Vehicle-bridge dynamic interaction using finite element modelling

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Show simple item record González, Arturo 2010-10-22T13:37:05Z 2010-10-22T13:37:05Z 2010
dc.identifier.isbn 978-953-307-123-7
dc.description.abstract First investigations on the dynamic response of bridges due to moving loads were motivated by the collapse of the Chester railway bridge in the UK in the middle of the 19th century. This failure made evident the need to gain some insight on how bridges and vehicles interact, and derived into the first models of moving loads by Willis (1849) and Stokes (1849). These models consisted of a concentrated moving mass where the inertial forces of the underlying structure were ignored. The latter were introduced for simple problems of moving loads on beams in the first half of the 20th century (Jeffcott, 1929; Inglis, 1934; Timoshenko & Young, 1955). Although Vehicle-Bridge Interaction (VBI) problems were initially addressed by railway engineers, they rapidly attracted interest in highway engineering with the development of the road network and the need to accommodate an increasing demand for heavier and faster vehicle loads on bridges. In the 1920’s, field tests carried out by an ASCE committee (1931) laid the basis for recommendations on dynamic allowance for traffic loading in bridge codes, and further testing continued in the 50’s as part of the Ontario test programme (Wright & Green, 1963). However, site measurements are insufficient to cover all possible variations of those parameters affecting the bridge response, and VBI modelling offers a mean to extend the analysis to a wide range of scenarios (namely, the effect of road roughness or expansion joints, the effect of vehicle characteristics such as suspension, tyres, speed, axle spacing, weights, braking, or the effect of bridge structural form, dimensions and dynamic properties). A significant step forward took place in the 50’s and 60’s with the advent of computer technology. It is of particular relevance the work by Frýba (1972), who provides an extensive literature review on VBI and solutions to differential equations of motion of 1-D continuous beam bridge models when subjected to a constant or periodic force, mass and sprung vehicle models. At that time, VBI methods were focused on planar beam and vehicle models made of a limited number of degrees of freedom (DOFs). From the decade of the 70’s, the increase in computer power has facilitated the use of numerical methods based on the Finite Element Method (FEM) and more realistic spatial models with a large number of DOFs. This chapter reports on the most widely used finite element techniques for modelling road vehicles and bridges, and for implementing the interaction between both. en
dc.description.sponsorship Not applicable en
dc.format.extent 1134678 bytes
dc.format.mimetype application/pdf
dc.language.iso en en
dc.publisher Sciyo en
dc.relation.ispartof Lipovic, I. (ed.). Finite element analysis en
dc.relation.requires Architecture, Landscape & Civil Engineering Research Collection en
dc.relation.requires Critical Infrastructure Group Research Collection en
dc.subject Vehicle en
dc.subject Bridge en
dc.subject Dynamic en
dc.subject FEM en
dc.subject.lcsh Bridges--Live loads--Mathematical models en
dc.subject.lcsh Structural dynamics en
dc.subject.lcsh Finite element method en
dc.title Vehicle-bridge dynamic interaction using finite element modelling en
dc.type Book Chapter en
dc.internal.availability Full text available en
dc.status Peer reviewed en
dc.neeo.contributor González|Arturo|aut|
dc.description.admin ti ke SB. 14/10/2010 en
dc.internal.rmsid 146654878

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