Zobrazeno 1 - 10
of 1 792
pro vyhledávání: '"open-pit mine"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract In the production and construction process of a slowly inclined composite coal seam surface mine in China, the problem of coal compression by the non-working slope is common, but the research on coal recovery is usually conducted for the end
Externí odkaz:
https://doaj.org/article/7f94dd4dd7cf4110a4ed87058c53d961
Autor:
Jing Zhang, Guangwei Liu
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-24 (2024)
Abstract To address the issues of large anomalous triangulations, invalid interpolations, and uneven boundary interpolations in kriging interpolation, we propose research on a coal seam modeling construction method based on improved kriging interpola
Externí odkaz:
https://doaj.org/article/d0ccb187c74249a1a39e12c9f9641792
Autor:
Stefan Nachev, Ivan Vasilev
Publikováno v:
Sustainable Extraction and Processing of Raw Materials Journal, Vol 5, Iss 5, Pp 50-55 (2024)
ABSTRACT. The paper presents a geotechnical investigation of the structural integrity of the Ellatzite open-pit mine and considers the achieved bench face angle, while looking at the final geometry shaping of the bench face. The study shows that the
Externí odkaz:
https://doaj.org/article/a2fedfaa17264b4895683a5d0888f133
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-24 (2024)
Abstract To solve the problem of controlling mining in the open-pit mine end slope fire-burned area, applying multivariate function fitting to the roof and floor modeling of multi-coal seam open pit mines, introducing the factor of coal quality chang
Externí odkaz:
https://doaj.org/article/dc5989597b1641f8b0e7a6d219ca77aa
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 8, Pp 182-191 (2024)
To address the requirements for left-side driving and the issue of smoothing efficiency for long-distance transportation routes of mining dump trucks in open-pit mine environments, a path planning method that combines a left-side driving hybrid A* al
Externí odkaz:
https://doaj.org/article/223e25328f9d488c80aa4a25b3249b8b
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract Rock and soil strength profoundly influences the stability of open-pit mine slopes. Traditional slope design, based on limited drilling data, often disregards inherent uncertainties. Effectively utilizing new sample information from mining o
Externí odkaz:
https://doaj.org/article/b91c480d7ab4485284b987b1533772ea
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 8, Pp 3047-3062 (2024)
In open pit mining, uncontrolled block instabilities have serious social, economic and regulatory consequences, such as casualties, disruption of operation and increased regulation difficulties. For this reason, bench face angle, as one of the contro
Externí odkaz:
https://doaj.org/article/045f83ad8c4b421b8740f6215802f916
Publikováno v:
Frontiers in Environmental Science, Vol 12 (2024)
The prediction of dust concentration in open-pit mine is a critical foundation for minimising dust pollution. In order to improve the prediction accuracy of dust concentration in an open-pit mine, the combined prediction algorithm model of GA-LSSVM a
Externí odkaz:
https://doaj.org/article/28230ac2624a4602b2b312daf07ff321
Publikováno v:
Heliyon, Vol 10, Iss 17, Pp e37184- (2024)
The legacy of industry reflects a city's journey and marks its cultural essence, highlighting the significance of preserving and promoting such historical assets. There is a noticeable gap in the discourse surrounding the intrinsic value of industria
Externí odkaz:
https://doaj.org/article/4701792d309342049e874d611e626f6b
Publikováno v:
Heliyon, Vol 10, Iss 17, Pp e37005- (2024)
So as to extend the application of upper bound limit analysis for slope stability in open-pit mine, this paper analyzed failure mechanism of rock mass when shear failure occurred based on plastic mechanics principles, and combined with discrete mathe
Externí odkaz:
https://doaj.org/article/82ee89d70e17486e92c0c4abaf3deaf2