Stress Distribution Law of “Three Hard” Surrounding Rock Tunnel with Great Depth and Thick Seams and Numerical Simulation Analysis

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HE Xiao-Jun, WU Jian-Hu, ZHANG Chun-Meng, XIAO Bin, WANG Yu-Ling, LI Cheng-Fei

Modern Mining . 2013, (01): 14 -16+41 .