Results 11 to 20 of about 5,496 (261)
On evaluation of complex-structured coal deposits based on their typical geometric features [PDF]
E3S Web of Conferences, 2021 Information about the geological structure of Kuznetsky coal basin (Kuzbass) allows us to note that coal deposits developed by open-cast method are characterized by complicated conditions and have the following features: large length of deposits at ...
Katsubin Alexander +2 more
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Technological Indicators of Direct Dumping Zone as a Part of Combined Mining Method [PDF]
E3S Web of Conferences, 2019 Under the conditions of a combined mining system overburden is developed using a transport and non-transport technologies, specific costs for non-transport technology are lower than transport costs. The change in the non-transport bench height led to the
Sysoev Andrey +3 more
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Features of the Excavation and Loading Equipment of Various Types in the Development of Inclined and Steep Beds [PDF]
E3S Web of Conferences, 2019 Open pit coal mining enterprises are constantly faced with the task of increasing the economic efficiency of mining, reducing coal losses and increasing profitability.
Kolesnikov Valery +3 more
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Technological schemes of coal extraction in closed mines with the use of backhoes [PDF]
E3S Web of Conferences, 2021 At the present time on the fields of operating and closed-down mines there are sections of open-pit operations. However, the adopted technology does not meet environmental requirements, there are no scientific recommendations on the technology of open ...
Makarov Vladimir +2 more
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Fault Analysis of Gearboxes in Open Pit Mine [PDF]
Applied Engineering Letters : Journal of Engineering and Applied Sciences, 2020 The paper presents the results of testing gearboxes in coal open pit mine which have been damaged by various mechanisms. Gearboxes, as constituents of belt conveyors, bucket-wheel excavators and bucket chain excavators and spreaders, are the most loaded segments of drive units the functionality of which affects the operation of complete coal and ...
Vasic M. +2 more
openaire +3 more sources
Geofluids, 2021 This study presents different land saving and loss reducing schemes. Comprehensively compare the economic benefits of the schemes. It is shown that the optimal scheme can recover tons of coal resources on the south slope, creating significant economic ...
Tongsuo Guo +9 more
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Journal of Rock Mechanics and Geotechnical Engineering, 2023 Recently, Garai et al. (2022) published a paper on the impact of orientation of blast initiation on ground vibrations. However, some of the claims are not supported by the results of the given tests. In Fig. 1 (see Fig.
Tadeusz Chrzan
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Efficient simulation for an open-pit mine
Simulation Modelling Practice and Theory, 2022 This paper presents an approach towards computationally efficient discrete-event-simulation designed to take advantage of high-performance computing architecture. We demonstrate how computational efficiency combined with large computing capacity enables quantification and mapping of stochastic system performance across a computationally challenging ...
Nicholas Dendle +2 more
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Technical Transactions, 2021 A method for determining the value of the damage to a single-family residential building located near an open-pit mine caused by ground vibrations is presented.
Chrzan Tadeusz
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Road longitudinal slope influence on the efficiency of excavator-automobile complexes usage [PDF]
E3S Web of Conferences, 2021 At present, the country's coal industry pays special attention to the open-pit mining, because of its higher efficiency and profitability. According to various surveys, currently the share of open-pit mining is 50 - 65%, and it will increase to 80 - 85 ...
Kudrevatykh Andrey +2 more
doaj +1 more source