Results 11 to 20 of about 2,064 (256)
Effect of Coalbed Methane Well Fracturing on Slope Stability of Open-Pit Coal Mine: A Case Study of Shengli East No. 2 Open-Pit Coal Mine [PDF]
Advances in Civil Engineering, 2020 The impact of hydraulic fracture from CBM well fracturing on slope stability of the Shengli East No. 2 open-pit coal mine is analyzed by numerical simulation and limit equilibrium methods.
Qingzhong Zhu +7 more
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Research on production capacity planning method of open-pit coal mine. [PDF]
Sci Rep, 2023 Abstract Reasonable production capacity is related to the economic benefits of an open-pit coal mine. This study analyzes the relationship between the working face length, the annual advancing speed and the production capacity. It constructs a production capacity function relationship model. Take the Baorixile open-pit coal mine as an
Liu G, Guo W, Chai S, Li J.
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Investigation on flow field characteristics in an open-pit coal mine [PDF]
Environmental Science and Pollution Research, 2021 Abstract In this paper, the atmospheric flow field characteristics in a deep open-pit mine are investigated numerically and theoretically. A theoretical model on the recirculation length based on the energy equation is used, a total variation diminishing (TVD) difference scheme with second order accuracy is used to solve the NS equations with a
Wanjun, Tang +3 more
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Study on Optimization of Coal Truck Flow in Open‐Pit Mine [PDF]
Advances in Civil Engineering, 2020 A semicontinuous process system consisting of a single‐bucket excavator, truck, crushing station, and belt conveyor is the main coal mining process system of a large‐scale hard coal open‐pit mine. Through analyzing the coal mining production process, the key issues of coal mining truck flow optimization are obtained.
Haiming Bao, Ruixin Zhang
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Landslide mechanism and stability of an open-pit slope: The Manglai open-pit coal mine
Frontiers in Earth Science, 2022 Abstract A clear understanding of landslide mechanisms and stability analyses is of great significance for landslide monitoring, prediction, and control. A large-scale end wall landslide occurred on August 7–20, 2020, in the Manglai open-pit coal mine, China.
Tao Chen +3 more
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Research on unmanned driving system of mine-used truck
Gong-kuang zidonghua, 2021 With the deep exploration of large open-pit coal mines, the phenomenon of steep slopes and many bends has gradually increased. Moreover, the mine-used truck driving is difficult and there are hidden safety hazards.
YAN Ling1, HUANG Jiade2
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Research on emergency management system of unmanned transportation system in open-pit coal mine
Gong-kuang zidonghua, 2022 With the development of the intelligent mine, open-pit coal mine unmanned transportation system has gradually carried out experimental applications. But the application of new technologies brings new management challenges.
XUE Qiwen +4 more
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Meikuang Anquan, 2022 In order to explore the influence of coal seam spontaneous combustion process on slope stability, the slope slip process under different coal seam spontaneous combustion depths was simulated by using FLAC3D based on the engineering background of Hequ ...
LUO Ke, GAO Yu, ZHANG Bin
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矿业科学学报, 2022 In order to reduce the harm of dust dispersion in open-pit coal mine to the mining environment and the damage of personnel and equipment, this paper carried out the research on dust migration, distribution and treatment in open-pit coal mine by taking ...
Zhao Hongbao +5 more
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Meitan kexue jishu, 2023 The eastern grassland region is an important coal energy base in China, and coal development has made great contributions to the energy security supply of the northeast region and the economic development of China. In response to the problems of cold and
LI Quansheng, LI Lin
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