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

Open Journal of Civil Engineering 2013年第2期3卷 86-93页

作者： Luigi Petti Fabrizio Polichetti alessio lodato Bruno Palazzo Department of Civil Engineering University of Salerno Salerno Italy

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.

关键词： Base Isolated Structures Friction Pendulum Slide Bearings Spatial Seismic Demand

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Risk Analysis of Historic Urban Areas： A Case Study of the Salerno City, Italy

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Journal of Civil Engineering and Architecture 2015年第9期9卷 1099-1106页

作者： Federica Ribera Luigi Petti Gennaro Miccio Alessandra Landi alessio lodato Department of Civil Engineering University of Salerno Fisciano 84084 Italy Ministry of Cultural Heritage and Activities and Tourism Roma 00186 Italy

The preservation of historical and cultural heritage from seismic risk is a question of interest in Italy. However, too little has been done to deal with this problem. First of all, the seismic safety of cultural heritage should be a topic of prevention. The research described in the paper presents a multi-approach procedure to address risk assessment of large-scale urban systems with the aim to contribute at the development of risk mitigation policies for historical centers buildings. The observation of the earthquakes effects in Italy clearly highlights the role of the high vulnerability of the existing building on the consequences in terms of casualties and damage, rather than the severity of seismic events, especially in historical contexts. Unlike the new buildings which should be planned and designed to respect seismic safety requirements, existing buildings require a careful safety assessment on the basis of their susceptibility to damage which depends on building techniques, past damage events, maintenance, changes, etc.

关键词：历史城市风险分析意大利历史文化遗产保护现有建筑物地震危险性地震事件地震安全性

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