1Application prospect analysis of combined bench in open-pit coal mineHU Cunhu1-42Application of sectional charge in open-pit mine bench blastingZHANG Yinliang, CHEN Xu5-7,113Reliability analysis of the discontinuous technology equipment in Har′er wusu Open-pit MineLUO Huaiting8-114Analysis of dangerous rock caving along end slope in Har′er wusu Open-pit MineZHANG Shunhong, LUO Huaiting12-15,195Study on minimum tracing distance of coordinated mining in open-pit coal mineYAO Jianhua, WANG Wei, XU Zhong kui, WANG Guilin16-196Affecting factors analysis on diesel consumption of transport truck in open-pit coal mineBAI Xuerui20-21,277Determination of reasonable pressure slope height in coordinated mining of adjacent open-pit coal minesWANG Wei, YAO Jianhua, WANG Guilin, LIU Yufu22-278Discussion on the optimal mining technology in Xi'wan Open-pit Coal MineHU Cunhu, LIU Yu28-309Analysis of causes and countermeasures of blasting foundation and bulk in Heidaigou Open-pit Coal MineZHANG Yinliang, YUAN Wenhua31-32,3610Research of construction scheme on Nanpinggou end-slope road in Ha'erwusu Open-pit Coal MineLIU Yu, LIN Xu33-3611Cast blasting design optimize based on digitizationZHOU Yu, SONG Ri, LI Bo37-39,4312Analysis on resource recycling and sales market of kaolin coal tonstein in Zhunge 'er mining areaZHANG Shunhong, LIU Xiao40-4313Application of low density explosive in coal bench blasting of Ha'erwusu Open-pit Coal MineLIU Jinfei44-46,5014Methods and measures to reduce unit consumption of explosive in Heidaigou Open-pit Coal MineLU Yongqing47-5015Feasibility study of southern boundary adjustment in Heidaigou Open-pit Mine first mining areaZHAO Ruihua, WANG Wei51-53,5616Design SF33900 truck centralized lubrication systemZHANG Min54-5617Application of intelligent mine management system in open-pit coal mineZHANG Jun57-58,6218Detection and positioning technology of power cable fault pointWANG Guoqiang, ZHUANG Tingfeng, ZHAO Dayong59-6219Discussion on improving power quality of open-pit coal mineZHUANG Tingfeng, WANG Guoqiang63-6520MT5500 electric wheel dump truck cooling fan power lineZHANG Jing, JIN Xin, LIU Laiquan, BAI Litao66-68 