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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 108
PROCEEDINGS OF THE FIFTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING
Edited by: J. Kruis, Y. Tsompanakis and B.H.V. Topping
Paper 156

The Effects of Foundation Rotational Excitation on a Cable Stayed Bridge subject to Seismic Loading

M. Domaneschi, L. Martinelli, F. Perotti and M. Tomasin

Department of Civil and Environmental Engineering, Politecnico di Milano, Italy

Full Bibliographic Reference for this paper
M. Domaneschi, L. Martinelli, F. Perotti, M. Tomasin, "The Effects of Foundation Rotational Excitation on a Cable Stayed Bridge subject to Seismic Loading", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 156, 2015. doi:10.4203/ccp.108.156
Keywords: earthquake, cable-stayed bridge, rotational components.

Summary
This paper is concerned with the evaluation of the effects of earthquake excited rotational components of foundation motion in structures having tall structural members. The case study, presented in the paper, is a cable-supported bridge, previously studied within a simpler representation of the seismic ground motion. The study has been developed at the numerical level using a bridge finite element model that is a refined version of a well-known model part of an international benchmark for structural control.

The effects of the rotational components of the earthquake ground motion could lead to an amplification of the bridge seismic response. Assessment of the extent is part of this research work.

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