Distribution of vertical stresses in the roof of #3 up coal seams. (a)

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Layouts of the 2-2 upper and 2-2 middle coal seams.

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Distribution of vertical stresses in the roof of #3 up coal seams. (a)

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Process of overburden failure in steeply inclined multi-seam mining: insights from physical modelling

Process of overburden failure in steeply inclined multi-seam mining: insights from physical modelling

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Determination of fracture location of double-sided directional fracturing pressure relief for hard roof of large upper goaf-side coal pillars - Jiangwei Liu, Changyou Liu, Xuehua Li, 2020