1[1]MEDHURST T P,BROWN E T.A study of the mechanical behavior of coal for pillar design[J].Int J Rock Mech Min Sci,1998,35(8):1087-1105.
2[4]QU Qun-di.Study on distressing technology for a roadway driven along goaf in a fully mechanized top coal caving face[J].Journal of Coal Science & Engineering,2003,9(1):33-37.
3[6]JAYANTHU S,SINGH T N,SINGH D P.Stress distribution during extraction of pillars in a thick coal seam[J].Rock Mechanics and Rock Engineering,2003(11):1-22.
