Prediction of Vibration Velocity of Bench Blasting Reflecting Negative Elevation Effect by Xiaojun Zhang, Jianjun Shi

“…Besides, the formula accuracy is verified by the measured vibration velocity of the mass in the Jinou coal mine. The step (negative) formula acts as a more feasible candidate for the prediction of step blasting vibration.…”
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Study on the Mechanism and Control of Rock Burst of Coal Pillar under Complex Conditions by Xingping Lai, Huicong Xu, Jingdao Fan, Zeyang Wang, Zhenguo Yan, Pengfei Shan, Jie Ren, Shuai Zhang, Yanbin Yang

“…In order to explore the mechanism of coal pillar rock burst in the overlying coal body area, taking W1123 working face of Kuangou Coal Mine as the engineering background, the full mining stage of W1123 is simulated by FLAC3D. …”
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The Innovative Design of Deep In Situ Pressure Retained Coring Based on Magnetic Field Trigger Controller by Guikang Liu, Mingzhong Gao, Zhiwen Yang, Ling Chen, Maoquan Fu, Heping Xie

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Experimental Study on Water Reduction Modification and Efficient Utilization of Coal-Based Solid Waste Slurry by Chengwei Ma, Dayang Xuan, Jialin Xu, Jian Li

“…Unreasonable treatment of coal-based solid waste and coal mining damage are important factors that cause negative environmental effects. …”
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Analysis on Deformation and Stress Characteristics of a Multibraced Pit-in-Pit Excavation in a Subway Transfer Station by Xin Shi, Chuanxin Rong, Hua Cheng, Linzhao Cui, Bin Wang, Shicheng Sun

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Comprehensive Evaluation of Blast Casting Results Based on Unascertained Measurement and Intuitionistic Fuzzy Set by Li Ma, Jianguo Zhang, Chen Xu, Xingping Lai, Qiang Luo, Chendong Liu, Kemin Li

“…The measured and processed data of blast casting in Heidaigou Open-Pit Coal Mine were calculated by the evaluation model. …”
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Preliminary Study on High-Energy and Low-Energy Microfracture Event Evolution Characteristics in the Development Process of Rock Failure by Guofeng Yu, Guanwen Cheng, Lianchong Li, Chunan Tang, Bo Ren, Yunchun Han

“…MS monitoring results from the No. 22517 working face of the Dongjiahe Coal Mine are studied, and AE monitoring results of a biaxial compression experiment of a granite specimen are analyzed. …”
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POSSIBILITIES OF SELF-ORGANIZATION METHODS IN PREDICTING EMERGENCY SITUATIONS IN MINING by I. S. Bondarenko, V. V. Kupriyanov

“…The article is directed at developing and substantiating one of the approaches to forecasting the individual residual resource of a particular mining equipment in operation in a coal mine clean-up area. The main causes, affecting the accuracy of forecasts, have been identified. …”
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Study on the Constant Resistance Coupling Support Technology for Rock Column at the Intersection Point of Deep Soft Rock Large Section Roadway: A Case Study in China by Huichen Xu, Yong Zhang, Jinkun Yang, Jiangbing Li, Xiaoming Sun, Cheng Xie

“…In order to solve the problem on the serious deformation and failure of the rock column at the intersection of large cross sections in Shiyakou coal mine, based on field engineering geomechanics analysis, theoretical analysis, and three-dimensional numerical simulation, combined with the mutual coupling between the constant resistance coupling support cable and surrounding rock, a dual-control constant-resistance coupling control technology with high prestressed constant resistance coupling support cable as the core solution is proposed. …”
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The Principle and Downhole Testing of Water Injection Exploration in Depleted Reservoirs by Jinpeng Xu, Hui Zhao, Bing Dong, Yi Li, Chuang Wang

“…Coal mine water hazards are one of the five major natural disasters in mines, and water in depleted areas is the most serious form of water hazard causing casualties. …”
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Similar Material Simulation Study on Protection Effect of Steeply Inclined Upper Protective Layer Mining with Varying Interlayer Distances by Zhigang Yuan, Yaohua Shao, Zhuohui Zhu

“…The research results provide a useful guide for layouts of roadway and gas drainage boreholes to prevent gas disaster in Nantong coal mine district.…”
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Failure Mechanisms and the Control of a Longwall Face with a Large Mining Height within a Shallow-Buried Coal Seam by Haijun Wang, Yingjie Liu, Yuesong Tang, Hao Gong, Guoliang Xu

“…In the present study, the 12401 longwall face of the Shangwan Coal Mine, Inner Mongolia, China, with a mining height of 8.8 m, is taken as an example to study the mechanisms underlying failure phenomena of coal walls and their control methods. …”
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Efficient Excavation and Support Cooperation Technology for Surrounding Rock of Deep Buried Long-Distance and Large Section Gob-Side Roadway: A Case Study by Houqiang Yang, Changliang Han, Nong Zhang, Xudong Li, Yitao Liu, Wentao Liu, Kai Song, Yuxin Guo, Wei Yao

“…The gob-side roadway technology is widely used in coal mining in China, as it can improves the recovery rate of coal resources and alleviate the shortage of mining replacement. …”
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Influence of Two Cooling Methods on Dynamic Mechanical Properties of High Temperature Sandstone by Qi Ping, Qi Diao, Dezhi Qi, Chen Wang, Chuanliang Zhang

“…To study the influence of different cooling methods on dynamic mechanical properties of high temperature rock, both natural cooling and water cooling were used to cool high temperature (100°C∼1000°C) coal mine sandstone to room temperature (20°C). Basic physical parameters of sandstone were measured, and impact compression tests were carried out by using the SHPB test device. …”
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The Law of Fracture Evolution of Overlying Strata and Gas Emission in Goaf under the Influence of Mining by Cheng Cheng, Xiaoyu Cheng, Rui Yu, Wenping Yue, Chao Liu

“…The aim of this study was to explore a case study of the Wangjialing coal mine 12322 working face in Shanxi, China, through physical simulation and field observation. …”
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Study on Permeability Improvement Technology by Injecting Air into the Gas Drainage Borehole in Low-Permeability Coal Seam by Li Hui, Guo Chengwei, Sun Yuanfang, Guo Shaoshuai

“…The results indicate that the best condition is a negative pressure drainage at 26 kPa and a gas injection pressure at 0.6 MPa in the vertical direction and in the horizontal direction of the injection hole. In Shanxi Daping Coal Mine 3113 working face, the field test is implemented. …”
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Le Paysage de la vallée de l’Ondaine. Complexité et paradoxe de la transformation et de la narration d’un territoire post minier by Georges-Henry Laffont, Luc Rojas

“…Once a center of mining and industrial activity throughout several centuries, the Ondaine Valley, between Saint-Etienne and Firminy, remains today marked by traces of the industrialization that shaped the territory, especially in regards to its coal mining history. Despite a period of mourning beginning in the late 1970s, local actors still have difficulties taking mining heritage into account within their territorial reconversion policies. …”
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Study on Factors Influencing the Viscosity of Sodium Carboxymethyl Cellulose Used in Capsule-Mucous Sealers by Fakai Wang, Zhongguang Sun, Xuelong Li, Kequan Wang, Deyou Chen, Zhen Li

“…The best solution for stabilizing the viscosity was determined and effectively applied at a coal mine site, where an overall improvement in the viscosity behaviour was observed.…”
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Study on the Mechanical Relationship among the Backfilling Mining Support, Roof Rock Beam, and Gangue Filling Body in Comprehensive Mechanized Filling Mining Process by Zhimin Huang, Lei Zhang, Zhanguo Ma

“…Properly increasing the pushing force of backfilling-coal mining hydraulic support on the filling body can also effectively control the roof subsidence. …”
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THE CONCEPT OF THE SIMULATION MODEL OF THE DECISION SUPPORT SYSTEM OF THE COAL ENTERPRISE by I. S. Bondarenko

“…In addition, the article presents the structure and description of the implemented simulation model of the main production process of the experimental coal mine. The paper indicates the role of the user-manager in the decision-making process based on the results of modeling. …”
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