Effect of Loading Rates on Mechanical Characteristics and Rock Burst Tendency of Coal-Rock Combined Samples by Jiang Hu, Jingang Li

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Investigation on the Ground Pressure Induced by Hard Roof Fracturing at Different Layers during Extra Thick Coal Seam Mining by Rui Gao, Jingxuan Yang, Tiejun Kuang, Hongjie Liu

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Research on Drilling and Sealing Technology for Cross Bedding of Superthick Coal Seam by Yao-bin Li, Cai-Hao Yue, Xin Guo

“…Gas disasters have been affecting coal mine safety production. With the gradual deepening of coal resources development, whether gas extraction meets the standard is particularly important. …”
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Study on the Key Technology of Controlling the Instability of Deep High-Stress Coal and Rock Mass and Relieving the Danger by Zhijing Zhang, Jianghong Zuo, Dongji Lei

“…In order to solve the problem of stress concentration and gas overrun in the process of uncovering high gas and thick coal seam, combined with the occurrence characteristics of coal seams in Wuyang Coal Mine, the measures of “hydraulic and mechanical cavity making + steel screen pipe + surrounding rock grouting” are adopted to establish a method for mutual verification of multiple effect test indexes of residual stress, residual gas content, coal seam moisture content, and microseismic signal characteristics, and the three-dimensional accurate analysis of the influence range of hydraulic cavitation is effectively realized. …”
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Mechanical Properties of Bump-Prone Coal with Different Porosities and Its Acoustic Emission-Charge Induction Characteristics under Uniaxial Compression by Xin Ding, Xiaochun Xiao, Xiangfeng Lv, Di Wu, Jun Xu

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Mechanism and Evolution Control of Wide Coal Pillar Bursts in Multithick Key Strata by Wenhao Guo, Anye Cao, Chengchun Xue, Yang Hu, Songwei Wang, Qian Zhao

“…Coal mine pillar burst frequently occurs in Western China, which seriously restricts safe production. …”
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Failure Behavior and Energy Storage and Release of Hard Coal under Different Static and Dynamic Loading States by XianJie Hao, GuangYao Pan, Chaoxing Ma, Yingnan Wei, Zeyu Chen

“…The research results play an important guiding role in further understanding the mechanism of coal mine dynamic disasters.…”
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Rock fracture mode and acoustic emission characteristics under true triaxial single-sided unloading path by Longpei Ma, Longpei Ma, Chongyan Liu, Guangming Zhao, Guangming Zhao

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Research on wireless monitoring system for internal temperature field of coal gangue mountain by Xiaofei Liu, Chunhao Liang, Jifa Qian, Xiaolin Li, Xuemei Li, Baoli Li, Guang Xu, Bin Zhou

“…Simultaneously, field tests were performed in the coal gangue mountain at the coal mine. The laboratory simulation and field test results demonstrate that the system can effectively monitor the internal temperature changes of the gangue mountain, particularly within the horizontal range of 0–0.2 m near the heat source and the vertical range of 0–0.3 m. …”
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Failure and development height of overlying rock of a water flowing fracture in goaf under a karst aquifer by Lulin Zheng, Xiong Liu, Qing Qiu, Youwen Tian, Weide Ren, Jin Xu, Xiaokun Wang

“…This study focuses on the Longfeng Coal Mine, northern Guizhou coalfield. Samples of rock from the roof coal seam were obtained by drilling and coring and examined under a scanning electron microscope. …”
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Study on Prediction of Outburst Risk of Excavation Face by Initial Gas Emission by Lu Gao, Xiangtao Kang, Meng Tang, Jinguo Hu, Jiachi Ren, Cunliu Zhou

“…Using a ZTL20/1000-Z mine flameproof prediction device, taking excavation face 9301 in the Anshun Coal Mine in Guizhou Province, China, as the research object, and taking the detailed regulations for prevention and control of coal and gas outburst promulgated by the China Coal Mine Safety Supervision Bureau in 2019 as the prediction standard for coal and gas outbursts, an experiment on the outburst risk prediction for the excavation face was conducted. …”
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Freeze-Thaw Effects on Stability of Open Pit Slope in High-Altitude and Cold Regions by Yong Hong, Zhushan Shao, Guangbin Shi, Yong Dou, Weiqin Wang, Wen Zhang

“…In terms of the No. 4 minefield open pit coal mine, the slope stability meets the design requirement, although taking the freeze-thaw cycle into account.…”
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Deformation mechanism and damage energy evolution of coal body under different gas pressures based on the energy principle by Yongjiang Yu, Xu Dong, Jiaming Liu, Zhiyuan Song, Zhiqiang Wu, Wenjing Guo

“…Abstract With increasing mining depth, the coal pillars of a coal mine will be in a stressful environment characterized by high gas pressures and unidirectional loading. …”
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Experimental study of the moisture content influence on CH adsorption and deformation characteristics of cylindrical bituminous coal core by Dingyi Hao, Lei Zhang, Mingxue Li, Shihao Tu, Cun Zhang, Qingsheng Bai, Chen Wang

“…In this paper, the cylindrical bituminous coal cores of Xutuan coal mine in Huaibei coal mine group were studied as experimental objects, using the laboratory self-designed experimental device Gas Adsorption and Strain Testing Apparatus system . …”
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Study of Rock Burst Risk Evolution in Front of Deep Longwall Panel Based on Passive Seismic Velocity Tomography by Kunyou Zhou, Linming Dou, Siyuan Gong, Jiazhuo Li, Jinkui Zhang, Jinrong Cao

“…Monitoring and early-warning are critical for the prevention and controlling of rock burst in deep coal mining. In this study, rock burst risk assessment criterion was built based on the correlativity between seismic velocity and stress state in coal and rock body. …”
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Numerical investigation of coal pillar damage mechanisms for various width-to-height ratios by Xuanhui Wang, Ze Xia, Qiangling Yao, Xuehua Li, Qiang Xu, Liu Zhu

“…Finally, two case studies of conventional coal pillars in the Zhulinshan coal mine and the yield coal pillars in the Tashan coal mine were reported.…”
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Control of the Chamber in Extra-Thick Coal Seam Based on Fracture Characteristics of Coal Rock and Mass by Yang Tai, Guozhi Lu, Hongchun Xia, Jinrong Liu, Yanqun Zhang

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Monte Carlo Based Personalized PageRank on Dynamic Networks by Zhang Junchao, Chen Junjie, Jiancheng Song, Rong-Xiang Zhao

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Study on the Water-Physical Properties of the Cement-Plaster Bonded Rock-Like Materials by Yong Zhang, Zhiguo Cao, Xiaomeng Shi

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Numerical Analysis on the Storage of Nuclear Waste in Gas-Saturated Deep Coal Seam by Teng Teng, Yuming Wang, Xiaoyan Zhu, Xiangyang Zhang, Sihai Yi, Guowei Fan, Bin Liu

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