Results 11 to 20 of about 16,095 (267)
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
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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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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
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Scientific Reports, 2023 In this study, a series of true triaxial loading tests were carried out on coal-measure sandstone after high temperature treatment by using a self-developed true triaxial test system combined with acoustic emission (AE) monitoring, and the mass loss ...
Shuai Wang +5 more
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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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Productive flows control in coal mines under the condition of diversification of production
E3S Web of Conferences, 2018 The objective of the work consists in methodical bases of concept development for control by productive flows in coal mines with the use of cost-effective mechanisms.
Mamaikin Oleksandr +3 more
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Grain-size composition predicting models after explosion in open-pit mining
Journal of Degraded and Mining Lands Management, 2019 One of the main technological tasks facing mining engineers today is a reduction of the oversized fraction output. Currently, the efforts of scientists are aimed atdeveloping reliable grain-size composition predicting models for the extracting rock mass,
A K Kirsanov +4 more
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Maintenance of reusable mine workings during the augering mining of coal seams
E3S Web of Conferences, 2018 The augering mining of thin and very thin coal seams has been proposed for using the efficiency of this task, related to the stability of reusable mine workings.
Bondarenko Volodymyr +3 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
doaj +1 more source