1Evaluation system of intelligent open-pit mineFU En-san, LIU Guang-wei, BAI Run-cai, WANG Liang, ZHANG Jin-peng, WEI Shi-zhuangDesign Technology1-82Equipment selection and adaptive design of rock drifting with TBM in deep coal mineGUO Xiao-sheng, ZHOU Chang-kuan, CUI Guo-gang, FU Xin, DING Zi-wei, WANG Wei-qinDesign Technology9-133Design of on-line detection system for coal mine power qualityZHAO Yong-hongDesign Technology14-184Feasibility analysis of end slope and steep slope mining technology in Hequ Open-pit MineLUO Ke, MA Li, LIU Chen-dong, LYU Gui-long, SHI Lei, XU Tian-xin, XUE FeiDesign Technology19-255Restraint state analysis of the support of flat space trussGAO Yan, YANG Xiao-jun, JIAO Xiao-zheDesign Technology26-316Mechanism of floor heave and reinforced support techniques for gob-side roof cutting entry in deep mineFU Zhen-jiang, LI Chun-yuanConstruction Technology32-397Mechanism and control measures of floor heave in soft rock mining roadway in Mindong No. 1 MineZHAO Zhi-zeConstruction Technology40-448Flame-retardant PVC concrete column support for fully-mechanized caving face crossing abandoned roadwayLYU Wei-yun, REN Zhuo-xinConstruction Technology45-499Application of mounted jumbolter in roadway supporting and coal seam water injectionRUAN Jin-lin, LI Wang-nian, ZHONG Zi-chengConstruction Technology50-5310Bolt-mesh-cable support in coal roadway under goafMENG Wu-feng, DONG She, QIN Wei-chaoConstruction Technology54-5811Fine management of driving-mining connection in Shendong mining areaGAO Deng-yun, LI Rui-qun, HOU Zhi-chengProduction Technology59-6212Parameters of staggered double buried-pipe for gas extraction in upper cornerNI Lian-qin, GAO JieProduction Technology63-6713Efficient gas extraction technology of directional long borehole in soft and broken coal seamWU Jin-gang, ZHANG Chang-yuan, LI HongProduction Technology68-7314Research and application of dust control technology for shearer in fully mechanized top coal caving faceCHEN FangProduction Technology74-7815Cost reduction and efficiency increase technology innovation in coal preparation plantCHONG Li-qin, GUO De-qi, GUO WeiProduction Technology79-8216Stress distribution law of surrounding rock of working face roadway affected by overlying goafLI Hong-biao, WANG Sheng, ZHU Yuan-guangResearch and Discussion83-8917Surrounding rock stability during gob-side entry driving with narrow coal pillar in medium-thick coal seamYIN Shuai-feng, ZUO An-jia, MA Li-jie, REN Yu-xin, SHI Song-haoResearch and Discussion90-9618Deep hole pre-split roof cutting and roadway protection in end mining of working faceZHU Wen-qing, HAO Bing-yuan, LIU Shi-tao, REN Xing-yun, YANG RanResearch and Discussion97-10319Goaf gas migration and extraction characteristics of in fully mechanized top coal caving face with gob-side entry retainingGUO Yan-fei, LI Xue-cheng, HAO DianResearch and Discussion104-10820Spatiotemporal evolution characteristics of spontaneous combustion three zones in goaf and the fire control technologyLI Zuo-quan, SHAO Si-hua, SUN Zhi-meng, QUAN Ji-ye, MA Ning-shi, NIU Jian-dongResearch and Discussion109-114