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Civil-Comp Conferences
ISSN 2753-3239
ISSN 2753-3239
CCC: 1
PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE
PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE
Edited by: J. Pombo
Paper 26.1
A study on prediction of track buckling using measured lateral alignment
K. Abe, K. Nakata and K. Koro
Program of Civil Engineering, Niigata University, Niigata, Japan
Full Bibliographic Reference for this paper
K. Abe, K. Nakata, K. Koro, "A study on prediction of track buckling using measured lateral alignment", in J. Pombo, (Editor), "Proceedings of the Fifth International Conference on Railway Technology: Research, Development and Maintenance",
Civil-Comp Press, Edinburgh, UK,
Online volume: CCC 1, Paper 26.1, 2022, doi:10.4203/ccc.1.26.1
Keywords: lateral alignment, 10m-chord versine, buckling behaviour, numerical analysis.
Abstract
Prediction of track buckling based on the estimated lateral alignment is attempted for a numerical track model. To achieve this, the lateral alignment is estimated from 10m- or 5m-chord versine data. The buckling temperature and its location obtained from a buckling analysis with the estimated alignment are then compared with the correct values. Through numerical experiments, applicability of the 10m- and 5m-chord versine data is investigated. Moreover, the present buckling prediction is also applied to track irregularity after the realignment which is made in accordance with a 10m-chord versine criterion.
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