1Optimization of multi-mining propulsion model of compound coal seam open-pit mineLIU Guangwei, ZHANG Jing, YU Qiuyu, SONG Jiachen, DONG RuirongTheory and Research1-62Economic and reasonable working line length optimization of combined mining technology in composite coal seam open-pit mineCHEN Xiaojie, LIU Chuang, ZHANG Dongxu, XIA QingyuTheory and Research7-113Study and treatment of slope stability in end slope goaf of Pingshuo East Open-pit MineSHAO BinTheory and Research12-154Research on first mining area turning in Hongshaquan Open-pit Coal MineZHANG Ziguang, HAN Yong, BAI JiyuanTheory and Research16-19,235Slope failure mode and stability evaluation of dump bench in Heidaigou Open-pit MineWAN Guoxiang, HE Long, LIU DongbingTheory and Research20-236Study on landslide mechanism of working slope in Weijiamao Open-pit Coal MineQIAO Dongliang, ZHANG Yonggui, ZHENG KaihuiTheory and Research24-26,307Analysis on boundary optimization parameter sensitivity based on Minex softwareZHAO Ming, WANG Zhongxin, XIN Fengyang, WANG Jinjin, ZENG XiangyuTheory and Research27-308Analysis on deformation mechanism of slope and stability control countermeasures in Pingshuo East Open-pit MineLI GuiyanTheory and Research31-349Study on evaluation of steering scheme in open-pit minesYU Haili, WANG Zhaogang, SUN YutingTechnology and Application35-3810Application test of 5G + truck driverless technology in Zhundong Open-pit Coal MineGAO Jinlong, CAI Mingxiang, WANG ShihuiTechnology and Application39-4211Study on increasing and expanding capacity of internal dump in Weijiamao Open-pit Coal MineCAO Dianhua, ZHANG Yonggui, ZHANG XiaoboTechnology and Application43-45,5012Discontinuous measurement technology of GB-SAR based on SAR image registrationZHU Jiaxin, LI Yongjian, XIAO Gang, YU Dongyang, FU Zhenhua, ZHANG Zhijia, ZHU Chenhao, DAI YingchaoTechnology and Application46-5013Application of linear programming in open-pit coal mine transportation planningWANG JianxinTechnology and Application51-5414Deformation failure mechanism and control measures of high and steep slope with weak interlayer in Pingshuo East Open-pit MineGAO WeichengTechnology and Application55-5815Application of water stable layer construction technology in transport road of Open-pit MineGOU QiangTechnology and Application59-6116Feasibility analysis of application of infrared thermal imaging video monitoring system in Shengli Open-pit Coal MineZHANG FuchengTechnology and Application62-6417Causes analysis and preventive measures of bad blasting results in Fushun East Open-pit MineJIANG HanleiEngineering and Practice65-67,7118Scheme design of transportation project of mineral products corridor in Chizhou City of Anhui ProvinceLIU Libo, ZHOU QiEngineering and Practice68-7119Construction scheme of high step dump in South Open-pit Coal Mine of Xinjiang Tianchi EnergyDONG MengmengEngineering and Practice72-7720Design and optimization of hyperbolic hopper for large diameter concrete coal storage bunkerCAO LiangEngineering and Practice78-81 