GuangzhouMetroCorporation;
Guangzhou510030;
China;
HebiCoalMineAdminlstration;
Hebi458000;
China;
InstituteofRockMechanlesandFractals;
BeijingCampus;
ChinaUniversityofMiningandTechnology;
Beijing100083;
China;
钢纤维增强喷射混凝土; 隧道; 软弱岩层; 数学模型; 煤矿;