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Publicações
Garbatov, Y. e Guedes Soares, C. (2015), “Risk-based maintenance of ageing ship structures”, Developments in Maritime Transportation and Exploitation of Sea Resources, Guedes Soares, C. and López Peña F. (Eds.). Francis & Taylor Group, Londres, UK, pp. 919-926
Risk-based maintenance of ageing marine structures is a rapidly developing field whose objective is to develop methods and tools to predict, evaluate and prove reliability, maintainability of structures and the cost associated with their loss. The present work reviews recently developed mathematical tools for the risk-based assessment of marine structures subjected to the degrading effect of corrosion. Several approaches based on a statistical analysis of corrosion depth data leading to probabilistic models of time to fail, which are used as a basis for maintenance decisions are demonstrated here. Classical theory of system maintenance that describes the failure of components by probabilistic models often of the Weibull family, which represent failure rates in operational phases and in the ageing phases of the life of components are used.
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