Modelling A Temperature Regime Of A
Railway Track Structure And Its Comparison
With The Results Of Experimental Measurements
Author(s)
S. Hodas & L. Ižvolt
Abstract
Following the completed experimental monitoring of the temperature regime of
the construction of a subgrade structure on the experimental stand of the
Departments Railway Engineering and Track Management and measurement of
thermal conductivity coefficients λ of building materials used in construction of a
subgrade structure, there are constructed mathematical models, which are
designed to not only verify the temperatures obtained in individual structural
components of subgrade structure of experimental stand, but also the possibility
to use appropriate software to model temperature regime of other types of
constructions of subgrade structures. The paper presents mathematical models
for the typical winter periods, which have been recorded since the beginning of
the experimental measurements conducted from 2003 to the end of the winter
period of 2013 using the software SV-HEAT SVOFFICE SoilVision [1] and there
are also comparisons presented in achieving the position of zero isotherm in the
construction of a subgrade structure. At the end of this paper, some of
the knowledge obtained from the mathematical modelling of the temperature
regime of the construction of a subgrade structure and confrontations with the
temperature regime of a monitored, real railway track are underlined.
Keywords: railway, temperature regime, zero isotherm, modelling.
Keywords
railway, temperature regime, zero isotherm, modelling.
Related Book
Other papers in this volume
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