Design of a double-blade swirl wet dust collector for comprehensive mining faces by GONG Xiaoyan, HE Zilun, CHEN Long, WANG Haijun, FU Haoran, PEI Xiaoze, SUN Haixin, ZHANG Hongbing, YANG Fuqiang

“…To address the issue of low dust collection efficiency of dust collectors currently used in the environment of coal mine comprehensive mining faces, a double-blade swirl wet dust collector was designed. …”
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Characteristics of Stress Transfer and Progressive Fracture in Overlying Strata due to Mining-Induced Disturbances by Xiang-feng Lv, Hong-yuan Zhou, Ai-wen Wang, Chun Feng, Xiao-chun Xiao

“…In this study, based on the mining of the 13210 working face in the Yima coal mine of the Gengcun village, China, a simplified mechanical model for the analysis of dynamic destabilization of the overlying strata during underground mining was constructed. …”
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Research and Optimization of Gas Extraction by Crossing-Seam Boreholes from Floor Roadway by Gang Li, Jiafei Teng

“…The gas disaster threatens the safe production of coal mine seriously. Gas extraction by crossing-seam boreholes from floor roadway (GECMBFR) can reduce the pressure and content of coal seam gas, which is the main measure to prevent gas disaster. …”
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The Principle of Invariant Stress of the Surrounding Rock of the Hole under the Condition of Equal Pressure in the Deep Rock Mass by Xiangye Wu, Jingya Wang, Jingang Li, Jianwei Li, Tao Xu, Eryu Wang

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Study on Zonal Cooperative Control Technology of Surrounding Rock of Super Large Section Soft Rock Chamber Group Connected by Deep Vertical Shaft by Shengrong Xie, Zaisheng Jiang, Dongdong Chen, En Wang

“…Aiming at solving the problem of asymmetric deformation, failure, and stability control of surrounding rock caused by the excavation of deep super large section soft rock chamber group passing through multilayer strata, taking super large section soft rock chamber group connected by deep vertical shaft in Wuyang Coal Mine as the engineering background, the deformation development mode of surrounding rock, the expansion situation of loosening range, and the plastic failure response characteristics in chamber group under the disturbance influence are monitored and numerically analyzed. …”
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Experimental Study on the Damage of Artificial Fracture Permeability in Coal during the Flow Back of Guar-Based Fracturing Fluid by Shenggui Liu, Jinkuang Huang, Songlei Tang, Shixiong Shi, Xuan Wu, Xin Liu

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Study on Pressure Relief Zone Formed Inside Roadway Rib by Rotary Cutting with Pressurized Water Jet for Preventing Rock Burst by Zeng-Qiang Yang, Chang Liu, Hui-Wu Jin

“…Based on the engineering geological conditions of mining area 2502 in Yanbei coal mine as a background, the comprehensive index method is used to evaluate the rock burst risk of mining area 2502, and the burst tendency of coal seam 5# under natural and water-saturated conditions is also tested in laboratory. …”
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Pulverization characteristics of coal affected by magmatic intrusion and analysis of the abnormal gas desorption index on drill cuttings by Er-Tao Chen, Liang Wang, Yuan-Ping Cheng, Hai-Jun Guo, Cong-Meng Hao, Yu-Xiao Qi, Fei Liu

“…Following a long period of gas drainage in the No.7 coal seam of the No.86 mining area in the Haizi coal mine, the gas desorption index of drill cuttings was still found to be much higher than the threshold value for outburst risks. …”
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Permeability Enhancement of Coal Seam by Lower Protective Layer Mining for Gas Outburst Prevention by Aiping He, Hua Fu, Bingjie Huo, Chaojun Fan

“…Based on the engineering background of the lower protective layer mining in Changping Coal Mine, the numerical simulation using the proposed mathematical model was performed. …”
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Mining Stress Distribution and Gas Drainage Application of Coal Seam Group under Fault Influence by Meng Tang, Xiangtao Kang, Jiachi Ren, Lin Gao, Zhenqian Ma, Dezhong Kong

“…The existence of fault structures often seriously endangers the safe production of coal mines. In order to ensure the safe and efficient production of close coal seam group mines under the influence of faults, it is of wide engineering significance to study the gas occurrence and extraction technology between coal seam groups under the influence of faults. …”
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Field and Numerical Investigation on the Coal Pillar Instability of Gob-Side Entry in Gently Inclined Coal Seam by Xupeng Ta, Zhijun Wan, Yuan Zhang, Peng Shi, Zejie Wei, Xin Sun, Liangliang Jia

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Study on Mechanical Properties and Energy Consumption of Fissured Sandstone with Different Dip Angles under Impact Load by Qi Ping, Shuo Wang, Yulin Wu, Shijia Sun, Kaifan Shen, Chen Wang, Qi Gao, Chenglong Fang

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K-Means Cluster for Seismicity Partitioning and Geological Structure Interpretation, with Application to the Yongshaba Mine (China) by Xueyi Shang, Xibing Li, A. Morales-Esteban, Longjun Dong, Kang Peng

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A New Evaluation Method for Water Blocking Performance of Coal Seam Floor: Model Construction, Case Application, and Water-Preserved Strategy by Baobin Gao, Chuangnan Ren, Shaopeng Song

“…Research has shown that in the water hazard threat area of No. 10 coal seam floor in Jiegou Coal Mine, Anhui Province, the performance of system vulnerability elements is weak, the performance of system recoverability elements is better, and the performance of system adaptability elements is extremely poor. …”
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A Storm Frame Optimization Method for Predicting and Warning the Safety Status of a Shearer by Pei Zhang, Yanpeng He, Li Ma, Changkui Cong

“…This model realizes real‐time prediction and early warning of the shearer's operating status, providing technical support for intelligent mining in coal mines.…”
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Adaptability evaluation model and experiment of full section SBM in deep strata based on AHP-fuzzy theory by Suqian Ni, Ying Xu, Peiyuan Chen, Jinjin Ge, Rongzhou Yang, Ziyi Yang, Guang Yang

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Interval combined prediction of mine tunnel's air volume considering multiple influencing factors. by Zhen Wang, Erkan Topal, Liangshan Shao, Chen Yang

“…Experimental analysis using data from a coal mine in Inner Mongolia showed that the method could reduce Combined Weighted Mean Absolute Error(CWMAE) to a maximum of 5.0384, Combined Weighted Root of Mean Squares Error(CWRMSE) to 6.8889, and Combined Weighted Mean Absolute Percentage Error(CWMAPE) to 1.4756, which indicates that the method proposed in this study can effectively improve the prediction accuracy of the mine tunnel air volume.…”
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Research on adsorption characteristics and adsorption model of CH4 and CO2 in Leping Formation coal seam of Fengcheng Mining Area by Fuqiang XIAO, Yongjun ZOU, Shuanglong ZHANG, Xing QI, Weidong XIAO

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Roof Water Damage Prediction and Evaluation of Sand-Mud Sedimentary Tectonic Strata by Pengfei Jiang, Fumin Zhuge, Suolin Jing, Zongkai Li, Peng Xiao, Yuguang Lv

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Research on the Reasonable Coal Pillar Width and Surrounding Rock Supporting Optimization of Gob-Side Entry under Inclined Seam Condition by Li-li Jiang, Zeng-qiang Yang, Gang-wei Li

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