Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
On the influence of shallow soil strata on the dynamic soil–structure interaction of simply supported high-speed railway bridges
The influence of dynamic soil–structure interaction (SSI) on simply supported railway bridges is investigated. Impedance functions are calculated considering shallow foundations in soil strata limited by bedrock. The impedance functions are coupled to bridge models, and the assembled soil–bridge systems are investigated addressing the modal properties. A parametric study is performed on a large set of soil–bridge systems. Finally, the response to train loading is analysed. The study shows that the effects of SSI are essentially different depending on whether radiation damping is active or not. Shorter bridges are often affected by radiation damping and the response due to train loading may be significantly reduced when SSI is considered. However, for longer bridges (>15 m) the effect of SSI is often small. Due to the stiffness reduction of the impedance, some bridges may even have a detrimental effect from SSI and a reduction of the traffic speed is obtained.
On the influence of shallow soil strata on the dynamic soil–structure interaction of simply supported high-speed railway bridges
The influence of dynamic soil–structure interaction (SSI) on simply supported railway bridges is investigated. Impedance functions are calculated considering shallow foundations in soil strata limited by bedrock. The impedance functions are coupled to bridge models, and the assembled soil–bridge systems are investigated addressing the modal properties. A parametric study is performed on a large set of soil–bridge systems. Finally, the response to train loading is analysed. The study shows that the effects of SSI are essentially different depending on whether radiation damping is active or not. Shorter bridges are often affected by radiation damping and the response due to train loading may be significantly reduced when SSI is considered. However, for longer bridges (>15 m) the effect of SSI is often small. Due to the stiffness reduction of the impedance, some bridges may even have a detrimental effect from SSI and a reduction of the traffic speed is obtained.
On the influence of shallow soil strata on the dynamic soil–structure interaction of simply supported high-speed railway bridges
Lind Östlund, J. (Autor:in) / Andersson, A. (Autor:in) / Ülker-Kaustell, M. (Autor:in) / Battini, J.-M. (Autor:in)
International Journal of Rail Transportation ; 9 ; 405-423
03.09.2021
19 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
| British Library Online Contents | 2019
Simply supported prestressed concrete deck for high speed railway bridges
| British Library Conference Proceedings | 2003
Soil-Structure Interaction for foundations on High-Speed Railway Bridges
| BASE | 2017
Soil–structure interaction in resonant railway bridges
| Online Contents | 2013
Response of Periodic Railway Bridges Accounting for Dynamic Soil-Structure Interaction
| British Library Conference Proceedings | 2021