CUED Publications database

Predicting the seismic behaviour of the foundations of the Messina Strait Bridge

Rampello, S and Callisto, L and Viggiani, G (2014) Predicting the seismic behaviour of the foundations of the Messina Strait Bridge. Bulletin of Earthquake Engineering, 12. pp. 1201-1219. ISSN 1570-761X

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This paper presents some of the geotechnical studies carried out for the seismic design of the one-span suspension bridge across the Messina Strait, that is to connect Sicily with mainland Italy. These studies included advanced geotechnical characterisation, through in situ and laboratory tests, estimate of site stability involving both liquefaction analysis and submerged slope stability, evaluation of soil-foundation stiffness for spectral analysis of the superstructure, 3D FE static calculations, evaluation of anchor block performance under seismic conditions, and full dynamic analyses of the soil-structure interaction. The paper summarises the main results obtained from the geotechnical characterisation of the foundation soils, reports the approach adopted for evaluating the seismic performance of the anchor blocks through a modified Newmark-type calculation, and presents the study of the soil-structure interaction carried out through a series of two-dimensional, plane strain numerical analyses. In these analyses, in addition to the embedded foundation elements, the models included a simplified structural description of the bridge towers specifically designed to reproduce their first vibrations modes, that were deemed to have the most significant influence on the system's dynamic response. The illustration is limited to the foundation systems of the bridge located on the Sicily shore. © 2013 Springer Science+Business Media Dordrecht.

Item Type: Article
Divisions: Div D > Geotechnical and Environmental
Depositing User: Cron Job
Date Deposited: 02 Oct 2017 20:25
Last Modified: 22 Oct 2020 05:19
DOI: 10.1007/s10518-013-9536-2