Vehicle-bridge interaction dynamics : with applications to by Yeong-Bin Yang; Zhongda Yao; Y S Wu

By Yeong-Bin Yang; Zhongda Yao; Y S Wu

The industrial operation of the bullet teach in 1964 in Japan markedthe starting of a brand new period for high-speed railways. as a result of thehuge volume of kinetic strength carried at excessive speeds, a educate mayinteract considerably with the bridge or even resonate with it undercertain situations. both vital is the driving convenience of thetrain autos, which relates heavily to the maneuverability of the trainduring its Read more...

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By Yeong-Bin Yang; Zhongda Yao; Y S Wu

The industrial operation of the bullet teach in 1964 in Japan markedthe starting of a brand new period for high-speed railways. as a result of thehuge volume of kinetic strength carried at excessive speeds, a educate mayinteract considerably with the bridge or even resonate with it undercertain situations. both vital is the driving convenience of thetrain autos, which relates heavily to the maneuverability of the trainduring its Read more...

Show description

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Additional info for Vehicle-bridge interaction dynamics : with applications to high-speed railways

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Using such techniques, a multiple-axle truck or tractor-trailer can be represented as a number of discrete masses each supported by a set of spring and dashpot or frictional device. In the study by Yang et al. (1999), a railroad car was simulated as a rigid beam supported by two sets of spring-dashpot unit each resting on a wheel mass. Such a model enables us to consider the pitching effect of the car body. To represent the various dynamic properties of railway freight cars, vehicle models that contain dozens of degrees of freedom (DOFs) have been devised and used by Chu et al.

Researchers of this period who were frequently cited in the literature include Timoshenko (1922), Jeffcott (1929) and Lowan (1935). The work by Inglis (1934) contains an early general treatment on the dynamics of railway bridges, which also lays the foundation for the following development. The advent of digital computers, later followed by workstations, has enabled researchers to adopt more realistic bridge and vehicle models in analysis. The general texts by Timoshenko and Young (1955) and Biggs (1964) on structural dynamics contain some partial treatment on the moving load problems.

54) load magnitude, p = −(Mv + mw )g, Chapter 6 nodal loads of bridge element load vector as defined in Eq. 15) unit axial interaction forces between rail and bridge elements equivalent loads as defined in Eq. 24) load vector of sprung mass model, {pv }T = p, 0 loads induced by wheels particular solutions for in-plane vibrations of curved beam homogeneous solutions for in-plane vibrations of curved beam particular solutions for out-of-plane vibrations of curved beam homogeneous solutions for out-of-plane vibrations of curved beam equivalent contact forces of structure response functions as defined in Eq.

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