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Dynamic Interactions of a Train Moving Over a Rail Suspension Bridge with Multiple Support Settlements
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SYSNO ASEP 0364231 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Dynamic Interactions of a Train Moving Over a Rail Suspension Bridge with Multiple Support Settlements Author(s) Yau, Y. D. (TW)
Frýba, Ladislav (UTAM-F) SAI, RID, ORCIDNumber of authors 2 Source Title Vibration Problems ICOVP 2011 - Supplement. - Liberec : Technical University of Liberec, 2011 / Segĺa Š. ; Tůma J. ; Petríková I. ; Pešek L. - ISBN 978-80-7372-759-8 Pages s. 235-240 Number of pages 6 s. Action International Conference on Vibrational Problems 2011 Event date 05.09.2011-08.09.2011 VEvent location Praha Country CZ - Czech Republic Event type WRD Language eng - English Country CZ - Czech Republic Keywords high speed train ; ground settlement ; suspension bridge ; vehicle/bridge interactions Subject RIV JM - Building Engineering CEZ AV0Z20710524 - UTAM-F (2005-2011) Annotation With the consideration of multiple support settlements, interaction responses of a train running over a rail suspension bridge will be investigated. The suspension bridge is modeled as a single-span suspended beam with hinged ends and the train as successive moving oscillators with identical properties. To conduct this dynamic problem with non-homogeneous boundary conditions, the total deflection response of the suspended beam is divided into two parts: the static component and the dynamic deflection. Then, the coupled equations of motion for the suspended beam carrying multiple moving oscillators are converted into a set of nonlinearly coupled generalized equations by Galerkin’s method, and solved using the Newmark method using incremental-iterative procedure. From the present numerical demonstrations, the differential movements of bridge supports will significantly affect the dynamic response of the running vehicles but insignificant influence on the bridge response. Workplace Institute of Theoretical and Applied Mechanics Contact Kulawiecová Kateřina, kulawiecova@itam.cas.cz, Tel.: 225 443 285 Year of Publishing 2012
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