Results 181 to 190 of about 12,068 (222)

Composition characteristics of soft coal seams with large inclination angles and mining heights and the deformation of roadway surrounding rocks. [PDF]

Sci Rep
Sun G, Liu L, Ao Y, Hu Y, Wang S, Kang X, Liu Y.   +6 more
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Effects of particle size and moisture on respirable coal dust generation in pakistan's informal bituminous mines. [PDF]

Sci Rep
Khan S, Song Z.
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Research on the stability of stope roof and barrier pillars in short-wall interval filling mining. [PDF]

Sci Rep
Wang C, Huang Y, Zhang Z, Su L, Lu H, Hao Y.   +5 more
europepmc   +1 more source

Mechanism and control technology of roadway floor heave deformation and failure under the influence of repeated mining in multiple coal seams. [PDF]

Sci Rep
Yuping F, Yiming R, Yongliang H, Chuantian L.   +3 more
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Distribution law and control of the second invariant of deviatoric stress in gob-side entry retaining. [PDF]

Sci Rep
Jiang D, Guo J, Sun G, Li J, Xu X, Ma Q.
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Mechanical analysis and application of floor failure mechanism under repeated mining in close-distance coal seams. [PDF]

Sci Rep
Li Y, Yao Y, Zhu T, Zeng F, Chang G.
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Study on the failure law of overlying rock under coal seam in close distance coal seam and feasibility discrimination of upward mining. [PDF]

Sci Rep
Miao Y.
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Optimization study on transverse mining zoning during the capacity expansion stage of nearly horizontal open-pit coal mines. [PDF]

Sci Rep
Wen Y, Song Z, Su Q, Liu Z, Wu C, Zhang L.   +5 more
europepmc   +1 more source

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Dynamic structural evolution of overlying strata during shallow coal seam longwall mining

International Journal of Rock Mechanics and Mining Sciences, 2018
Chenlong Wang, Changsuo Zhang, Xiaodong Zhao, Lin Liao, Shengli Zhang   +4 more
openaire   +3 more sources

Fault-Scattered Seismic Guided Waves in a Shallow Coal Seam

Exploration Geophysics, 1992
Over the past two decades guided waves — propagating within low-velocity/low-density coal seams — have regularly been exploited by the coal industry to detect geologic disturbances ahead of longwal...
D. R. Pant, S. A. Greenhalgh, S. Cao
openaire   +1 more source