Influence of soil-structure interaction on the dynamic characteristics of railroad frame bridges

被引：0
|
作者：
Heiland T. [1 ]
Stark A. [1 ]
Aji H.D.B. [2 ]
Wuttke F. [2 ]
机构：
[1] Institut für Massivbau und Betonbautechnologie, Abteilung Massivbau, Karlsruher Institut für Technologie (KIT)
[2] Lehrstuhl Geomechanik und Geotechnik, Christian-Albrechts-Universität zu Kiel
来源：
VDI Berichte | 2022年 / 2022卷 / 2379期
关键词：
19;
D O I：
10.51202/9783181023792-597
中图分类号：
学科分类号：
摘要：
Railroad frame bridges experience intensive dynamic stresses. Due to the massive component dimensions and the strong degrees of restraint, the dynamic system is often not clearly identi-fiable. In this paper, the governing factors of soil-structure interaction on the dynamic behavior of the bedded frame are identified. The vertical abutment frequency is shown to be the governing parameter for the vibrating system. In the investigations, different modeling approaches are compared. It was shown that under certain conditions, the variant of a spatial mono-fre-quency dependent substructure model provides similarly accurate results as determined by a computationally intensive hybrid FEM-BEM approach. © 2022, VDI Verlag GMBH. All rights reserved.
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页码：597 / 610
页数：13
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