1The fundemental theoretial and engineering research on the green safe no coal pillar mining model by mainly using coal gangue backfillSONG Zhen-qi, CUI Zeng-di, XIA Hong-chun, TANG Jian-quan, WEN Zhi-jie705-7102Study on the technique of equilibrium mining for high gassy fully mechanized top-coal caving faceHU Guo-zhong, XU Jia-lin, HUANG Jun-wan, KONG Xiang, QIN Wei711-71633D geostress field distribution and roadway layout optimization in Sihe MineZHENG Shu-bing717-7224Numerical simulation of the strain localization of the surrounding rock of a circular tunnel at different pore pressuresWANG Xue-bin, WANG Wei, PAN Yi-shan723-7285Numerical analysis for the shear characteristic of structure plane reinforced by rock bolt in rock massWANG Zhong-wen, FANG Jian-qin729-7336Experimental study on coated modification of soft rock with high kaolinite contentCHAI Zhao-yun, KANG Tian-he, YANG Yong-kang, WANG Dong, LI Yi-bao734-7387Displacement prediction method of underground excavation based on self-memorization model of dynamic systemLIU Xiang-ping, XIE Xue-bin, HUANG Dong, LUO Yi-zhong739-7448Roof thickness of rock underground cavern under vehicle dynamic loadJIANG Xue-liang, YANG Hui, CAO Ping745-7499Research of ore drawing method of broken ore and rock based on Bergmark-Roos equationTAO Gan-qiang, YANG Shi-jiao, LIU Zhen-dong, REN Qing-yun750-75410GPS/pseudolites technology for the slope deformation monitoring in open-pit mineLIU Chao, GAO Jing-xiang, WANG Jian, LIU Yan755-75911Shaft structural design and optimization of deep freezing bedrock shaft in west areaYAO Zhi-shu, CHENG Hua, RONG Chuan-xin760-76412Coal geology:its meaning and development trendCAO Dai-yong, WANG Tong, WANG Dan, ZHENG Zhi-hong765-76913Spectral analysis for ground penetrating radar surveys of the underground coal fire in Wuda Coal MineYANG Feng, PENG Su-ping, MA Jian-wei, HE Shuang770-77514Deposition characteristics and coal-forming regularity of the upper-Es3 in southern eastern sag of Liaohe depressionHAN Zuo-zhen, GAO Li-hua, YANG Ren-chao, FAN Ai-ping, XU Xue-bei, CHEN Jin-yong, LIU Ya-nan776-78115Optimal approximation of coal seam floor surfaces with dip-strike and elevation constraintsSONG Xian-feng, XU Fang-zhou782-78616Permitted build-up rate of completion strings in multi-branch CBM wellYAN Xiang-zhen, ZHANG Yan-tao, WANG Tong-tao, YANG Xiu-juan787-79117Experimental study on technology of accelerating methane release by nitrogen injection in coalbedYANG Hong-min, ZHANG Tie-gang, WANG Zhao-feng, ZHAO Chang-chun792-79618Simulation on coal and gas outburst with Discontinuous Deformation Analysis methodLIU Yong-qian, YANG Jun, ZHANG Yu-gui797-80119Calculation of ignition times under adiabatic conditions by activation energyLI Lin, JIANG De-yi, B.B.Beamish802-80520Mine water inrush prediction based on fractal and support vector machinesHUANG Cun-han, FENG Tao, WANG Wei-jun, LIU Hui806-810