Substantiation of determination of strength performance of coarse-grained media by the oblique shear method

The constantly increasing loads of vehicles predetermine the search for ways to improve both design methods, technological processes and the search for ways to improve the quality of road construction materials. The increasing volumes of open-pit coal mining require finding ways to improve the haul...

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Autores principales: Shabaev Sergey, Ivanov Sergey
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FR
Publicado: EDP Sciences 2021
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Acceso en línea:https://doaj.org/article/94a56f16f4f147bca7c61116e88cf448
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spelling oai:doaj.org-article:94a56f16f4f147bca7c61116e88cf4482021-11-08T15:19:21ZSubstantiation of determination of strength performance of coarse-grained media by the oblique shear method2267-124210.1051/e3sconf/202131501005https://doaj.org/article/94a56f16f4f147bca7c61116e88cf4482021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/91/e3sconf_iims2021_01005.pdfhttps://doaj.org/toc/2267-1242The constantly increasing loads of vehicles predetermine the search for ways to improve both design methods, technological processes and the search for ways to improve the quality of road construction materials. The increasing volumes of open-pit coal mining require finding ways to improve the haul roads of open-pit coal mines. Thus, a qualitatively new approach is needed to determine the strength performance of coarse-grained media. In this work, it is proposed to determine the strength performance of granular media by the oblique shear method, since today there is no design method to determine the strength performance of coarse-grained media. The proposed design of the advanced oblique shear apparatus makes it possible to determine the strength performance of pre-compacted coarse-grained media with a particle size of up to 20-30 mm. To avoid the effect of keyways and chaotic results, the optimum clearance between the upper and the lower holders should be 0.3 times the maximum particle size.Shabaev SergeyIvanov SergeyEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 315, p 01005 (2021)
institution DOAJ
collection DOAJ
language EN
FR
topic Environmental sciences
GE1-350
spellingShingle Environmental sciences
GE1-350
Shabaev Sergey
Ivanov Sergey
Substantiation of determination of strength performance of coarse-grained media by the oblique shear method
description The constantly increasing loads of vehicles predetermine the search for ways to improve both design methods, technological processes and the search for ways to improve the quality of road construction materials. The increasing volumes of open-pit coal mining require finding ways to improve the haul roads of open-pit coal mines. Thus, a qualitatively new approach is needed to determine the strength performance of coarse-grained media. In this work, it is proposed to determine the strength performance of granular media by the oblique shear method, since today there is no design method to determine the strength performance of coarse-grained media. The proposed design of the advanced oblique shear apparatus makes it possible to determine the strength performance of pre-compacted coarse-grained media with a particle size of up to 20-30 mm. To avoid the effect of keyways and chaotic results, the optimum clearance between the upper and the lower holders should be 0.3 times the maximum particle size.
format article
author Shabaev Sergey
Ivanov Sergey
author_facet Shabaev Sergey
Ivanov Sergey
author_sort Shabaev Sergey
title Substantiation of determination of strength performance of coarse-grained media by the oblique shear method
title_short Substantiation of determination of strength performance of coarse-grained media by the oblique shear method
title_full Substantiation of determination of strength performance of coarse-grained media by the oblique shear method
title_fullStr Substantiation of determination of strength performance of coarse-grained media by the oblique shear method
title_full_unstemmed Substantiation of determination of strength performance of coarse-grained media by the oblique shear method
title_sort substantiation of determination of strength performance of coarse-grained media by the oblique shear method
publisher EDP Sciences
publishDate 2021
url https://doaj.org/article/94a56f16f4f147bca7c61116e88cf448
work_keys_str_mv AT shabaevsergey substantiationofdeterminationofstrengthperformanceofcoarsegrainedmediabytheobliqueshearmethod
AT ivanovsergey substantiationofdeterminationofstrengthperformanceofcoarsegrainedmediabytheobliqueshearmethod
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