Search Results - Editorial Office of Safety in Coal Mines

Research on monitoring method of shaft tilt deformation based on SLAM by GENG Zhijiang, ZHOU Dawei, BAI Zhihui, ZHAN Xilin, DIAO Xinpeng

“…In view of the problems existing in traditional shaft safety monitoring methods such as low efficiency(need monitoring after production stop), less data and…”
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Study on pore structure of coking coal based on low-temperature nitrogen adsorption and mercury intrusion method by QI Lingling, ZHOU Xiaoqing, PENG Xinshan, WANG Zhaofeng, DAI Juhua

“…In order to clarify the pore structure characteristics of deep coking coal in Pingdingshan No.12 Coal Mine, low-temperature nitrogen adsorption method and…”
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Study on overburden failure characteristics and surface water infiltration law of coal seam mining through gully by YU Bo, WANG Hao, SHANG Hongbo

“…In order to analyze the overburden failure characteristics and surface water infiltration law of coal seam mining through gully, the typical working face of…”
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Failure mechanism and fracture development law of heterogeneous brittle rock by GUO Yan

“…To study the failure mode and fracture development of brittle rock under uniaxial compression, the mineral composition and content were tested through…”
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Pattern recognition model of coalbed methane productivity based on random forest algorithm by TAN Chenyang, ZHANG Zhansong, ZHOU Xueqing, GUO Jianhong, XIAO Hang, CHEN Tao, QIN Ruibao, YU Jie

“…In order to explore the productivity characteristics of coalbed methane（ＣＢＭ） wells and reasonably allocate the development sequence, according to the actual…”
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Prediction model of coal seam gas content based on ACSOA optimized BP neural network by Prediction model of coal seam gas content based on ACSOA optimized BP neural network

“…For the problem of coal seam gas content prediction, the influencing factors of coal seam gas content were analyzed by taking No.2 coal seam of Chensilou Coal…”
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Analysis of coal mine safety production situation in China from 2019 to 2020 by ZHANG Peisen, NIU Hui, ZHU Huicong, LI Fuxing

“…In order to explore the characteristics and laws of coal mine safety accidents in a more in-depth and objective way, the number of coal mine accidents and…”
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Research and application of anti rock burst mechanism of large diameter boreholes in coal seam and roof pre-splitting holes by PANG Lining, FU Shujun, SU Bo

“…In order to solve the problem of rock burst in the gob roadway of Hulusu Coal Mine, the anti rock burst mechanism of large diameter boreholes and pre-split…”
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Research progress of gas drainage boreholes sealing materials and matching technology in underground coal mine by YAN Wenxue, CHENG Bo

“…It was one of the hot spots that coal mine safety technicians were competing for studying the suitable sealing material and its matching technology for gas…”
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Influence of loading rate on macro and micro formation mechanism of acoustic emission events in sandstone and granite by FENG Xiaojing, ZHANG Ruizhe

“…The distribution characteristics of acoustic emission events of sandstone and granite at different loading rates are analyzed. Electron microscopy of rock…”
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Review on research theory and methods of pore distribution characteristics of coal by CHEN Yupeng, JIANG Wenzhong, QIN Yujin, SU Weiwei

“…The pore distribution characteristics of coal not only directly affect the gas storage and migration ability in coal seam, but also directly affect the…”
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Deformation characteristics of open-pit slope affected by excavation loading by WANG Tao, ZHAO Ruhui

“…Aiming at the stability of open pit slope under excavation unloading, the deformation characteristics of slope under excavation unloading are studied by…”
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Experimental study on change mechanism of coal and rock permeability under total stress and strain condition by XUE Junhua, LI Yanhe, LI Hongbiao, YUAN Zhandong, ZHAN Keliang

“…In order to study the permeability evolution law of coal and rock under the action of mining dynamic load, the Darcy law steady-state measurement method was…”
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Study on Optimization of Coal Mine Safety Risk Evaluation Index System by GAO Tong, LIU Yun, HUANG He, SUN Jianlin

“…In view of the problems that current coal mine safety risk evaluation index system cannot meet the dynamic safety evaluation of coal mine risk, lack of…”
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Rock Hardness Identification Based on Cutting Motor Current of Roadheader by HE Ying, TIAN Muqin, SONG Jiancheng, FENG Junling, DONG Zonghui

“…It is difficult to monitor the cutting load directly during the driving process of roadheader for rock tunnel, which leads to the problem that the cutting…”
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Numerical Simulation on Change of Equivalent Permeability of Coal Rock Under Different Stress Ratios by LI Huigui, GAO Baobin, WANG Honglei, LI Huamin

“…We describe the mechanics characteristic of the coal rock by adopting B-B failure criteria. Moreover, we study the crack evolution rule of coal rock, the…”
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Study on Evolution of Pore Structure of Medium and High Rank Coals by LIU Yanwei, ZHANG Xinmiao, MIAO Jian

“…In order to study the evolution characteristics of the pore structure of medium and high rank coals, the low-temperature nitrogen adsorption method and the FHH…”
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Application of Electromagnetic Radiation Monitoring Equipment in Monitoring and Warning of Coal and Gas Outburst by WANG Enyuan, LI Zhonghui, LI Dexing, LIU Xiaofei, LI Jinduo

“…In order to systematically describe the electromagnetic radiation monitoring and early warning technology and application status of coal and gas outburst, the…”
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Several Key Problems of Coal Bump Prevention and Control in China’s Coal Mines by QI Qingxin, ZHAO Shankun, LI Haitao, QIN Kai

“…Under the good situation that the national coal mine safety production situation has basically improved, the coal bump disaster has become the most headache…”
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Stress Evolution and Roof Breaking Characteristics of Surrounding Rock in Oblique Longwall Mining Area of Steeply Dipping Seam by WU Yongping, LIU Wanghai, XIE Panshi, TIAN Shuangqi

“…Taking 3132 steeply dipping coal fully-mechanized oblique longwall mining working face in Lyushuidong Coal Mine as the engineering background, the aricle…”
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