The Stability Analysis of Roadway near Faults under Complex High Stress by Biao Zhang, Huaqiang Zhou, Qingliang Chang, Xu Zhao, Yuantian Sun

“…Based on geological conditions of 3318 working face haulage roadway in Xuchang Coal Mine, as well as the space-time relationship with surrounding gob, theoretical analysis and numerical simulation were used to study the influence of fault structure on the original rock stress of 3318 working face transport roadway. …”
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Experimental Study on Influence of Borehole Arrangement on Energy Conversion and Acoustic Characteristics of Coal-Like Material Sample by Chuanbo Hao, Zhiyuan Hou, Fukun Xiao, Gang Liu

“…The results of this study have certain guiding significance for the layout of pressure relief boreholes in the production process of coal mines.…”
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Calculation Method of Overburden Damage Height Based on Fracture Mechanics Analysis of Soft and Hard Rock Layers by Liang Chen, Shaowu Fan, Can Zhao, Lang Zhang, Zhiheng Cheng

“…This research took Yuwu coal mine in Lu’an mining area as an example. Results showed that (1) by the calculation method, the overburden damage height of the N1102 fully mechanized caving face in Yuwu coal mine was 51.44 m, which was less than the value obtained by an actual borehole TV method as well as the numerical simulation result of 53.46 m, with a calculation accuracy about 96.22%, which is quite high for both. …”
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Prediction of Blasting Fragmentation Based on GWO-ELM by Zhengzhao Jia, Ziling Song, Junfu Fan, Juyu Jiang

“…Taking No. 2 open-pit coal mine of Dananhu as an example, seven factors including the rock tensile strength, compressive strength, hole spacing, row spacing, minimum resistance line, super depth, and specific charge are selected as the input factors of the prediction model. …”
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Mechanism and Procedure of Repeated Borehole Drilling Using Wall Protection and a Soft Structure to Prevent Rockburst: A Case Study by Yongliang He, Mingshi Gao, Xu Dong, Xin Yu

“…With the increasing mining depth of coal mines, the occurrence of rockburst, especially in mine roadways, is becoming critical as a severe dynamic disaster. …”
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Analytical and Numerical Study of the Ground Pressure of the Work Face Crossing the Fault by Yanan Gao, Yudong Zhang, Donghao Lan, Feng Gao

“…The excavation of coal mine often encounters the fault problem. In this paper, the analytical study of the pressure of the fault that the work face may cross is carried out. …”
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Mechanism of Support Optimization and Confined Blasting of Thick and Hard Rock with a Wedge-Structure Immediate Roof: A Case Study by Tong Zhao, Peilin Gong, Kaan Yetilmezsoy, Majid Bahramian, Changyou Liu, Xiaofei Gong

“…Based on the occurrence conditions of a thick and hard main roof and wedge-structure immediate roof in the Zhuxianzhuang Coal Mine, the fracture characteristics and instability migration law of a thick and hard roof (THR) were examined via physical simulations. …”
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Dynamic Changes in Surface Damage Induced by High-Intensity Mining of Shallow, Thick Coal Seams in Gully Areas by Jianwei Li, Xintian Li, Changyou Liu, Xiangye Wu

“…This approach combines field observation, three-dimensional modeling, numerical simulation, and theoretical analysis based on the conditions of the Chuancao Gedan coal mine. The in situ stress field of coalbeds is influenced by the gully terrain. …”
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The optimal grouting area and cable distribution design for guaranteeing roadway stability while considering fluid mechanical effects via the CMOEAD algorithm by Peng Li, Yinghai Guo, Yinghao Cheng, Jiaming Zhang

“…Abstract Water inrush in roadways frequently occurs in coal mines when the rock mass is enriched with underground water. …”
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An Elastoplastic Softening Damage Model for Hydraulic Fracturing in Soft Coal Seams by Yang Hao, Yu Wu, Xianbiao Mao, Pan Li, Liqiang Zhang, Jing Tao

“…The model then was implemented to FLAC3D finite difference software to be verified with the on-site results of the Number 2709 coalface in Datong coal mine, China. The modelling results of fracture-influenced radius show good consistency with on-site results. …”
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Effect of Seepage Velocity on Formation of Shaft Frozen Wall in Loose Aquifer by Jian Lin, Hua Cheng, Hai-bing Cai, Bin Tang, Guang-yong Cao

“…This paper addresses the difficult closure of a frozen wall in a coal mine shaft due to excessive seepage velocity in an aquifer when the aquifer is penetrated via the artificial freezing method. …”
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Experimental Investigation of Coal Dust Wettability Based on Surface Contact Angle by Gang Zhou, Han Qiu, Qi Zhang, Mao Xu, Jiayuan Wang, Gang Wang

“…In this paper, the theory of liquid wetting solid was presented firstly; then, taking the gas coal of Xinglongzhuang coal mine in China as an example, by determination of critical surface tension of coal piece, it can be concluded that only when the surface tension of surfactant solution is less than 45 mN/m can the coal sample be fully wetted. …”
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Mechanism of microscopic behind the influence of stress loading on gas adsorption by coal by Zhihui Wen, Shuqian Guo, Yanxia Zhao, Yanping Wang, Ran Jia, Jiangang Ren

“…The research findings are anticipated to offer theoretical and practical guidance for the prevention and control of gas disasters in deep coal mines and the extraction of coalbed methane.…”
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Analysis of Strata Behavior Process Characteristics of Gob-Side Entry Retaining with Roof Cutting and Pressure Releasing Based on Composite Roof Structure by Manchao He, Xingen Ma, Bin Yu

“…Besides, taking the 8304 working face of Tashan Coal Mine as an example, the results of theoretical research are verified by field-monitoring data of hydraulic supports, working resistance, and roadway deformation. …”
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RELATION OF COAL FREEZING ADHESIVE STRENGTH WITH WATER-LUBRICATING COEFFICIENT OF KINETIC FRICTION by WANG ChunHua, XU HanWen, HAO ZhiYong, QU Hui, WANG ZhongXian

“…Coal is the important basic energy in China,however due to the problems of conveyor belt running deviation and avultion caused by freezing adhesive turnabout roller surface,it seriously restricts with coal mine safe and efficient production in cold regions during winter and brings huge economic losses to the company,although existing solutions have a certain ease of coal freezing adhesion but can not fundamentally solve the problem. …”
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The Research of Coal and Gas Outburst Warning Based on Logistic Regression and Geographic Information System by Bo You, Bo Li, Shi Liang Shi, He Qing Liu, Yi Lu, He Li

“…Coal and gas outburst is one of the major disasters in the safety production of coal mine. According to the mechanism of coal and gas outburst, based on the comprehensive analysis of various influencing factors of coal and gas outburst, with the principles of selected early warning indicator, the basic information database of coal and gas outburst warning is constructed, and the information data query function is realized. …”
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A Study on the Impact of Longwall-Mining Operation on the Stability of a Slope-Pillar Structure by Wenyong Bai, Jie Zhang, Bin Wang, Jianchen Zhang, Hongru Li, Sen Yang

“…In order to study the impact of stress variations (induced by the longwall-mining operations) on the stability of a slope-pillar structure, No. 30101-1 working face of Nanliang Coal Mine was selected as the study subject. A series of analysis including physical similar simulation test and the theoretical analysis were conducted to study the movement pattern of the overlying strata in the working face of the slope and the loading and the stability of the pillar column revealing the mechanism of dynamic load instability of nonuniformly distributed load “slope pillar.” …”
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Influence of Site Effects on Scaling Relation Between Rotational and Translational Signals Produced by Anthropogenic Seismicity by Dariusz Nawrocki, Maciej J. Mendecki, Grzegorz Mutke, Lesław Teper

“…Local seismicity, produced by the surrounding hard coal mines, allowed the collection of 130 seismic events. …”
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Methane Extraction from Abandoned Mines by Surface Vertical Wells: A Case Study in China by Shengyong Hu, Ao Zhang, Guorui Feng, Xiangqian Guo, Xuyang Miu, Chao Li, Dandan Han, Jin Wang, Lixun Kang

“…Considerable methane resources exist in abandoned coal mines. However, methane extraction from abandoned mines in China is still in the exploratory stage. …”
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Failure Mechanism and Control of Lower Retracement Channel in Close-Distance Double-Thick Coal Seams by Fulian He, Kai Lv, Xiaobin Li, Binbin Qin, Liang Li

“…This study provides a reference for coal mines with similar production geological conditions.…”
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