A numerical model for the cyclic deterioration of railway tracks

A.S.J. Suiker, R. Borst, de

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114 Citations (Scopus)
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Abstract

An elasto-plastic material model is proposed that can be used to simulate the cyclic deterioration of railway tracks. The model describes the envelope of the irreversible, plastic material response generated during a cyclic loading process, thereby distinguishing the mechanisms of frictional sliding and volumetric compaction. The reversible response is represented by a pressure-dependent, hypo-elastic material law. After the numerical integration of the model is specified, the model is calibrated on laboratory experiments and employed in a finite-element case study of the long-term settlement behaviour of a railway track. The main features of the model are illustrated by comparing the computed response with the response obtained by in situ track measurements. .
Original languageEnglish
Pages (from-to)441-470
JournalInternational Journal for Numerical Methods in Engineering
Volume57
Issue number4
DOIs
Publication statusPublished - 2003

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