Urban-scale seismic fragility assessment of RC buildings subjected to L'Aquila earthquake
作者： Carlo Del Gaudio , Paolo Ricci , Gerardo M. Verderame , Gaetano Manfredi
DOI: 10.1016/J.SOILDYN.2017.02.003
关键词: Structural engineering 、 Fragility 、 L aquila 、 Urban scale 、 Random variable 、 Geotechnical engineering 、 Engineering 、 Infill 、 Vulnerability assessment 、 European Macroseismic Scale 、 Monte Carlo method 、 Geotechnical Engineering and Engineering Geology 、 Soil science 、 Civil and Structural Engineering
摘要: Abstract A damage scenario on a database of Reinforced Concrete (RC) buildings subjected to the 6 th April 2009 L'Aquila earthquake is derived from application POST (PushOver Shear Type models) procedure, simplified analytical methodology for seismic vulnerability assessment RC at large scale. Based assumption shear type modelling, allows derivation non-linear static behaviour accounting influence infill panels. The capacity evaluated in terms spectral intensity measures different Damage States (DSs) based displacement structural and non-structural elements. DSs corresponding thresholds are defined through interpretation observational-based provided by European Macroseismic Scale EMS-98. Finally, fragility carried out, introducing random variables adopting Monte Carlo simulation technique. 250 located Municipality L’Aquila considered. predicted compared with observed post-earthquake collected emergency survey forms. certain parameters scenarios investigated, namely assumptions made regarding distribution panels within analysed (i.e., internal partitions) shape. reliability adopted procedure assumed mechanical classification EMS-98 validated comparison percentage each DS distributions components (vertical structures panels).
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