Construction Risk Assessment of Tunnel Crossing Goaf Based on Analytic Hierarchy Process‐Extension Theory Model by Chao Yuan, Lian‐xin Li, Xiao‐wei Su, Rong‐jie Du

“…To grasp the risk status of tunnel construction safety in coal mine goaf, we selected 11 risk factors as evaluation indicators on the basis of investigation and analysis of risk factors in a large number of engineering cases of tunnel crossing coal mine goaf. …”
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Feasibility of Water Injection on the Coal Wall of Loose Thick Coal Seam to Prevent Rib Spalling and Its Optimal Moisture Content by Jian Sun, Bin Li, Ruofei Zhang, Zhou Huang

“…Rib spalling of loose thick coal wall seriously restricts the high yield, high efficiency of coal mine, affecting the safety production of coal mine. …”
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Application of Intelligent Sensor in Mining Electrical Equipment Collection by Jing Chang, Fating Zhang, Yuyu Zhu

“…The effect of the abovementioned acquisition scheme in coal mine application is verified, so as to realize the scientific monitoring of coal mine safety.…”
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Study on In Situ Stress Distribution Law of the Deep Mine: Taking Linyi Mining Area as an Example by Xuelong Li, Shaojie Chen, Sheng Wang, Meng Zhao, Hui Liu

“…The maximum horizontal stress direction of the Gucheng Coal Mine, Guotun Coal Mine, and Pengzhuang Coal Mine was NW-SE under the influence of regional geological structure, while the maximum horizontal stress direction of Wanglou Coal Mine was NE-SW under the influence of local geological structure. …”
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Distribution Law of In Situ Stress and Its Engineering Application in Gateroad Maintenance: A Case Study by Guangchao Zhang, You Li, Guangzhe Tao, Miao Chen, Ruihua Xu, Hanqing Guo, Devkota Bidit, Guanglei Zhou, Zhi Qu, Hao Zuo

“…In this study, the stress relief method of hollow inclusion and mathematical-statistical analysis are used to study the in situ stress distribution law of the Guotun coal mine, and the optimization strategy of roadway support is put forward. …”
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Transient Pulse Test for Non-Darcy Flow Behaviors and Hydromechanical Coupling Effect of Fractured Limestone by JianChao Cheng, YanLin Zhao, Yang Li, Tao Tan, Le Chang

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Erratum to “Experimental Analyses of the Major Parameters Affecting the Intensity of Outbursts of Coal and Gas” by W. Nie, S. J. Peng, J. Xu, L. R. Liu, G. Wang, J. B. Geng

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Anomaly Detection for Time Series with Difference Rate Sample Entropy and Generative Adversarial Networks by Keke Gao, Wenbin Feng, Xia Zhao, Chongchong Yu, Weijun Su, Yuqing Niu, Lu Han

“…The prediction and early warning of coal mine thermodynamic disasters are mainly determined by the changes of the index gas concentration pattern in coal mine mined-out areas collected continuously. …”
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Prediction Method for the Ground Vibration Damage Boundary of Thick and Hard Rock Layer Fracture Type Mine Quakes by Ming Zhang, Xuelong Hu, Min Tu, Yong Yue, Qingwei Bu

“…Finally, the results are used to predict the ground vibration damage boundary of limestone primary fracture in the longwall 16101 face of the Fuping Coal Mine.…”
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Linkage Analysis between Solid-Fluid Coupling and the Strength Reduction Method for Karst Cave Water Inrush in Mines by Yanlin Zhao, Jian Liao, Qiang Liu, Yang Li, Jianchao Cheng

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A Coupled Elastoplastic Damage Dynamic Model for Rock by Xuelong Hu, Ming Zhang, Xiangyang Zhang, Min Tu, Zhiqiang Yin, Haifeng Ma, Minke Duan

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Three-Dimensional Physical Simulation and Control Technology of Roof Movement Characteristics in Non-Pillar Gob-Side Entry Retaining by Roof Cutting by Xinzhu Hua, Guanfeng Chang, Xiao Liu, Bingjun Sun, Sen Yang, Enqian Wang, Chen Li

“…On the bases of the actual geological conditions of II 632 Haulage Roadway at the Hengyuan coal mine, a similar three-dimensional simulation experiment of roof precutting is conducted. …”
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The Stability Evaluation of Shaft during Drastic Drawdown Dewatering of Alluvium by Mingze Du, Yanchun Xu, Heng Duan, Wen Li

“…Based on the measured hydrophobic compression ratio in an adjacent coal mine, the compressive amounts of the strata near the main and auxiliary shafts in the Zhuxianzhuang Coal Mine are predicted under the condition of drastic drawdown dewatering, which will be 249.69 mm and 302.75 mm, respectively. …”
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A Study on the Influence of Mining Depth on the Stress Distribution Characteristics of Stope Surrounding Rock by Shaobo Li, Lei Wang, Qihan Ren, Chuanqi Zhu, Huaqiang Liu, Huaiqian Liu, Lipeng Chen

“…In order to study the influence law of mining depth on stope strata behavior, taking 11318E fully mechanized working face in Xieqiao Coal Mine of Huainan Mining Group as the engineering background, the stress distribution and evolution characteristics of stope surrounding rock under mining depth were studied by similar material simulation. …”
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Assessment of Risk Tendency of Coal Bursting Pressure in Deep Outburst Seam by Beifang Gu, Longkang Wang, Minbo Zhang

“…In order to analysis the mechanism of coal bursting pressures of deep coal seams and take effective methods to identify, monitor, and control coal bursting pressure, this paper takes 21101 working face of No. 2 coal seam in Dongpang Coal Mine as an example. Risk identification is carried out for the hazardous and harmful factors of coal bursting pressure in coal seam 21101 in Dongpang Coal Mine, and each influencing factor is classified. …”
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Analysis on Characteristics of Surrounding Rocks of Roadway and Bearing Structure Based on Stress Regulation by Ruofei Zhang, Guangming Zhao, Xiangrui Meng, Jian Sun, Wensong Xu, Yingming Li, Zenghui Liu, Siming Kao

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Mechanism and Prevention and Control of Mine Earthquake in Thick and Hard Rock Strata considering the Horizontal Stress Evolution of Stope by Ming Zhang, Xuelong Hu, Hongtao Huang, Guangyao Chen, Shan Gao, Chao Liu, Lihua Tian

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Optimization of Barrier Pillar Design in Longwall Mining with Top Coal Caving in Spontaneous Combustion Coal Seam by Qiang Fu, Ke Yang, Qinjie Liu, Shuai Liu, Xiang He, Xin Lyu

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The Time-Space Joint Response Characteristics of AE-UT under Step Loading and Its Application by Xiaoran Wang, Xiaofei Liu, Enyuan Wang, Chong Zhang, Haishan Jia, Dexing Li

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Study on the Interaction between Low-Viscosity High-Permeability Pregrouting Sealing Material and Coal and Its Application by Yujia Chen, Ao Li, Dingding Yang, Tianyu Liu, Xiaowei Li, Jun Tang, Chenglin Jiang

“…In order to ensure the intactness of pressure-measuring boreholes and the accuracy of gas pressure determination, pregrouting treatment with polymer materials is frequently applied to bedding drilling in coal mines. However, the existing polyurethane materials are of high viscosity, low permeability, and poor safety, bringing great difficulties to their field promotion and application. …”
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