An equivalent additional damping approach to assess vehicle-bridge interaction for train-induced vibration of short-span railway bridges.
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Other documents of the author: Yau, J. D.; Martínez-Rodrigo, María D.; Doménech Monforte, Alejandro
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comunitat-uji-handle2:10234/7035
comunitat-uji-handle3:10234/8617
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INVESTIGACIONMetadata
Title
An equivalent additional damping approach to assess vehicle-bridge interaction for train-induced vibration of short-span railway bridges.Date
2019-06-01Publisher
ElsevierBibliographic citation
YAU, M. D., MARTÍNEZ RODRIGO, María Dolores; DOMÉNECH MONFORTE, Alejandro (2019). An equivalent additional damping approach to assess vehicle-bridge interaction for train-induced vibration of short-span railway bridges. Engineering Structures, v. 188, p. 469-479Type
info:eu-repo/semantics/articlePublisher version
https://www.sciencedirect.com/science/article/pii/S014102961833195XVersion
info:eu-repo/semantics/publishedVersionSubject
Abstract
Constant moving load models are widely adopted in the dynamic analysis of railway bridges under moving trains. However, the use of this simple model may overestimate the resonant response of simply supported bridges ... [+]
Constant moving load models are widely adopted in the dynamic analysis of railway bridges under moving trains. However, the use of this simple model may overestimate the resonant response of simply supported bridges if the vehicle-bridge interaction (VBI) effects are neglected, particularly for short spans. To account for the VBI effects, Eurocode 1 allows engineers to consider an additional amount of structural damping which depends on the bridge span. This method is the so-called Additional Damping Method (ADM), and was formulated in order to provide a conservative prediction of the interaction benefit. Nevertheless, the Additional damping method may sometimes yield to an unsafe prediction of the bridge peak response. Considering the interaction benefits, an alternative analytical approach based on an equivalent VBI model under resonant excitations is presented in this investigation. The key parameters dominating the additional damping problem are subsequently identified. According to the numerical demonstrations supplied, the presented approach provides insights that enable an accurate prediction of the additional amount of damping needed in order to account for VBI effects on short simply-supported railway bridges. [-]
Is part of
Engineering Structures (2019), v. 188Investigation project
1) Preliminary investigation of Taiwan via the grant numbers (MOST 106-2221-E-032-022, 107-2221-E-032-002-MY2), and 2) The Taiwan-Czech joint project via thegrant numbers (MOST 106-2923-E-032-007-MY3, GA CR 17-26353J) inconducting the research presented herein is gratefully acknowledged. 3) The authors also acknowledge the support provided by the Spanish Ministry of Economy and Competitiveness under the research project [BIA2016-75042-C2].Rights
http://rightsstatements.org/vocab/CNE/1.0/
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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