Mechanical properties and energy evolution of outburst coal seams under different load regimes by Zhang Tianjun, Wu Jiaokun, Wang Gang, Chen Yong, Ding Hong, Ma Hongyu, Yang Jie

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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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Research on Hydraulic Fracturing Pressure Relief Technology in the Deep High-Stress Roadway for Surrounding Rock Control by Wen Zhai, Yachao Guo, Xiaochuan Ma, Nailv Li, Peng Zhang, Kun Ma, Yuanxin Jing, Hong Yu, Xiaotong Li

“…With the increase of mining depth in underground engineering, deep ground pressure has an extremely unfavorable impact on safety production and the economic benefits of coal mines and the control of the roadway stability in deep mines are gradually highlighted. …”
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ExAIRFC-GSDC: An Advanced Machine Learning-Based Interpretable Framework for Accurate Gas Leakage Detection and Classification by B. Lalithadevi, S. Krishnaveni

“…Abstract Gas leakage detection is imperative in various sectors, including chemical industries, coal mines, and household applications. The escalating number of accidents in coal mines, chemical industries, and homes underscores the urgency of swift and accurate gas detection methods. …”
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Behaviour of Foam Concrete under Impact Loading Based on SHPB Experiments by Yongliang He, Mingshi Gao, Hongchao Zhao, Yichao Zhao

“…The findings of this research provide a reference for further research on the application of foam concrete in underground coal mines.…”
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Damage and Failure Evolution Mechanism for Coal Pillar Dams Affected by Water Immersion in Underground Reservoirs by Fangtian Wang, Ningning Liang, Gang Li

“…In coal mines, underground reservoir systems can increase the availability of water and are an effective technical approach for the protection and utilization of water resources. …”
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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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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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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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Layout of the First-Mining Working Face in the Protected Seam for Pressure Relief by Peak Stress Shift by Xiao-Xu Gao, Guo-Jin Chai, Guang-An Zhu

“…The results can provide a reference for the layout of the working faces in protected seams in adjacent coal mines.…”
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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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Experimental Study on the Mud-Water Inrush Characteristics through Rock Fractures by YanLin Zhao, LianYang Zhang

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Distribution and Variation of Mining-Induced Stress in the Reverse Fault-Affected Coal Body by Rui Zhou, Yujin Qin, Zhizhen Zhang

“…Finally, intrinsically safe GZY25 borehole stress sensors were used to monitor the coal body stresses in the reverse fault area under the influence of mining in Xinchun Coal Mine and ZuoQiuka Coal Mine. It was found that the coal body stress concentration in front of the working face either increased gradually or increased first before decreasing. …”
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Experimental study on freeze-thaw damage characteristics and mechanical properties of fractured rock mass of surface mine slope in cold region by Sen TIAN, Ying ZHAO, Hu SI, Chun ZHU, Quangui LI

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A key technology for synergistic backfilling of coal-based solid waste and high-salinity wastewater by Shuning DONG, Shujiang YU, Xingling DONG, Buqin ZHANG, Xiaoming GUO, Xiaodong WANG, Kai WANG, Shibin ZHU, Boqiang WU, Lei LIU

“…Specifically, high-salinity water, rather than ordinary water and additives such as early strength agent, and solid waste cementitious materials—used to replacing part of cement, were mixed while stirring to produce filling paste, which was then pumped to the underground goaves of coal mines. To analyze the feasibility of this technology, this study investigated the mechanical properties and potential environmental impacts of filling paste prepared using coal-based solid waste and high-salinity wastewater from a certain coal mine in the Ningdong coal base in Ningxia. …”
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Analysis and Experimental Study on Pressure Characteristics of Supporting Roller Group of Pipe Belt Conveyor by Shuang Wang, Deyong Li, Kun Hu

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Research on Stress Distribution Characteristics for Uniquely Shaped Roadway with Hard Roof in Steeply Inclined Coal Seam and Support Technology of Reducing Vibration Impact by Junhui Zhang, Hui Chen, Xiuzhi Shi, Weiming Guan, Xiaolong Sun

“…The large amount of coal produced in the coal mine and the large movement range of the upper strata cause the huge mining additional stress around the stope. …”
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Failure Mechanism of Gob-Side Roadway under Overlying Coal Pillar Multiseam Mining by Hongwei Mu, Anhu Wang, Dazhao Song, Dongfang Su, Donghui Li

“…Roadway deformation and rock burst are the two key challenges faced by the safe operation of coal mines. Aiming at the issue of large deformation of the gob-side roadway under coal pillars in multiseam mining, this study has considered the case of the 8308 panel of Xinzhouyao coal mine in China. …”
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Physical Simulation of the Water-Conducting Fracture Zone of Weak Roofs in Shallow Seam Mining Based on a Self-Designed Hydromechanical Coupling Experiment System by Hao Zha, Weiqun Liu, Qinghong Liu

“…The simulated fracture depth of the Yili coal mine agreed with the in situ borehole observation very well and was more accurate than the output of the empirical formula. …”
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