1Two-step gob-side entry driving technology of pre-build artificial side substitute for narrow coal pillarZHANG Dong-sheng, WANG Hong-sheng, MA Li-qiang1589-15932Recovery technology in the roadway with slope-changing and bottom-mining methods of coal near the floor in the face end area of large mining height fully mechanized faceYUAN Yong, TU Shi-hao, WU Qi, MA Xiao-tao, TU Hong-sheng, BAI Qing-sheng1594-15983The stent adaptability of steep fully mechanized working face under the complex conditionsCAO Shu-gang, XU Jian, LEI Cai-guo, PENG Yong, LIU Hua-lin1599-16034Yield surface constitutive creep model and stability analysis of soft rock roadwayLI Dong-wei, WANG Ren-he, FAN Ju-hong1604-16085Probability distribution of mechanics parameters and reliability exploration of surrounding rock underground chamberYAN Chun-ling, DING De-xin, TANG Yi-qun, BI Zhong-wei1609-16146Wall soil stability analysis of vertical ridge unlined loess tunnel under earthquakeCHENG Xuan-sheng, ZHENG Ying-ren1615-16207Research on failure of rock and soil mass under earthquakeYAN Zhi-xin, CAI Han-cheng, WANG Qun-min, CAO Xiao-hong, ZHANG Liu-ping1621-16268Influence of rotation angle of principal stress axes between loading cycles on aplite granite's Kaiser effectXIE Qiang, JIANG Xiao-cheng, YU Xian-bin, Carlos Dinis da Gama1627-16329Numerical simulation of fore detecting with seismic in coal roadway and study of wave field characteristicsYANG Si-tong, CHENG Jiu-long1633-163710A calculation model for gas flow rates in surfaces boreholes extracting gas from pressure-relieved seams and gobsZHOU Fu-bao, XIA Tong-qiang, LIU Ying-ke, HU Sheng-yong, ZHANG Zhan-guo1638-164311Study on propagation laws of shock wave in coal-rock mass under the effect of gas outburstWU Ai-jun, JIANG Cheng-lin, TANG Jun1644-164812Mechanism research on sound field promoting the coal bed methane desorptionJIANG Yong-dong, XIONG Ling, YANG Xing-yang, XIAN Xue-fu1649-165313The law of methane gas leak flow in adjacent layer and its relief-pressure protection regionHU Guo-zhong, WANG Hong-tu, FAN Xiao-gang1654-165914Experiment research of the coupling relationship between dust field and droplet field about fully mechanized and roof caving workfaceZHOU Gang, CHENG Wei-min, WANG Gang, CUI Xiang-fei1660-166415Numerical simulation of grouting for stopping up water in water inrush accident of coal mineXU Bo-hui, DING Shu-li, BAI Feng-qing1665-166916The distribution of fissures/cracks and its permeability with coal fire zonesZENG Qiang, WANG De-ming, CAI Zhong-yong1670-167317Fisher discriminant analysis to the classification of spontaneous combustion tendency grade of sulphide oresHU Han-hua, LIU Zheng, LI Zi-jun, CUI Tian-tian1674-167918The renewed understanding for the distribution of coalbed methane and the controlling factor in JinchengLI Gui-hong, ZHANG Hong, ZHANG Pei-he, JIN Xiang-lan, MOU Quan-bin1680-168419Design calculation of sucker rod pumps in coalbed methane wellsLIU Xin-fu, QI Yao-guang, LI Yan-xiang, LIU Chun-hua1685-169120Laboratory research on degradable drilling fluid for pinnate horizontal well based on coalbed methaneYUE Qian-sheng, ZOU Lai-fang, JIANG Guang-zhong, TIAN Zhong-lan, HU You-lin, WANG Wei-ying, HUANG Zhi-qiang1692-1695