Engineering Mechanics

International Conference

Proceedings Vol. 12 (2006)


May 15 – 18, 2006, Svratka, Czech Republic
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2006 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, Prague

ISBN 80-86246-27-2 (printed, Extended Abstracts)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Dynamics of a beam coupled with a prestressed string
L. Frýba, C. Fischer
pages 74 - +6p., full text

The beam with an axial force is coupled by an elastic layer of Winkler type with the pretensiled string. It is subjected to a row of moving forces. The theoretical model corresponds to a prestressed bridge. The concrete bridges of this type are the most spread types appearing on both the road and railway bridges of small and medium spans. The governing equations form a coupled set of partial differential equations that are solved using the Fourier and LaplaceCarson integral transformations. The closed form of the solution is – as yet – derived for the undamped case.

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Text and facts may be copied and used freely, but credit should be given to these Proceedings.

All papers were reviewed by members of the scientific committee.

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