Automated track - structure interaction analysis Case Study Automated model building and analysis from user-de?ned spreadsheet data Fast assessment of track-structure interaction e?ects Evaluation of forces in rails from thermal and in-service train loading With a large percentage of track on modern high speed railways comprising continuously welded rails there is a requirement for accurate modelling of the interaction of the track with respect to any supporting bridge structures, and in particular, to calculate stresses and forces induced in the track by both thermal and train loading. A LUSAS product option, created initiallyfor the Korea Railroad Technical Corporation (KRTC), permits track- structure interaction analysis to the International Union of Railways Code UIC 774-3. It allows K

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