Optimal inspection planning with time-dependent reliability analysis, application to rubble-mound breakwaters

Conference paper (2010)
Department
Hydraulic Engineering (CEG) (TU Delft)
Copyright: © 2010 Nguyen, D.V.
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Published Date

07-06-2010

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Source:

10th International Probabilistic Safety Assessment & Management Conference, PSAM 10, 7-11 June 2010, Seattle, USA

Faculty

Civil Engineering and Geosciences

Department

Hydraulic Engineering

Abstract

In order to avoid failure in its lifetime, a breakwater system has to be inspected and, if necessary, has to be repaired. In this paper, a comprehensive maintenance strategy with optimal inspection planning is formulated. Rational maintenance decision-making approaches are discussed. The proposed maintenance strategy combines time-dependent and condition-dependent maintenance with event-dependent inspection. Optimal inspection planning is obtained by cost optimization with a safety constraint. In practical cases, it is possible to achieve an optimal inspection plan when relevant parameters of strength and load are existing and available.

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