Experimental and measured research on three-dimensional deformation law of gas drainage borehole in coal seam
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DOI: 10.1016/j.ijmst.2020.04.001
Abstract: Abstract Using self-researched gas drainage borehole stability dynamic monitoring device, three-dimensional deformation characteristics of borehole under steady vertical load were researched experimentally and systematically. This research indicated that under the action of steady loading, the… read more here.
Keywords: strain; drainage borehole; borehole; gas drainage ... See more keywords