Seismic vulnerability of building aggregates through hybrid and indirect assessment techniques

• DOI: 10.1007/s10518-015-9747-9
• Publication Date: 2015-03-21T15:22:22Z
• Authors: Rui Maio; Romeu Vicente; Antonio Formisano; Humberto Varum
• Keywords: Fragility curves; Vulnerability index; 0211 other engineering and technologies; Building and Construction; 02 engineering and technology; Geotechnical Engineering and Engineering Geology; Seismic vulnerability; Building aggregates; Geophysics; Damage distributions; Macro-elements; Building aggregates; Damage distributions; Fragility curves; Macro-elements; Seismic vulnerability; Vulnerability index; Geotechnical Engineering and Engineering Geology; Geophysics; Civil and Structural Engineering; Building and Construction; Civil and Structural Engineering

This work approaches the seismic vulnerability assessment of an old stone masonry building aggregate, located in San Pio delle Camere (Abruzzo, Italy), slightly affected by the 2009 April 6th earthquake occurred in L’Aquila and its districts. This building aggregate has been modelled by using the 3muri® software for seismic analysis of masonry constructions. On one hand, static non-linear numerical analyses were performed to obtain capacity curves together with the prediction of damage distributions for the input seismic action (hybrid technique). On the other hand, indirect techniques, based on different vulnerability index formulations, were used for assessing the building aggregate’s behaviour under earthquake action. The activities carried out have provided a clear framework on the seismic vulnerability of building aggregates, as well as aid future retrofitting interventions.