Study on Reasonable Coal Pillar Width of Gob-Side Roadway Excavating with Multi-Layer Hard Roof in Western Deep Mine
Changliang Han, Houqiang Yang, Nong Zhang, Xudong Li, Yitao Liu, Wentao Liu, Wei Yao
Topics & Concepts
RoofMining engineeringCoalCoal miningGeotechnical engineeringExcavationHydrogeologyStress (linguistics)Displacement (psychology)PillarGeologyInflection pointEngineeringStructural engineeringGeometryWaste managementMathematicsPsychotherapistLinguisticsPhilosophyPsychologyGeomechanics and Mining EngineeringRock Mechanics and ModelingGrouting, Rheology, and Soil Mechanics