Overlying strata movement law and rockburst prevention & control for fully mechanized top coal caving face in extra-thick coal seams by Hai Rong, Longyue He, Yadi Wang, Xiangzhi Wei, Shilong Wei, Suihan Yang, Jincheng Li, Linlin Chen

“…Taking the 12,240 working face of Gengcun Coal Mine as the engineering background, initially, the calculation formula for the collaborative deformation load of hard rock strata and the formula for the instability scale of hard rock strata are employed to precisely ascertain the position and instability scale of the key strata. …”
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Evolution characteristics of overburden structure in inclined fully mechanized caving under residual coal pillars of the upper layer by LIU Yong, WANG Hongwei, WU Xuesong, TIAN Chengpeng, GUAN Rongfu, NIE Yunxiao, FAN Zhiwei, CAO Peipei

“…Based on the 250203 lower fully mechanized caving face at Yanbei Coal Mine of Gansu Huating Coal Power Co., Ltd., methods of physical similarity simulation experiments, numerical modeling, and field measurements were applied to study the overburden movement and stress distribution evolution characteristics under residual coal pillars of the upper layer during inclined fully mechanized caving. …”
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Analysis of the Occurrence Mechanism for Coal and Gas Outburst Based on Multiple Discriminant Indices by Hai Rong, Hongwei Zhang, Bing Liang, Weihua Song

“…In order to reveal the occurrence mechanism of coal and gas outburst and optimize the measures to prevent the disaster, a coal mine in Henan Province was undertaken as the research background. …”
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Surface Subsidence Control Mechanism and Effect Evaluation of Gangue-Backfilling Mining: A Case Study in China by Huaizhan Li, Guangli Guo

“…Comprehensive mechanization solid backfilling mining is a new technology developed in China for coal mining and surface subsidence control. Based on a gangue-backfilling project in the Yangzhuang Coal Mine, the characteristics of underlying strata and surface deformation were studied by similar-material simulation method. …”
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A Novel Design of Rescue Capsule considering the Pressure Characteristics and Thermal Dynamic Response with Thermomechanical Coupling Action Subjected to Gas Explosion Load by Xiaowei Zhai, Shibo Wu, Kai Wang, Xiaokun Chen, Haitao Li

“…The design method presented in this work provides a new thought for design of coal mine rescue capsule.…”
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Analysis on Rock Burst Risks and Prevention of a 54 m-Wide Coal Pillar for Roadway Protection in a Fully Mechanized Top-Coal Caving Face by Zhihua Li, Ke Yang, Jianshuai Ji, Biao Jiao, Xiaobing Tian

“…A case study based on the 401103 fully mechanized caving face in the Hujiahe Coal Mine was carried out in this research to analyze the rock burst risks in a 54 m-wide coal pillar for roadway protection. …”
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A Case Study of Cyclic Top Coal Weakening Process Based on Highly Tough Coal Seam with Partings by Zhaopeng Wu, Junhui Wang, Zhijun Wan, Jingyi Cheng, Luchang Xiong, Lizhu Zhao, Xiaogang Liu

“…In the context of highly tough top coal with partings at working face 110501 for fully mechanized top coal caving mining in Yushutian Coal Mine, effects of parting band and high toughness on top coal breaking were studied in terms of mechanism and extent, a multifunctional compound drilling field integrating blast weakening, water injection weakening, and gas extraction was purposefully designed, and a cyclic top coal weakening process for highly tough coal seams with partings was proposed. …”
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The Mechanical Criterion of Activation and Instability of Normal Fault Induced by the Movement of Key Stratum and Its Disaster-Causing Mechanism of Rockburst in the Hanging Wall Mi... by Lyu Pengfei, Lu Jiabin, Wang Eryu, Chen Xuehua

“…Coal mine rockburst is closely related to the complex geological structure. …”
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Cocompetitive Characteristics and Quantitative Design of Engineering Parameters for Coal Gas Predrainage Boreholes by Tong-qiang Xia, Jiao-fei He, Zi-long Li, Xiao-yan Sun, Dun-shuai Sun, Jian-hang Lu, Hao-jie Cui

“…Finally, Comsol With Matlab is used to solve the multiconstraint nonlinear optimization problem of gas drainage engineering parameters along coal seam in 18401 working face of Tunlan Coal Mine. The effect of actual gas extraction investigation is very remarkable, which provides a quantitative calculation basis for scientific gas extraction in coal mine.…”
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Characteristics of In Situ Stress and Reservoir Pressure in Deep Coal Seams and Their Influences on Reservoir Depletion: A Field Case Study by Rui Li, Yiyu Lu, Binwei Xia, Wenwen Chen, Hansen Sun

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Probabilistic Prediction of Mine Dynamic Disaster Risk Based on Multiple Factor Pattern Recognition by Tianwei Lan, Chaojun Fan, Sheng Li, Hongwei Zhang, Adrian Sergaevich Batujin

“…Rock burst and coal and gas outburst are the most serious dynamic disasters in coal mine and are affected by many factors, such as mining engineering environment. …”
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Intelligent Robust Control of Roadheader Based on Disturbance Observer by Shuo Wang, Dongjie Wang, Aixiang Ma, Xihao Yan, Sihai Zhao

“…The formation of a coal mine roadway cross-section is a primary task of the boom-type roadheader. …”
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Research on Optimization of a Solid Filling Mining Face Layout Based on a Combined Clamped Beam Model by Zhi-Yong Fu, Xu-Fei Gong, Peng-Fei Zhang, Cun-Wen Wang

“…The maximum width of the mining face is 105 m in Tangshan Coal Mine. When the mining width increases from 66 to 105 m, the increasing percentage of roof subsidence is 15–18%. …”
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Optical Fiber Frequency Shift Characterization of Overburden Deformation in Short-Distance Coal Seam Mining by Dingding Zhang, Qiang Chen, Zhengshuai Wang, Jianfeng Yang, Jing Chai

“…Similarity simulation testing is the main approach used to study the deformation characteristics of the overburden in coal mining. In the application of Brillouin optical time-domain analysis (BOTDA) in similarity simulation tests, the capability of distributed optical fiber sensing (DOFS) to detect the characteristics of the overburden deformation and the evolution is a key factor affecting the testing accuracy. …”
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Structural optimization and magneto-thermal coupling simulation of limited angle torque motor by Xiufeng Xu, Weixiang Cheng, Xu Zhou, Aiguo Zhou, Jiang Jin, Siyuan An, Xiaofeng Zhang

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Stability Analysis of a Water-Rich Slope Under Seismic Disturbance by Shujian Li, Yisha Pan, Chongyang Wang, Dongming Zhang, Bin Zhang, Ziyang Xiong

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Application of Artificial Intelligence Models to Predict the Tensile Strength of Glass Fiber-Modified Cemented Backfill Materials during the Mine Backfill Process by Lei Zhu, Wenzhe Gu, Zhicheng Liu, Fengqi Qiu

“…Cemented backfill coal mining technology is gradually becoming a key technology for green mining of coal resources. …”
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The focal mechanism and field investigations of mining-induced earthquake by super-thick and weak cementation overburden strata fracturing by Xianxi Bai, Anye Cao, Changbin Wang, Yaoqi Liu, Chengchun Xue, Xu Yang, Yao Yang, Songwei Wang, Qi Hao

“…During mining along goafs, the seismic sources displayed a tendency of upward expansion and the shear slip ruptures were more than that in the solid coal mining stage. The focal mechanism of the MIEs in Shilawusu Coal mine was caused by the primary and periodic tension rupture of the STWCS and shear slip rupture. …”
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Total Seepage Resistance Model of Water-Displacing Diffusion of Slurry in Series and Parallel Fractures by Yang Hu, Junhe Xie, Jian Ge, Gang Liu

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Effect of Confining Pressure on Mechanical and Energy Conversion Properties of Gas-Containing Coal under Loads by Zhizhen Zhang, Yixin Niu, Xiaoji Shang, Rui Zhou, Xingguang Liu, Feng Gao

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