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Vulnerability Study of Urban and Rural Heritage Masonry in Slovenia Through The Assessment of Local and Global Seismic Response of Buildings

By Vlatko Bosiljkov, Meta Kržan and D. D'Ayala

Abstract

Uncertainties regarding the influence of modelling strategies for the evaluation of seismic vulnerability of\ud masonry buildings in Slovenia were studied on two case studies– damaged buildings from the rural area of NW\ud Slovenia hit by earthquakes in ’98 and ’04 and the urban buildings from the old city centre of Ljubljana. Two\ud strategies were applied – failure mechanisms analysis by means of FaMIVE methodology and non-linear\ud response analysis by means of storey and global response (SREMB and 3Muri). The accuracy in predicting\ud failure modes by FaMIVE was 50% considering the stock of investigated building in rural area. The most critical\ud failure mechanisms were due to out-of-plane loading. For urban architecture, in-plane failure due to weak\ud spandrels was the predominant one. The mechanism assessment yields more conservative results in respect to\ud non-linear approach and thus may be an efficient tool for the design of strengthening measures for heritage\ud buildings to prevent damage in lower intensity events with higher probability of occurrence

Year: 2012
OAI identifier: oai:drugg.fgg.uni-lj.si:4035

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