Coupled Static-Dynamic Tensile Mechanical Properties and Energy Dissipation Characteristic of Limestone Specimen in SHPB Tests by Qi Ping, Zhaohui Fang, Dongdong Ma, Hao Zhang

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Key Technology Research on the Rapid-Molding In-Closed Retaining-Wall in Filling Mining by Chaowen Hu, Qian Li, Yilong Wang, Ke Chang, Yongyuan Li, Yaqian Wang, Hui Liu

“…Filling mining is a main technology of mining coal resources under buildings, and it has a good effect on preventing ground subsidence. Taking Wangtaipu coal mine of the Shanxi Jincheng Anthracite Coal Mining Group as the engineering background, in order to solve the problem of traditional closed brick wall at the end of working face, which consumes a lot of manpower and material resources, and low efficiency, a technology of rapid-molding in-closed retaining-wall was proposed. …”
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Study on Distribution Law of Ground Stress in Main Coal Seam of Qinshui Coalfield by Feng Youliang, Wu Longyun

“…The findings indicate that the maximum horizontal principal stress in the coal mining area of both seams is generally higher than the vertical principal stress. …”
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Bearing characteristics and damage rules of regenerated rock mass by Ping Wang, Zilong Zeng, Yingming Li, Hongbo Liao, Jianhua Lv, Haijun Guo

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A New Method for Predicting the Permeability of Sandstone in Deep Reservoirs by Feisheng Feng, Pan Wang, Zhen Wei, Guanghui Jiang, Dongjing Xu, Jiqiang Zhang, Jing Zhang

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Experimental Study on Lateral Permeability Evolution of Sandstone under Seepage-Damage Coupling by Dongdong Pang, Feisheng Feng, Guanghui Jiang, Dongjing Xu, Xiaohan Wang

“…To analyze the internal pore evolution law of aquifer rock in a coal mining front under the coupling effect of stress and seepage and the influence on the water inrush performance of the working face, research on the working face was conducted to improve the RTR-1000 high-temperature and high-pressure rock triaxial mechanical testing system, using hollow cylindrical and complete sandstone samples and by considering the stress change law in the actual mining process as the reference loading path. …”
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Preparation of Superhydrophobic Multiscale Films for Oil-Water Separation in a Harsh Environment by Depeng Li, Jinyang Fan, Jie Chen, Deyi Jiang

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Study on In Situ Stress Measurement and Surrounding Rock Control Technology in Deep Mine by Zhongcheng Qin, Bin Cao, Yongle Liu, Tan Li

“…The measured data of in situ stress in the Shuanghe coal mine show that the maximum principal stress is 44.94~50.61 MPa, and the maximum principal stress direction is near horizontal direction, which belongs to tectonic stress field. …”
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Study of the Fracture Law of Overlying Strata under Water Based on the Flow-Stress-Damage Model by Zhijie Wen, Suolin Jing, Yujing Jiang, Lei Tian, Jinhao Wen, Zhiguo Cao, Shaoshuai Shi, Yujun Zuo

“…To accurately detect the development height of the water flowing fractured zone (WFFZ) in the overlying strata of the working face after mining under water and to ensure the safety and reliability of coal mining, the coal seam located under Weishanhu Lake in the Jisan coal mine was used as the experimental system. …”
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Research on Surrounding Rock Control Technology of Dongbaowei Deep Mining Roadway by Chengjia Wu, Tao Qin, Lei Wang, Zhi Liu

“…Through comparative analysis of deep roadway support plan carried out by numerical simulation, the support scheme suitable for Dongbaowei Coal Mine is put forward, which is applied in the field. …”
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Research on Deformation Mechanisms of a High Geostress Soft Rock Roadway and Double-Shell Grouting Technology by Fengnian Wang, Shizhuang Chen, Pan Gao, Zhibiao Guo, Zhigang Tao

“…In this study, the deformation characteristics and mechanical properties of coal and rock mass in the S2N5 working face of the Xiaokang coal mine are analyzed to address the problem of large deformation of soft rocks with high in situ stress surrounding roadways. …”
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Study on Deformation and Permeation Properties of Gas-Containing Fractured Rock by Yushun Yang, Dongming Zhang, Shujian Li

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Application of Homogenized Load-Bearing Ring Hypothesis in Roadway Supporting by Quntao Zhang, Jianwei Zheng, Xiaodong Sun, Wenzhou Li, Kang Yi, Yukai Fu, Jiulin Shi, Shuai Wang, Biao Liu, Qi Wang

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Defects and Improvement of Predicting Mine Water Inflow by Virtual Large Diameter Well Method by Zhimin Xu, Tianci Chen, Jianfeng Li, Yajun Sun, Chenghang Zhang, Ge Chen, Yating Gao, Ye He

“…This paper firstly analyzes the formation mechanism of coal mine roof water inflow and the errors and defects in the calculation of mine water inflow by virtual large diameter well (VLDWM). …”
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An Automatic Recognition Method of Microseismic Signals Based on S Transformation and Improved Gaussian Mixture Model by Kaikai Wang, Chun’an Tang, Ke Ma, Xintang Wang, Qiang Li

“…Firstly, the time-frequency characteristics of microseismic signals in coal mine are extracted by ST analysis. It is found that there are obvious time-frequency differences between rock-fracturing signals and blast vibration signals. …”
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Experimental and Numerical Evaluation of Rock Dynamic Test with Split-Hopkinson Pressure Bar by Kang Peng, Ke Gao, Jian Liu, Yujiao Liu, Zhenyu Zhang, Xiang Fan, Xuyan Yin, Yongliang Zhang, Gun Huang

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Experimental Study on Dynamic Mechanical Properties and Energy Evolution Characteristics of Limestone Specimens Subjected to High Temperature by Qi Ping, Chuanliang Zhang, Haipeng Su, Hao Zhang

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Study on Inhibitory Effect of Cavity on Gas Explosion Propagation by Zhuo Yan, Shujie Yuan, Zhongqing Li, Shicheng Gu, Chaomin Mu

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Determination of Mining-Induced Changes in Hydrogeological Parameters of Overburden Aquifer in a Coalfield, Northwest China: Approaches Using the Water Level Response to Earth Tide... by Qingyu Xu, Guangcai Wang, Xiangyang Liang, Shen Qu, Zheming Shi, Xianbin Wang

“…., permeability and specific storage) of aquifers disturbed by mining activity is significant to groundwater resource and ecological environment protection in coal mine areas. However, such parameters are difficult to continuously measure in situ using conventional hydrogeological methods, and their temporal changes associated with coal mining are not well understood. …”
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Promising Directions in Chemical Processing of Methane from Coal Industry. Part 4. Long-term Stability Test by Е.V. Matus, O.V. Tailakov, O.B. Sukhova, A.V. Salnikov, O.A. Stonkus, M.A. Kerzhentsev, S.R. Khairulin, Z.R. Ismagilov

“… For the processing of coal mine methane into hydrogen-containing gas, a catalytic process of methane tri-reforming was studied under long-term testing conditions (800 ᵒC, 100 h). …”
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