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Publications
Garbatov, Y. and Guedes Soares, C. (2010), “Risk based maintenance of deteriorated ship structures accounting for historical data”, Advanced Ship Design for Pollution Prevention - Fatigue Reliability and Rational Inspection Planning, Guedes Soares, C. and Parunov, J. (Eds.), Taylor & Francis Group, London, U.K., pp. 131-147
Maintenance, repair and reliability analyses of tanker and bulk carrier structures subjected to general corrosion are presented. The approach adopts the Weibull model for analysing the failure data. Based on historical data of thickness measurements or corresponding corrosion wastage thickness of structural components in tanker and bulk carriers and the progress of corrosion, critical failure levels are defined. The analysis demonstrates how data can be used to address important issues as the inspection intervals, condition based maintenance action and structural component replacement. It is also demonstrated how to establish practical decisions about when to perform maintenance on structure that will reach a failed state. Different scenarios are analysed and inspection intervals are proposed.
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