Mechanism and practice of rock control in deep large span cut holes

Mining Science and Technology (China) - Tập 21 - Trang 891-896 - 2011
Chong Li1,2, Jinhai Xu1, Chunsheng Fu2, Rui Wu1, Qianqian Ma1
1State Key Laboratory of Coal Resources and Mine Safety, School of Mines, China University of Mining & Technology, Xuzhou 221008, China
2Mining and Construction Department, Jiangxi Polytechnic College, Pingxiang 337055, China

Tài liệu tham khảo

Yang, 2010, Evolution mechanism of anchoring stress and its correlation with anchoring length, J Min Saf Eng, 27, 1 Wang, 2008, Side abutment pressure distribution by field measurement, J China Univ Min Technol, 18, 527, 10.1016/S1006-1266(08)60288-6 Gao, 2009, Resist-decreasing effects of rock bolts on strength of rock mass around roadway-insight from numerical modeling, Min Sci Technol, 19, 425 Lars, 2008, Interaction of shotcrete with rock and rock bolts—a numerical study, Int J Rock Mech Min Sci, 45, 538, 10.1016/j.ijrmms.2007.07.024 Zhang, 2008, Research and application of parameters of bolts in large section open-off cut of fully mechanized caving face, J Min Saf Eng, 25, 113 Kan, 2009, Analysis of excavation method of large span open-off cut in deep mine, J Min Saf Eng, 26, 163 Kang, 2010, Case studies of rock bolting in coal mine roadways, Chin J Rock Mech Eng, 29, 649 Chen, 1994 Zhao H. Comprehensive analysis of dynamic destabilization to roadway of a large scale across-section in the crushed rocks conditions. Ph.D. dissertation. Xi’an: Xi’an University of Science and Technology; 2008. Bai, 2006, Control principle of surrounding rocks in deep roadway and its application, J China Univ Min Technol, 35, 145 Zhu, 2010, Research on bolt-cable reducing span support technology in large span roadway of fully-mechanized coal faces, Eng Sci, 12, 51 Wu, 2008, Zonal disintegration phenomenon in rock mass surrounding deep tunnels, J China Univ Min Technol, 18, 187, 10.1016/S1006-1266(08)60040-1 Sun, 2009, Numerical simulation of the effect of coupling support of bolt–mesh–anchor in deep tunnel, Min Sci Technol, 19, 352 Yang, 2010, A no-tension elastic–plastic model and optimized back-analysis technique for modeling nonlinear mechanical behavior of rock mass in tunneling, Tunnel Undergr Space Technol, 25, 279, 10.1016/j.tust.2010.01.001 Guo, 2010, Double-directional control bolt support technology and engineering application at large span Y-type intersections in deep coal mines, Min Sci Technol, 20, 254