. The results show that lead abutment pressure and geological structure have influence on the developing state of fracture in track roadway roof; roof separation was severe at the intersection of track roadway and crossheading.
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    • References (10)
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