1Research on slope parameters optimization of open-pit burning area in different mining conditionsCHANG Wen-lin, WANG Zhen-wei, LI Xiu-chunMining Engineering1-22Theory research on extracting along end slope L-type inner discharge pressure slope mode of Aobaoliang mining areaWANG Jian-xinMining Engineering3-4,73Geological feature and deposit genesis of Qiongbangzigou olybdenum ore in Liaoning provinceLI Zhi-feng, WEN De-juan, LI WeiMining Engineering19-21,244Test and verify no vertical tension fissure rock slope slip surface water pressure distributingZHANG Yong-gui, CHANG Jun, WU Cheng-quan, CUI JianMining Engineering22-245Optimizing calculation method of open-pit slope composite sliding surface by the influence of weak layerLIU Ru-chengMining Engineering27-296Application of Vibro-replacement stone piles method in a certain inner dump ground treatmentYANG Da-ming, XIA Fan, XIE XiaoMining Engineering37-407Grey prediction and example analysis of landslideLI Chun-shengMining Engineering43-458Preliminary discussion on open-pit coal mine environmental problems and solutionsBAI Run-cai, BAI Yu, LIU Guang-weiSafety and Environmental Protection74-76,819Summarize of coal gangues harm and plant renew researchZHAO Fang-ying, LIU Fei, GONG XiaoSafety and Environmental Protection77-8110Analysis of advantages and disadvantages of coal yard several storage formHU Cheng-gong, ZHAO QiRoad Bridge and Construction Engineering88-90