1608 コンクリート桁の剛性が列車走行時の動的たわみに及ぼす影響の検討(SS7-2 安全と防災の解析-1,SS7 安全と防災,J-Rail 2006)

概要

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Because the change of dynamic response of the bridge is assumed due to an increase of train running speed, it is necessary to understand the dynamic response of the bridge under high-speed running. So, we carried out dynamic response analysis to understand dynamic behavior of the bridge under high speed running. The dynamic behavior analysis by two dimensional model by whom a dynamic interaction of the bridge and the train is considered is executed, and the result changes greatly depending on the value of the bending stiffness of the girder. It has been understood that an analytical value when the bending stiffness of the girder was from the section of the beam, the slab, and the roadbed concrete indicates a value close to the actual measurement value compared with the case when the bending stiffness from the section of the beam and the slab.
一般社団法人日本機械学会の論文
2006-12-13