Key technology of gob-side entry retained by roof cutting without coal pillar for hard main roof: A typical case study
Hengzhong Zhu, Zhijie Wen, Lei Xu, Fulian He
Topics & Concepts
RoofMining engineeringCoalEngineeringCoal miningPillarGeotechnical engineeringGangueRock blastingWaste managementCivil engineeringStructural engineeringMaterials scienceMetallurgyRock Mechanics and ModelingCoal Properties and UtilizationMineral Processing and Grinding