Feasibility study on multi-seam upward mining of multi-layer soft–hard alternate complex roof
Yuben Liu, Jiulong Cheng, Junjun Jiao, Xiangxi Meng
Topics & Concepts
OverburdenCoal miningGeologyMining engineeringBoreholeLithologyRoofFracture (geology)Geotechnical engineeringCoalStratumPetroleum engineeringPetrologyEngineeringCivil engineeringWaste managementRock Mechanics and ModelingGeomechanics and Mining EngineeringGeophysical Methods and Applications