Results 21 to 30 of about 11,011,498 (241)
Scientific Reports, 2021 In the process of longwall top coal caving, the selection of the top coal caving interval along the advancing direction of the working face has an important effect on the top coal recovery.
Chuang Liu, Huamin Li
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Mathematical Programming Application in Sublevel Caving Production Scheduling
Mining, 2021 Production scheduling determines the most beneficial mining sequence over the life of a mine. Developing a schedule that meets all mining aspects can substantially reduce mining costs and increase profitability.
Soroush Khazaei, Yashar Pourrahimian
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Analytical Model Determining the Optimal Block Size in the Block Caving Mining Method [PDF]
, 2015 Nowadays along with population growth, industry development, consumption of mineral resources and the fact that the reserves on hand are running out, the depth of surface and underground mines for further exploitation are increasing. During recent years,
Someehneshin, Javad +2 more
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Research and application of intelligent caving technology in fully mechanized working face
Gong-kuang zidonghua, 2021 The traditional top coal caving control mainly relies on manual coal caving control, which uses single-round of sequential coal caving. The working face equipped with electro-hydraulic control system mainly adopts the two-round sequential coal caving ...
WU Tong, YU Rui, LIU Qing, WEI Wenyan
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PLoS ONE, 2023 The re-mined face using top coal caving system is the most applicable method for recovering the remaining reserves of a previous partially-mined thick coal seam.
Shuai Wang +3 more
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Application of BigML in the Classification Evaluation of Top Coal Caving
Shock and Vibration, 2021 Longwall top coal caving mining is one of the main methods of mining thick coal seams in China. Therefore, carrying out the classification evaluation of top coal caving is of great significance to ensure mining success and reduce the risk of mining ...
Meng Wang +6 more
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Research of Caving Methods Based on Discrete Element
Gong-kuang zidonghua, 2010 The paper introduced three kinds of different methods of caving methods,namely single-interval caving,single-order caving and multi-interval caving.It used discrete element PFC3D software to simulate the three kinds of caving methods, obtained the ...
WANG Ye +3 more
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Damage mapping and monitoring in sublevel caving crosscuts at the Malmberget mine
, 2022 The LKAB’s Malmberget mine in Sweden is one of the largest sublevel caving mines in the world, with an annual production rate averaging 18 million tons.
Jones, TH, Saiang, David
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Shock and Vibration, 2023 The broken top coal and gangue in the fully mechanized cave mining will be released from the rear of the hydraulic support in the form of bulk. In this process, the medium properties through the coal opening can be judged by monitoring the vibration ...
Lirong Wan +5 more
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Energy Exploration & Exploitation, 2022 In view of solving the problems of large top coal loss and low recovery rate in the traditional caving process of horizontal section fully mechanized caving mining, taking the fully mechanized caving face of steeply inclined and extra-thick coal seam in ...
Fengfeng Wu +7 more
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