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Publications
Garbatov, Y. and Guedes Soares, C. (2009), “Corrosion wastage statistics and maintenance planning of corroded hull structures of bulk carriers”, Analysis and Design of Marine Structures. Guedes Soares, C. and Das, P. K. (Eds.), Taylor & Francis Group, London, U.K., pp. 215-222
An approach based on the statistical analysis of failure data leading to probabilistic models of time to failure and maintenance planning is presented here. The approach adopts the Weibull model for analyzing the failure data. Based on historical data of thickness measurements or corresponding corrosion wastage thickness of structural components in 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. An effort is made to establish realistic decisions about when to perform maintenance on structure that will reach a failed state. Different scenarios are analyzed and inspection intervals are proposed.
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