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Field and numerical investigations of gateroad system failure induced by hard roofs in a longwall top coal caving face

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Effect of bolting on roadway support in extremely weak rock

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Coupled disaster-causing mechanisms of strata pressure behavior and abnormal gas emissions in underground coal extraction

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Pressure relief and structure stability mechanism of hard roof for gob-side entry retaining

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The fracture mechanism and acoustic emission analysis of hard roof: a physical modeling study

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Development of roof bolting use in Polish coal mines

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Deep-hole directional fracturing of thick hard roof for rockburst prevention

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