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Evaluation of ADAM/1 model for advanced coal extraction concepts [PDF]
, 1982 Several existing computer programs for estimating life cycle cost of mining systems were evaluated. A commercially available program, ADAM/1 was found to be satisfactory in relation to the needs of the advanced coal extraction project.
Deshpande, G. K., Gangal, M. D.
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A moving baseline for evaluation of advanced coal extraction systems [PDF]
, 1981 Results from the initial effort to establish baseline economic performance comparators for a program whose intent is to define, develop, and demonstrate advanced systems suitable for coal resource extraction beyond the year 2000 are reported.
Bickerton, C. R., Westerfield, M. D.
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Overall requirements for an advanced underground coal extraction system [PDF]
, 1980 Underground mining systems suitable for coal seams expoitable in the year 2000 are examined with particular relevance to the resources of Central Appalachia. Requirements for such systems may be summarized as follows: (1) production cost; (2)miner safety;
Goldsmith, M., Lavin, M. L.
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Journal of Rock Mechanics and Geotechnical Engineering, 2015 Generally, longwall mining-induced stress results from the stress relaxation due to destressed zone that occurs above the mined panel. Knowledge of induced stress is very important for accurate design of adjacent gateroads and intervening pillars which ...
Mohammad Rezaei +2 more
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An investigation of longwall failure using 3D numerical modelling – A case study at a copper mine
Studia Geotechnica et Mechanica, 2021 It is well-known that the longwall mining method (with roof caving) is widely used in underground mining extraction for bedded deposits (e.g. coal) due to its numerous advantages.
Nguyen Phu Minh Vuong +2 more
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Analysis of Longwall Salvage Operations in JSC SUEK-Kuzbass Underground Mines [PDF]
E3S Web of Conferences, 2019 The longwall coal mining method is the most productive mining method. However, the salvage operations which include the formation of the salvage chamber and the salvage of longwall face equipment require improvement.
Yermakova Inna, Fedusov Vyacheslav
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Записки Горного института, 2021 The reasons for the lag of the indicators of the leading Russian coal mines engaged in the longwall mining of the flat-lying coal seams from similar foreign mines are considered.
Аndrey A. Meshkov +2 more
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Geodetic and seismological observations applied for investigation of subsidence formation in the CSM Mine (Czech Republic) [PDF]
, 2018 Purpose. Undermined areas are affected by the creation of subsidence depressions due to long-term underground mining. In general, different geodetic methods are applied to obtain further information needed to determine the spatial development of the ...
Kajzar, V
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Fault tree analysis and prevention strategies for gas explosion in underground coal mines of Pakistan [PDF]
, 2019 Purpose. Gas explosion in the underground coal mines of Pakistan is the main source of coal miners’ mortalities. The purpose of this article is to analyze the main causes of gas explosion in the underground coal mines of Pakistan. Methods.
Ali, M +7 more
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An FDM-Based Dynamic Zoning Method for Disturbed Rock Masses above a Longwall Mining Panel
Applied Sciences, 2023 Underground longwall mining can seriously disturb the surrounding rock masses above the panel. A surface cracking zone, continuous deformation zone, fractured zone, and caved zone can be formed in the overlying strata (termed the “four zones”), which may
Kunyang Zhao, Suizi Jia
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