Results 11 to 20 of about 839,066 (264)
Research into balance of rocks and underground cavities formation in the coal mine flowsheet when mining thin seams [PDF]
, 2020 Purpose. Study the movement of waste rock flows in the coal mine technological system and determine the balance of rocks and underground cavities formation from the perspective of the current mining operations development in order to assess the ...
Dmytro Malashkevych +7 more
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METHODOLOGY FOR UNDERGROUND MINING METHOD SELECTION [PDF]
, 2021 The mining method selection for underground mining is one of the most important decisions when designing a mine. This selection depends on the mining-geological, mining-technical and economic factors.
Doneva, Nikolinka +5 more
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Energy Science & Engineering, 2021 Studies regarding the reuse of a gob‐side roadway formed by the N00 longwall mining method are scarce. To investigate the mine pressure behavior characteristics during roadway reuse, the anchor cable force, roof‐to‐floor deformation, and working ...
Xiaojie Yang +6 more
doaj +1 more source
E3S Web of Conferences, 2018 The purpose of this study is to determine the nature of influence of the rheological properties of the rocks on the results of computational experiments simulating the mine workings contour condition during the breakage face advance.
Fomychov Vadym +3 more
doaj +1 more source
Scientific Reports, 2022 An innovative ultrafast time-resolution method based on a picosecond pulsed laser was employed to investigate the mode-I crack propagation characteristics of fractured rock. Its time resolution is as fast as the degree of 45 picoseconds.
Mingyuan Zhang +6 more
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Mining Technologies Innovative Development
, 2022 The present book covers the main challenges, important for future prospects of subsoils extraction as a public effective and profitable business, as well as technologically advanced industry.
core +1 more source
Applied Sciences, 2021 Research on underground coal mines has primarily focused on the stability of roadways. Mining activities lead to significant damage to the surrounding rocks and also degrade the support to the roadways.
Xiaojie Yang +6 more
doaj +1 more source
A concept to use energy of air flows of technogenic area of mining enterprises
E3S Web of Conferences, 2018 Topical issues concerning the possibilities of effective energy generation on the basis of Ukrainian mining enterprises have been highlighted. Attention is drawn to one of the most challenging tendencies of nontraditional energy sources development in ...
Cabana Edgar +4 more
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The variable-mass seepage law of broken porous rock: an experimental study
Geomatics, Natural Hazards & Risk, 2020 Induced by tunnel excavation, the particles constantly shift in broken porous rock of faults until failure occurs, which provides channels for water inrush. Therefore, it is essential to investigate the particle migration of broken porous rock.
Yingchao Wang +4 more
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Challenges Related to the Transformation of Post-Mining Underground Workings into Underground Laboratories [PDF]
, 2023 Underground mines are a vital part of the European raw material industry. The subsurface mining process is related to the large-scale development of underground structures like tunnels, chambers, workings, etc.
Marcin Szumny +15 more
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