Engineering Mechanics

International Conference

Proceedings Vol. 18 (2012)


ENGINEERING MECHANICS 2012

18th INTERNATIONAL CONFERENCE
May 14 – 17, 2012, Svratka, Czech Republic
;
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2012 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 978-80-86246-39-0 (printed, Extended Abstracts)
ISBN 978-80-86246-40-6 (electronic)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Eigenvibration of road bridges: measurement and numerical analysis
J. Kruis, M. Polák,T. Koudelka{}, T. Plachý
pages 775 - 788, full text

Experimental and numerical analysis of existing highway concrete prestressed bridges were done. In order to obtain good agreement between the numerical and experimental analysis, threedimensional finite element models of the bridges were used. The eigenfrequencies and eigenmodes were obtained by the subspace iteration method with Gram-Schmidt orthonormalization in the reduced problem. The eigenfrequencies and eigenmodes obtained from the numerical analysis and from experiment were compared and very good agreement was attained.


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