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[1] SVHEAT, 2D/3D Geothermal Modelling, SVOFFICE 2009 – Geotechnical Modelling Suite, SoilVision Systems Ltd.: Saskatoon, Saskatchenwan, Canada, available at http://www.soilvision.com, 2018.
[2] TNŽ 73 6312, Design of Structural Layers of Subgrade Structures, GR ŽSR: Slovakia, 2005.
[3] Ižvolt, L., Railway Substructure – Stress, Diagnostics, Design, and Implementation of Body Construction Layers of Railway Subgrade, Scientific Monograph, University of Žilina: Žilina, 324 p., 2008 (in Slovak).
[4] Dobeš, P., Optimization the design of subgrade structure to the non-traffic load, Dissertation thesis, Faculty of Civil Engineering, University of Žilina, 136 p., 2015
[5] Pieš, J., Experimental analysis of the impact of not-transport load on the constructional thickness of protective layer of the subgrade, Diploma thesis, Faculty of Civil Engineering, University of Žilina, 89 p., 2017.
[6] Ižvolt, L., Dobeš, P. & Pieš, J., Contribution to the modification of input data of subgrade structure dimensioning for non-traffic load according to the ŽSR methodology. Proceeding COMPRAIL, Lisbon, 1–3 July, 2018.
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Open Access
Research article

Impact of the Method of Rail Track Routing on the Thermal Regime of Subgrade Structure – Numerical Modeling of Non-Traffic Load

Libor Ižvolt,
Peter Dobeš,
Stanislav Hodás
Department of Railway Engineering and Track Management, Faculty of Civil Engineering, University of Žilina, Slovakia
International Journal of Transport Development and Integration
|
Volume 2, Issue 3, 2018
|
Pages 250-257
Received: N/A,
Revised: N/A,
Accepted: N/A,
Available online: 09-29-2018
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Abstract:

The article uses numerical modelling to verify the impact of non-traffic load (water and frost) on sub- grade structure freezing of railway tracks with different routing (embankment and cut). The introduction characterizes two actual railway track models in the campus of the University of Žilina, named experimental stand DRETM – Department of Railway Engineering and Track Management (two measuring profiles were considered here: second measuring profile – embankment, third measuring profile – cut). The second part of the article brings the results of numerical modelling of non-traffic load impact on subgrade structure freezing in two respective profiles. Here, the course of the winter period 2016/2017 for Žilina and the climatic conditions of the winter period 2004/2005 measured for Poprad were applied (the values of the air frost index achieved in Poprad were approximately identical to or higher than the values in Žilina). The conclusion includes a comparison of the individual methods of rail track routing, a summary of achieved results of numerical modelling of subgrade structure freezing and sufficiency assessment of subgrade surface protection from the adverse effects of frost.

Keywords: Railway track, Subgrade structure, Subgrade structure freezing, Protective layer, Numerical modelling
References
[1] SVHEAT, 2D/3D Geothermal Modelling, SVOFFICE 2009 – Geotechnical Modelling Suite, SoilVision Systems Ltd.: Saskatoon, Saskatchenwan, Canada, available at http://www.soilvision.com, 2018.
[2] TNŽ 73 6312, Design of Structural Layers of Subgrade Structures, GR ŽSR: Slovakia, 2005.
[3] Ižvolt, L., Railway Substructure – Stress, Diagnostics, Design, and Implementation of Body Construction Layers of Railway Subgrade, Scientific Monograph, University of Žilina: Žilina, 324 p., 2008 (in Slovak).
[4] Dobeš, P., Optimization the design of subgrade structure to the non-traffic load, Dissertation thesis, Faculty of Civil Engineering, University of Žilina, 136 p., 2015
[5] Pieš, J., Experimental analysis of the impact of not-transport load on the constructional thickness of protective layer of the subgrade, Diploma thesis, Faculty of Civil Engineering, University of Žilina, 89 p., 2017.
[6] Ižvolt, L., Dobeš, P. & Pieš, J., Contribution to the modification of input data of subgrade structure dimensioning for non-traffic load according to the ŽSR methodology. Proceeding COMPRAIL, Lisbon, 1–3 July, 2018.
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Ižvolt, L., Dobeš, P., & Hodás, S. (2018). Impact of the Method of Rail Track Routing on the Thermal Regime of Subgrade Structure – Numerical Modeling of Non-Traffic Load. Int. J. Transp. Dev. Integr., 2(3), 250-257. https://doi.org/10.2495/TDI-V2-N3-250-257
L. Ižvolt, P. Dobeš, and S. Hodás, "Impact of the Method of Rail Track Routing on the Thermal Regime of Subgrade Structure – Numerical Modeling of Non-Traffic Load," Int. J. Transp. Dev. Integr., vol. 2, no. 3, pp. 250-257, 2018. https://doi.org/10.2495/TDI-V2-N3-250-257
@research-article{Ižvolt2018ImpactOT,
title={Impact of the Method of Rail Track Routing on the Thermal Regime of Subgrade Structure – Numerical Modeling of Non-Traffic Load},
author={Libor IžVolt and Peter Dobeš and Stanislav HodáS},
journal={International Journal of Transport Development and Integration},
year={2018},
page={250-257},
doi={https://doi.org/10.2495/TDI-V2-N3-250-257}
}
Libor IžVolt, et al. "Impact of the Method of Rail Track Routing on the Thermal Regime of Subgrade Structure – Numerical Modeling of Non-Traffic Load." International Journal of Transport Development and Integration, v 2, pp 250-257. doi: https://doi.org/10.2495/TDI-V2-N3-250-257
Libor IžVolt, Peter Dobeš and Stanislav HodáS. "Impact of the Method of Rail Track Routing on the Thermal Regime of Subgrade Structure – Numerical Modeling of Non-Traffic Load." International Journal of Transport Development and Integration, 2, (2018): 250-257. doi: https://doi.org/10.2495/TDI-V2-N3-250-257
IZVOLT L， DOBES P， HODAS S. Impact of the Method of Rail Track Routing on the Thermal Regime of Subgrade Structure – Numerical Modeling of Non-Traffic Load[J]. International Journal of Transport Development and Integration， 2018， 2(3)： 250-257. https://doi.org/10.2495/TDI-V2-N3-250-257