The Coal Face Failure Controlling Mechanism and Parameter Optimization of ‘Manila + Grouting’ Technology in a Large-Cutting-Height Panel
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DOI: 10.1007/s10706-019-01064-z
Abstract: With the exposure of these problems of low ductility, easy breakage and high cost of grouting anchor cable, the application of “manila + grouting” full length anchorage technology in the prevention and controlling of coal face failure… read more here.
Keywords: face failure; coal face; technology; manila ... See more keywords
Analysis of coal face stability of lower coal seam under repeated mining in close coal seams group
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DOI: 10.1038/s41598-021-04410-5
Abstract: Aiming at the problem of coal face failure of lower coal seam under the influence of repeated mining in close coal seams, with the working face 17,101 as a background, the coal samples mechanics test… read more here.
Keywords: face; face failure; repeated mining; coal face ... See more keywords