Railway Bridge-Track Interaction Under Elevated Temperatures

Olivia Mirza, Sakdirat Kaewunruen

Research output: Chapter in Book/Report/Conference proceedingConference contribution


This paper presents the adaptability to short-term climate variability and extreme events of existing infrastructures in Australia, especially railway track bridges. The main objective of this research was to analyse the interaction between the track and bridge under elevated temperatures. The scope of work was to evaluate the behaviour of the track and bridge interaction throughout temperature ranges experienced in summer periods whereas the expansion and contraction of materials are different in nature. This investigation was emphasised on the differential longitudinal behaviours of railway track and bridge structure. A nonlinear 3D finite element model of a railway bridge (ballast top) was developed using a commercial software program, ABAQUS. This study also highlights the differences in mechanical properties of steel rails, concrete, high density polyethylene and ballast aggregates through the life cycles.
Original languageEnglish
Title of host publicationProceeding of the Fifth International Conference on Advances in Experimental Structural Engineering
Publication statusPublished - 9 Nov 2013


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