Transverse variation of dynamic effects on beam-and-slab medium span bridges

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Title: Transverse variation of dynamic effects on beam-and-slab medium span bridges
Authors: Rattigan, Paraic
González, Arturo
O'Brien, Eugene J.
Brady, Sean P.
Permanent link: http://hdl.handle.net/10197/9188
Date: Sep-2005
Abstract: The common approach used to quantify bridge critical load cases is by definition conservative, as the effect of Dynamics is generalised. As a result a number of the site specific and load specific dynamic characteristics are neglected, and the transverse distribution of dynamic amplification across the bridge section also lacks consideration. In this paper, both issues are discussed using simulations of the passage of heavy traffic over an experimentally validated beam-and-slab bridge model. Stress variations across the bridge have been calculated for a number of scenarios involving different combinations of heavy trucks with varying velocities and directions. Results show a significant difference in transverse distribution of load effects and how certain longitudinal beams are more prone to dynamic excitation.
Funding Details: Irish Research Council for Science, Engineering and Technology
Type of material: Conference Publication
Publisher: Millpress
Copyright (published version): 2005 Millhouse
Keywords: Single vehicle events;Finite element modelling;Critical loading events
Language: en
Status of Item: Peer reviewed
Is part of: Soize, C., Schuëller, G.I. (eds.). EURODYN 2005 : Proceedings of the 6th International Conference on Structural Dynamics, Paris, France, 4-7 September 2005
Conference Details: EURODYN '05, Paris, France, September 4-7, 2005
Appears in Collections:Civil Engineering Research Collection

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