Experimental Research on Coal and Gas Delay Outburst and AE Characteristics under Conditions of Geostress and Gas Pressure Disturbance by Geng Jiabo, Liu Jiangtong, Li Xiaoshuang, Nie Wen, Zhang Dongming, Xu Jiang

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Instability Mode and Control Technology of Surrounding Rock in Composite Roof Coal Roadway under Multiple Dynamic Pressure Disturbances by Peng Wang, Nong Zhang, Jiaguang Kan, Xingliang Xu, Guangzhen Cui

“…The geological conditions of gas control roadway in the 22301 working face of Tunlan coal mine are taken as examples, and this study is carried out based on the analysis of roof instability conditions of composite roof coal roadway. …”
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Structural Characteristics of Regenerated Roof and Distribution Law of Overburden Porosity in Downward Mining of a Bifurcated Coal Seam by Ru Hu, Jiwen Wu, Xiaorong Zhai, Wenbao Shi, Kai Huang

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Respiratory symptoms after coalmine fire and pandemic: A longitudinal analysis of the Hazelwood Health Study adult cohort. by Tyler J Lane, Matthew Carroll, Brigitte M Borg, Tracy A McCaffrey, Catherine L Smith, Caroline X Gao, David Brown, Amanda Johnson, David Poland, Shantelle Allgood, Jillian Ikin, Michael J Abramson

“…The aim of this study was to determine whether the effects of extreme but discrete PM2.5 exposure from a coal mine fire on respiratory symptoms abated, persisted, or worsened over time, and whether they were exacerbated by COVID-19. …”
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Properties and Engineering Applications of a New Goaf Grouting Filling Material by Xiao Feng, Chong Xia, Sifeng Zhang, Chuangui Li, Hongkui Zhao, Jianfeng Wu, Mengjun Chen, Jia Yan

“…The new C-FA-MS material was applied for the treatment of the goaf in the Wu Sizhuang coal mine. Core drilling detection and audiofrequency magnetotelluric survey revealed that the goaf was sufficiently filled.…”
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Overlying Strata Movement Laws Induced by Longwall Mining of Deep Buried Coal Seam with Superhigh-Water Material Backfilling Technology by Fangtian Wang, Qi Ma, Gang Li, Chengguo Wu, Guangli Guo

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Sealing Behavior and Flow Mechanism of Expandable Material Slurry with High Water Content for Sealing Gas Drainage Boreholes by Guozhong Hu, Wenrui He, Changjin Lan

“…Predrainage of coalbed gas by underground drilling is one of the main approaches for eliminating gas disasters in coal mines. Owing to the unsatisfactory sealing effect of conventional sealing materials, coalbed gas drainage boreholes face serious air leakage, resulting in a relatively low concentration of the drained gas. …”
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Impacts of coal fracture roughness and aperture on the seepage of injected water: An experimental study by Gang WANG, Xuechang CHEN, Hao CHEN, Qingming LONG, Yixin LIU

“…ObjectiveWater injection into coal seams is recognized as a critical technical measure for dust removal and the prevention and control of coal and gas outbursts and rock bursts in coal mines. The effectiveness of this measure is significantly influenced by the morphological characteristics of fractures, such as their roughness and aperture. …”
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Application of Clustering and Stepwise Discriminant Analysis Based on Hydrochemical Characteristics in Determining the Source of Mine Water Inrush by Weitao Liu, Jie Yu, Jianjun Shen, Qiushuang Zheng, Mengke Han, Yingying Hu, Xiangxi Meng

“…In order to explore the law of groundwater evolution, the water source connection between faults and aquifers and the main sources of mine water inrush in the deep mining area of Yangcheng Coal Mine in Jining City, 40 groups of hydrochemical samples were collected and analyzed by Piper Diagram and Durov Diagram. …”
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Mechanical Properties and Control Rockburst Mechanism of Coal and Rock Mass with Bursting Liability in Deep Mining by Ming-tao Gao, Zhen-qi Song, Hui-qiang Duan, Heng-qi Xin, Jian-quan Tang

“…In order to study the mechanism of the dynamic disaster of rockburst in a deep coal mine and the prevention and control measures of weakening shock, the MTS815.03 servocontrolled rock mechanics test system is used to test the coal, rock, and combined specimens with the buried depth of nearly 1200 m in Xinwen Mining Area. …”
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Analysis on the Influence Degree of Deformation Control Factors of Deep-Buried Roadway’s Fractured Surrounding Rock Using Orthogonal Design by Ke Li, Weijian Yu, Youlin Xu, Ze Zhou, Mengtang Xu, Wei Liang

“…The deformation of deep-buried roadway’s fractured surrounding rock development was investigated using multi-index orthoplan in this paper. According to the coal mine field investigation, support structure’s failure often occurs, and some need to be repaired many times. …”
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Determining the Height of Water-Flowing Fractured Zone in Bedrock-Soil Layer in a Jurassic Coalfield in Northern Shaanxi, China by Jie Feng, Sujian Wang, Enke Hou, Xiang Ding, Huijun Duan

“…The height of the water-flowing fractured zone is the most important technical parameter for water prevention and control in a coal mine. Due to the numerous factors affecting the water-flowing fractured zone, it is difficult to accurately identify the zone. …”
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Experimental Investigations on Charge Induction and Microseismic Characteristics of the Coal and Rock under Different Loading Rates by Yuchun Liu, Ling Ding, Yangfeng Zhao, Yi Fan, Hongfei Li

“…In this study, the coal and sandstone samples from the No. 11 mine of Pingdingshan Coal Mine are prepared. The charge induction and microseismic synchronous comprehensive monitoring system is built. …”
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Geriatric nutritional risk index is associated with the occurrence of acute kidney injury in critically ill patients with acute heart failure by Sen Zhang, Nan Chen, Zhuo Huang, Ningyuan Yan, Liansheng Ma, Xiaoqin Gao

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Influence of Chamber Geometrical Parameters on Suppressing Explosion Propagation by Zhuo Yan, Shengli Guo, Shujie Yuan, Chaomin Mu

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Sliding Impact Mechanism of Square Roadway Based on Complex Function Theory by Decheng Ge, Fuxing Jiang, Cunwen Wang, Yang Chen, Chunyu Dong, Sitao Zhu, Zhaoyi Wang, Fei Han

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A Study of the Solid-Liquid-Gas Three-Phase Coupling Relationship of Coal, Water and Gas by Anying Yuan, Chunhui Huang, Junling Hou, Zhaomin Zhang, Weihui Pan, Lei Duan, Quansen Wu

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A Fully Coupled Hydromechanical Model for CO2 Sequestration in Coal Seam: the Roles of Multiphase Flow and Gas Dynamic Diffusion on Fluid Transfer and Coal Behavior by Rui Yang, Weiqun Liu, Tianran Ma, Junhe Xie, Yang Hu, Rui Zhou, Yongjie Yang

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Study on the mechanism and control of strong ground pressure in the mining of shallow buried close-distance coal seam passing through the loess hilly region by Yanpeng He, Qingxiang Huang, Li Ma

“…Taking the in the Zhangjiamao Coal Mine as the background, this study revealed the mechanism of high ground pressure when the working face of lower coal seam passes through the surface loess hilly region. …”
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An Experimental Investigation on the Relationship between MS Frequency Response and Coal and Gas Outburst by Quanjie Zhu, Qingsong Li, Yu Feng, Xianwei Heng, Shaoquan Li, Tao Yang

“…This approach can be useful for rockburst anticipation and control during mining in gas and highly stressed coal mines.…”
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