1East dump stability analysis and optimization in Hesigewula Open-pit Coal MineMEN Shuchen1-42Application of inclined mining internal dumping mining procedure in Huolinhe south open-pit mineLI Wei, XU Yongchao, DONG Junting, WANG Haifeng, GUO Man5-83Optimization of mining and dumping relationship under joint operation conditions in Yimin Open-pit MineWU Hongyang9-114Analysis and optimization of slope residual coal treatment scheme in Xinjiang Open-pit Coal MineBAO Fuyong, AN Guoping, WANG Zhenwei12-145Dumping mode selection and dump planning in Sandaoling Open-pit MineSUN Jinliang15-17,256Slope stability analysis under different soil rock ratio in open-pit coal mine dumpWANG Jianxin18-21,257Research and analysis of landslide survey in open-pit mineYANG Daming22-258Slope stability evaluation based on the extension theory combined with entropy weightZHOU Jiakuan, ZHENG Boning, ZHAO Hongze26-30,349Coal and rock blasting technology in open-pit mine thin coal seam areaGE Chuang31-3410Mining transportation system reform scheme in Yimin No.1 Open-pit MineGAO Yuan35-38,4211Stripping mining process in Wenshan Puyang Open-pit MineWEI Xuelin39-4212Highlights and problems research on coal industry open-pit mine design codeWANG Yan43-4513Reasonable working line length of semi-continuous process with self-moving crusher in open-pit mineZHAO Dengjuan, FU Xinhua46-4914Supporting design of screening and crushing station in Open-pit Coal MineLIU Shujie50-51,5615Construction of module smart control mode in large and extra large coal preparation plantZHAO Guanghui52-5616Development of mobile phone application for real-time locating and messaging in open-pit mineSUN Xiaoyu, ZHU Zixuan, TU Hongjian, WANG Shuo57-59,6317Stability analysis and walking power check of mine large diameter drilling machineSUN Shiliang, SUN Zhaohui, ZOU Wei, ZHU Youzhi60-6318Prediction model for rotary drilling rigs drilling speed based on partial least squares regressionZOU Wei, SUN Shiliang, WANG Kai, HOU Chengheng64-6719Application of information technology in construction project cost managementWU Di68-7020Improvement of energy efficiency technology of sewage station in welfare zoneLU Ning, MA Teng, LI Haoran71-74 