Utilize este identificador para referenciar este registo: http://hdl.handle.net/10362/6891
Título: Robustness analysis of deteriorating reinforced concrete slabs
Autor: Cavaco, Eduardo S.
Neves, Luis A. C.
Gonçalves, Rui C.
Casas, Joan R.
Palavras-chave: Robustness
Corrosion
Reinforced concrete
Reliability
Safety
Performance
Data: 2011
Relatório da Série N.º: IABSE 2011;
Resumo: Corrosion of reinforcement bars in concrete structures is the most significant deterioration mechanism in these structures. Corrosion is extremely difficult to predict and, consequently, can be regarded as an unpredictable event. Following this, robustness assessment methods can be employed to define the susceptibility of a structure to corrosion. In this work, robustness is measured in terms of the remaining safety of a deteriorated structure. The proposed methodology is illustrated by means of a reinforced concrete (RC) slab subjected to dead and live loads. The performance of the corroded slab is evaluated using non-linear analysis. The reliability index is adopted to assess the safety of the deteriorated structure. To compute the reliability index a strategy combining the First Order Reliability Method (FORM) and the Response Surface Method (RSM) is used.
URI: http://hdl.handle.net/10362/6891
Aparece nas colecções:FCT: DEC - Documentos de conferências internacionais

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