3401 軌道剛性が列車により発生する地盤振動に及ぼす影響

概要

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The research aims to make clear the effect of track rigidity to the ground vibration through elevated structure under a running train by theoretical studies. The study notices the response of elevated structure as the input of ground vibration. To analyze it, the effect of axial load series of train and the distribution of load by the rigidity of track of support is noticed. As the models, the rail with just rigidity without mass supported on spring and structural damping and the rigid beam of deck slab in elevated structure with mass supported on the spring are used. As results, followings are given. (1) The effect of axial load is controlled largely with the distance of axles under the bogie. (2) The frequency component of vibrational force is controlled by the rail system as a step. (3) The forces acting ground is largely controlled by the rigidity of elevated structure, but not so by mass of it.
一般社団法人日本機械学会の論文
2003-12-08