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Title: Comparative Analysis of the Parameters of the Strength of the Subgrade at the Transition to the Higher Axial Loading up to 25 t
Authors: Radkevych, Anatolii V.
Petrenko, Volodymyr D.
Tiutkin, Oleksii L.
Andrieiev, Volodymyr S.
Mukhina, Nataliya A.
Keywords: axial loading
comparative analysis
parameters of the strength
Issue Date: 2019
Publisher: IOP Publishing, Kharkiv
Citation: Comparative Analysis of the Parameters of the Strength of the Subgrade at the Transition to the Higher Axial Loading up to 25 t / Radkevych A. V. at al. IOP Conference Series: Materials Science and Engineering. (November 20-22, 2019). Kharkiv, 2019. Vol. 708. No 1. Р. 1–7. DOI: 10.1088/1757-899X/708/1/012024.
Abstract: EN: Abstract. A review of the scientific and technical literature on the re-alignment of the route during the transition to high axial load from the accepted today (23.5 t / axis) to the perspective (25 t / axis) shows that in the stage of preliminary researches imitation modeling of the earth web by the finite element method (ITU) as the most convenient, accurate and illustrative of the known numerical methods. In order to provide recommendations on the strength of the subgrade when moving to a higher axial load up to 25 t / axis, an analysis was conducted, the essence of which was to compare the stress-strain state of the subgrade at two loads per axis: 23.5 t / axis (existing ) and 25 (perspective). All the geometric and deformation characteristics of the formation are taken from data on a two-track section with a height of embankment of 3. The deformation characteristics are chosen so that the working material of the formation is in accordance with the average indices of deformation capacity of the railways used. The ITU train load calculus makes it possible to obtain all the factors of VAT in it, which is the main purpose of the study of the strength of the earth cloth, and allows to forecast their development in the future.
Description: A. Radkevych: ORCID 0000-0001-6325-85, V. Petrenko: ORCID 0000-0003-2201-3593, O. Tiutkin: ORCID 0000-0003-4921-4758, V. Andrieiev: ORCID 0000-0002-0862-2790
Other Identifiers: DOI: 10.1088/1757-899X/708/1/012024
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