7Wang C, Wang Y, Lu S. Deformational behaviourofroadways in soft rocks in underground coal mines and principles for stability control[J].Int. J. RockMech. andMin. Sci., 2000, 37(6): 937-946
8Stankus J C, Peng S S. Floor bolting for control of mine floor heave[J].Mining Engineering, 1994, 46(9): 1 099-1 102
