1Reasonable width of flexible formwork wall in gob-side entry retainingWANG Zhi-qiang, LI Hang, LI Jing-kai, WANG De-qiu, LIN Lu, LI Yong-liDesign Technology1-52Adaptability of mining technology with small (no) coal pillar in large mining height faceYU Jian-haoDesign Technology6-113Key technology of in-situ filling mining of protective seamLI Gui-he, WANG Yi-long, CUI Peng-fei, CHEN Cun-qiang, GU Lei-yu, YANG Jian, LI Ji-shengDesign Technology12-174Support-unloading combined technology for gob-side entry retaining in shallow high-cutting working faceYAN Bing-shuangDesign Technology18-235Framework and key technology of intelligent open-pit minesFU En-san, LIU Guang-wei, ZHAO Hao, SHAO Zi-yang, GENG Hao, CHEN WeiDesign Technology24-306Discussion on progress plan preparation for engineering procurement construction projectHAN Zhou-ping, HAN Shi-yuDesign Technology31-347Deformation characteristics of surrounding rock in isolated working face and its repair and reinforcement technologyZHOU Xian, MA Jian, XIN Chong-wei, XING En-rui, ZHANG Li-mingConstruction Technology35-408Surrounding rock stability control technology for gob-side entry retaining under short distance goafYAN Zhi-qiangConstruction Technology41-479Deformation and failure of densely arranged pit bottom chambers and the control measuresWU Jian-xingConstruction Technology48-5310Floor heave mechanism of in argillaceous soft rock roadway under goaf and the joint support technologyZHAO ShuaiConstruction Technology54-5811Surrounding rock deformation control for roof cutting and pressure relief under thick and hard roofHE Chun-guang, XU Xiao-ding, YANG Jian-hui, DING Wei-bo, WANG Zi-han, WANG You-zhan, CHEN FeConstruction Technology59-6312Water interception by cutoff curtain in Yuanbaoshan Open-pit Coal MineZHU Hong-jun, ZHANG Yan, SUN Hao, ZHANG Qiu-yuan, NIU Guang-liagConstruction Technology64-6913Mechanism and control technology of abnormal mine pressure as working face advancing beneath the residual coal pillars of upper seamZHANG Chuan-jiuProduction Technology70-7414Roof cutting technology for pressure relief and hanging roof caving in contiguous coal seams under hard roofWANG Shuai, ZHAO Guo-zhen, LIU ChaoProduction Technology75-8015Overburden strain characteristics of shallow working face and warning method of roof cutting disasterLI Zheng-jie, XU Gang, REN Yan-fang, ZHANG ZhenProduction Technology81-8616On-line monitoring for tail gas from underground explosion-proof diesel engine trackless rubber-tyred vehicleZHENG Xiao-liang, CHEN Xu, MIAO Yan-ping, CHANG Bo-feng, ZHAO Yi-yuan, ZHENG Xu-he, LI Jun-huProduction Technology87-9117Application of 3D digital speckle method in similar simulation experimentWU Yong-ping, SUN Ming-ming, LANG Ding, YANG Yu-bing, CAO Jian-li, YAN Zhuang-zhuang, YU Yang, YU Jian-dongResearch and Discussion92-9818Advance surrounding rock control technology with unload-control coupling for deep panel roadway maintenanceWEI Jin-long, ZHAO Li-anResearch and Discussion99-10419Intelligent control strategy of drawing window in top-coal caving based on mean deviation reward functionLUO Kai-cheng, GAO Yang, YANG Yi, CHANG Ya-jun, YUAN Rui-fuResearch and Discussion105-11120Acoustic emission characteristics and damage constitutive model of soft coalXU Zun-yuResearch and Discussion112-116 