1Safe and high-efficiency mining design of complex mineZHANG Lei, WANG YongDesign Technology1-42Determination of roadway cross-section shape in upward mining of Yangchangwan Coal MineYANG Sheng-li, LIU Chuan-yi, LI Ming, LIU Yao, XU Jin-meng, YUE HaoDesign Technology5-113Working face roadway layout of contiguous seams mining faces in Fangezhuang MineSUN Sheng, ZHAO Chun-jing, HE Jian-yu, XUE Fu-xiangDesign Technology12-184Reasonable coal pillar width of gob-side entry driving in fully mechanized top-coal caving of extra-thick coal seamGUO Zhong-tuo, LI Jie, BAI Jian-biao, ZHANG Wei-guangDesign Technology19-245Study on underground regulation system of deep mine waterDUAN Dong-wei, DING Xiang, FENG Jie, PU Zhi-guo, LIU Kai-xiang, HE Xiao-langDesign Technology25-306Test and optimization of low temperature waste heat utilization project in Zhaogu Coal MineLUO Jing-hui, HAN Zi-chen, XIONG Chu-chao, HOU Li-quan, ZHANG Chang-jian, LIU HuanDesign Technology31-367Surrounding rock control technology of soft rock roadway crossing thick coal seam broken roof area in deep mineXIAO Dian-cai, JIANG Xiang-qing, LUO Yong, REN Bo, LU De-chao, TANG Yi-chuanConstruction Technology37-428Pumping pillar support technology for high-efficiency recovery of residual coal pillars passing through abandoned roadway groupLIU JianConstruction Technology43-489Composite support technology of roadway under thick top coal and dirt band roofQIN Zhi-hong, CHENG Xiang, MENG Xiang-rui, ZHAO Guang-ming, JI Bao-zhuConstruction Technology49-5410Roadway layout optimization and joint support technology in three soft coal seamsWANG Guo-long, CHANG Yun-bo, LIN Lu, DU Pai, LI HangConstruction Technology55-6111Mechanism and prevention measures of rock burst induced by dynamic disturbance in coal seam roadwayZHANG Jin-kui, HOU Tao, LI Min, LI Peng, GU He-longProduction Technology62-6612Experimental research on high-efficiency meshing behind the hydraulic support for fully mechanized mining with large mining height in the top slicingZHANG Zhen, ZHANG Hong-qing, TAN De-yong, FENG Li-youProduction Technology67-7213Dust diffusion and migration law of transferring and crushing point in fully mechanized coal caving faceGUO Yu-feng, HAO Yong-jiang, LI Yun-long, GUO Wei-qiangProduction Technology73-7714Application of screen pipe completion for trans-seam borehole in underground coal mineWANG LiProduction Technology78-8215Advance regional control of karst water hazard in coal seam floor with ground directional drillingDAI Lei, DUAN Li-hongProduction Technology83-8816Application of discontinuous gradation technology in high concentration coal water slurry preparationWANG Jian-jun, CHANG XuanProduction Technology89-9217Rock burst mechanism and control practice in typical deep coal mines of Ordos regionZHANG Xiu-feng, KONG Ling-haiResearch and Discussion93-9718Characteristics of microseismic spatio-temporal precursory information of rockburst in a shallow working face with hard roofZHANG Chuan-jiu, XUE Ya-rong, YANG Wei, LI Zhen-lei, LI Hong-ping, YANG Xu, JIA Bing-bingResearch and Discussion98-10419Research and engineering application of solid strength strengthening mechanism of tensioned high pretensioned anchorYU Zhen-zi, ZHANG Bo, LI Meng-long, WANG Guang-hui, WANG Xiang-yuResearch and Discussion105-10920Existing state of residual section coal pillars in upper protective seam miningXIAO Jian, CHEN Xue-xi, SHAN Wen-xuan, BI Rui-qingResearch and Discussion110-115 