Development of a Fragility Model for Moment-Frame RC Buildings in Portugal

• Tipo: Artigo em Livro de Atas de Conferência Internacional
• Data: 2014

Autores

Silva, V (Autor) Outra; Crowley, H (Autor) Outra; Varum, H (Autor) FEUP; Pinho, R (Autor) Outra; Sousa, L (Autor) Outra

Ata de Conferência Internacional

Título: Vulnerability, Uncertainty, and Risk: Quantification, Mitigation, and Management - Proceedings of the 2nd International Conference on Vulnerability and Risk Analysis and Management, ICVRAM 2014 and the 6th International Symposium on Uncertainty Modeling and Analysis, ISUMA 2014

Páginas: 525-534

2nd International Conference on Vulnerability and Risk Analysis and Management, ICVRAM 2014 and the 6th International Symposium on Uncertainty Modeling and Analysis, ISUMA 2014

13 July 2014 through 16 July 2014

Indexação

ISI Web of Knowledge

Scopus - 2 Citações

Outras Informações

ID Authenticus: P-00G-CZ7

DOI: 10.1061/9780784413609.054

Abstract (EN): This study presents the development of a set of fragility functions for six reinforced concrete building typologies, categorized based on the date of construction (which has a direct relation with the design code level) and number of storeys (height of the building). The structural fragility of the Portuguese building stock has been the target of only limited investigation in recent years and, moreover, the existing studies relied mainly on simplified methodologies which might not be sufficient to represent the structural characteristics of the RC building typologies in Portugal. An analytical methodology was adopted in which thousands of nonlinear dynamic analyses were performed on 2D moment resisting frames with masonry infills, using one hundred ground motion records as much as possible compatible with the Portuguese tectonic environment. The generation of the structural models was carried out using the probabilistic distribution of a set of geometric and material properties, compiled based on information gathered from a large sample of drawings and technical specifications of typical Portuguese reinforced concrete buildings, located in various regions in the country. Various key aspects in the development of the fragility model are investigated herein, such as the selection of the ground motion records, the definition of the damage criterion and the evaluation of dynamic (i.e. period of vibration) parameters of the frames. The resulting fragility model can be applied directly in earthquake loss assessment, which is a fundamental tool for the development of risk mitigation actions. © 2014 American Society of Civil Engineers.

Idioma: Inglês

Tipo (Avaliação Docente): Científica