1Master plan of Xinjie Taigemiao mining area based on the Five Development PrinciplesXIN De-lin, FANG Xin-ying, ZHANG Yi-yangDesign Technology1-62Optimization of mining scheme under thick loose layer and thin bedrock based on surface subsidence controlSUN Wan-mingDesign Technology7-113Research on the Application of an Anti-freezing System at Residual Heat Recovery Head of a Split-type Mine Shaft ExhaustXIONG Chu-chao, LUO Jing-hui, WEI Ying, LIU Huan, HOU Li-quan, ZHANG Chang-jianDesign Technology12-154Treatment of high salinity mine water and storage of concentrated brineGUO Qiang, SONG Xi-dong, HU Xiao-long, GAO Jun, LI Jing-fengDesign Technology16-195Design of low-impact development rainwater system in coal preparation plantBAO Yu, LI Yi-longDesign Technology20-256ForwardBIM design of coal gangue dump treatment based on UAV aerial surveyCHEN Feng-geDesign Technology26-297Treatment of floor fracturing and sand-carrying water-inrush in auxiliary inclined shaft of Zhuanlongwan Coal MineZHAO Ying-chun, QIAN Zi-wei, XU jian-guo, GAO shu-lei, GU Yun-pengConstruction Technology30-338Extra-thick hard roof controlling for end mining of fully mechanized working faceSUN Chang-binConstruction Technology34-379Roadway surrounding rock control in composite roof stress concentration zoneLI Zhong-weiConstruction Technology38-4110Application of hydraulic fracturing roof cutting in advance support of mining roadwayCAO Xiu-long, ZHAO Li-anConstruction Technology42-4511Instability mechanism and support technology of coal pillar roadway in slice miningLI Guo-zhi, SUN Li-junConstruction Technology46-5012Longitudinal temperature measurement for precise positioning of weak point of frozen wallWU Tao, ZHOU Xiao-min, LIU Shu-jie, ZHANG Li-gangConstruction Technology51-5413Overburden activity law of 8. 8m super-high-cutting fully-mechanized working faceYANG Jun-zheProduction Technology55-6014Application of hydraulic fracturing technology in prevention and control of roof disaster in Shendong mining areaYANG Jun-caiProduction Technology61-6615Dredging and permeability enhancement of low concentration gas extraction boreholes using compressed air cyclic pulsingLV You-chang, SUN Ju-zheng, DAI Zhi-xu, ZHANG Yi-min, WEI Feng-qing, GAO Wu-binProduction Technology67-7016Reinforcement and sealing technology for drilling in high gas soft coal seamYANG Ji-xian, CHENG Ren-hui, ZHANG ChaoProduction Technology71-7517Application of pressure-equalizing fire prevention and extinguishing technology in goaf of spontaneous combustion mineHUA Hai-yangProduction Technology76-7918Application of wet vibrating string dust removal fanMA Sheng-li, ZHANG Kai-ming, ZHANG Heng, ZHANG QiangProduction Technology80-8419Roof caving law of interbedded coal gangue roof in fully mechanized coal mining face with steeply dipping coal seam and large mining heightWU Yong-ping, YANG Wen-bin, XIE Pan-shi, LIU Wang-haiResearch and Discussion85-9020Caving characteristics of coal gangue interbedded composite top coal body in extra-thick coal seamXUE Ji-sheng, DU Long-fei, ZHAO Tie-lin, ZHANG Chen-yangResearch and Discussion91-96