1Key technology of non-pillar roof cutting entry retaining under thick topsoil and thick hard roofZHOU Jun-min, SHEN Shi-bao, LIU Jin-xiao, ZHANG FengDesign Technology1-62Optimization of mine disaster-resistant drainage system design of Lilou Coal MineWANG Zhong-liang, LIU Hai-quan, WANG Zhen-hongDesign Technology7-113Development mode comparison and selection for a coal mine transferring open-pit mining to underground mining in IndonesiaLI Cheng, WANG Jing-tao, HUANG Shou-zhang, XIA Ting-tingDesign Technology12-164Design and application of intelligent substation technology in coal mine power supply projectWANG Hui-chenDesign Technology17-215Design of powerhouse foundation under complex karst geological conditionsLIU Ze-kunDesign Technology22-266Surrounding rock control technology for large section gob-side entry in high-cutting working faceZHI Rong-weiConstruction Technology27-337Deformation and failure characteristics of soft rock roadway and the integrated bolt-groutingWEI Shi-ming, JIN Meng-fan, LU Xin-yan, ZHANG Ze-shengConstruction Technology34-388Non-uniform deformation characteristics and stability control of mining roadway surrounding rockZHU Ying, ZHANG Yi-hai, JIANG Shao-junConstruction Technology39-449Stress disturbance characteristics of roadway cyclic excavation under close-range goafDENG Ri-jian, HAN Chang-liang, YANG Hou-qiang, ZHANG You-zhi, LIU Yong-qiang, SONG Kai, WEI MinConstruction Technology45-5010Pre-reinforcement of loose water-bearing sand layer in coal mine vertical shaft boringCUI Ming-yuan, WANG Hai-bo, LU Hai-tao, HUANG Jiu-yuan, NIE Hua-chaoConstruction Technology51-5611Identification method and target reinforcement technology of weak zone of curtain in multiple media and water-abundance aquiferSHI Zhi-yuanConstruction Technology57-6112Process parameters optimization of fully mechanized mining face based on hybrid strategy of BP neural network and genetic algorithmWANG Ai-rong, CHEN Han-zhang, GUO Wei, PAN Tao, ZHAO Hong-ze, JIA Ling-qiang, XU Hong-yangProduction Technology62-6713Mining pressure variation induced by spatial structure change of overlying strataLU Yang-bo, WANG Yuan-jie, DONG Ya-dong, CHEN Fa-bingProduction Technology68-7314Application of two-stage expansion pneumatic monorail crane in underground coal mineWANG Yi-ying, GU Ying, LI Jun-qing, ZHANG Hong-cai, SHI Yan-nan, WANG Han-qiuProduction Technology74-7815Adaptability of goaf gas extraction with surface L-shaped boreholes and the location optimization of its horizontal sectionLI Dan, SU Xian-boProduction Technology79-8516PSO-SVR prediction model of periodic weighting in fully mechanized working faceLYU Wen-yu, WANG Hai-jin, WU Yong-ping, DU Xu-feng, HE Yan-peng, JIA Dong-dongResearch and Discussion86-9117Forecast model of rock roadway blasting effect and its application resultMA Xin-min, WANG Yi, ZHAI Zhong-hua, FENG Wen-yu, ZHU Pei-xiao, CHEN Pan, ZHANG Zhao-ran, WANG Yan-bingResearch and Discussion92-9818Suspension bearing capacity of double telescopic gripper vertical shaft formwork systemJIANG Jun, WANG Bo, ZHU Qi-yin, WANG Jian-zhou, HAO Yu-hangResearch and Discussion99-10419Temperature fields in inclined shaft artificial freezing model tests of two freezing modesCHEN Jun, ZHANG Xiang, WANG Qian-xing, ZHAO Kang-puResearch and Discussion105-11020Application of micro-power induced dust suppression technology for first-level crushing station hopper in open-pit coal mineWANG Ai-ai, YANG Zhuo, LONG Dong-sheng, WU TongResearch and Discussion111-116 