1Optimization on mining and loading operation mode in Pingshuo East Open-pit MineYANG Wenzhong, ZHAO Dengjuan1-3,72Burnt rock water control scheme in Jiangjun Gobi No.2 Open-pit Coal Mine stope north slopeZHANG Chunfeng, FU Zhong, ZHANG Dexiao, JIA Hongjun4-73Application of RCC dam project in Shengli East No.2 Open-pit Coal MineJIANG Lianjun8-11,154Analysis of hydrogeological characteristics and water control measures in Pingshuo East Open-pit MineLIU Weiyu, HAO Jifeng, LIU Yonggang12-155Analysis on crushing station location selection in Xingwang Open-pit MineWANG Lei, ZHANG Mingzhong, YU Han16-19,236Goaf governance measures in Pingshuo East Open-pit MineGUO Jiong, LV Jianzhou, ZHAO Jun, HE Feng, HAN Feng, YAO Guodong20-237First mining area east geological structure in Heidaigou Open-pit Coal MineWAN Guoxiang24-278Application of crawler type semi-fixed crusher station in Shengli East No.2 Open-pit Coal MineGAO Xiaoyu28-309Mining situation analysis in Fushun West Open-pit Mine eastern areaDOU Ziyu, YIN Youde, XIA Shouliang, SUN Peng31-3310GPS production scheduling system construction in the foreign open-pit mineHE Shuai34-3611Application research of 3D laser detection in Open-pit Mine goafWANG Zhipeng, WANG Jun, LI Wei, DING Xinpin, ZHANG Jianping, LIU Bowen37-3912Power supply and distribution design of EPC project of ground production system in Xiwan Open-pit Coal MineCHI Qiuxia40-4413Research and application of digital monitoring system based on wireless net bridge in open-pit mineWANG Xia45-4714Central multi-point driving technology and application example of long distance belt conveyorLIU Bing48-50,5415Fault analysis of DM45 rig crawler frame distortionDONG Xin51-5416Monitoring alarm system design of D11T bulldozer transmission systemREN Dongjie, DONG Xin55-5717MT4400 truck AC generator decomposition and assembly method improvementWANG Xu, WU Bin58-6118Use of high step dumping technology and safety technology measures in Huagou Open-pit MineFENG Shenguang, ZHAO Yonggang, FENG Shenzhi62-64,6719Effect of end gas purification treatment on oil shale retorting technology in FushunSHAN Mingzhi65-6720Impact analysis and quality evaluation of groundwater environment in Open-pit Coal MineWU Tao68-71 