Modelling and Analysis of Base Isolated Structures with Friction Pendulum System Considering near Fault Events

Luigi Petti, Fabrizio Polichetti, Alessio Lodato, Bruno Palazzo

Department of Civil Engineering, University of Salerno, Salerno, Italy.

DOI: 10.4236/ojce.2013.32009                

Abstract

The seismic behavior of base isolated structures with friction pendulum slide bearings devices subjected to near fault events characterized by significant vertical ground motion components is investigated. In particular, in order to evaluate the effects of vertical components on seismic response, non-linear dynamic analysis, carried out by using several numerical models, have been performed by considering two near-fault seismic events, L’Aquila 2009 and Emilia Romagna 2012. The obtained results show that increasing vertical seismic motion base shear significantly increases while relative displacements increase very little.

Keywords

Base Isolated Structures; Friction Pendulum Slide Bearings; Spatial Seismic Demand

Conflicts of Interest

The authors declare no conflicts of interest.

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