RESEARCH ARTICLE


Fuzzy Fragility Analysis of Structures with Masonry Infill Walls



Nikos D. Lagaros*, 1
Institute of Structural Analysis & Seismic Research, School of Civil Engineering, National Technical University Athens , Zografou Campus, Athens 157 80, Greece


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Creative Commons License
© D. Lagaros et al.; Licensee Bentham Open

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Correspondence: *Address correspondence to this author at the Institute of Structural Analysis & Seismic Research, School of Civil Engineering, National Technical University Athens, Greece; Tel: (+30) 210 7722625; E-mail: nlagaros@central.ntua.gr


Abstract

In this work fragility analysis of reinforced concrete and steel structures withinfill walls is performed.For this purpose a fuzzy-based fragility assessment framework for evaluating 3D framed structures is proposed taking into account various sources of uncertainty. In particular, randomness on the material properties and on the seismic demand is considered. The proposed framework requires the development of a fuzzy nonlinear static analysis model in order to define the limit states. The fragility curves are expressed in the form of a two-parameter lognormal distribution.

Keywords: Fuzzy response, fragility analysis, fibre modelling.