Abstract
Since 2007, damages of structures are accepted if they give less influence on their performance in Japan (Guideline for the performance design). To realize the idea of the guideline in a coastal structure design, assessment for 'state' and 'degree' of damage becomes essential in advance. This study proposes statistical method to assess a sliding of the composite breakwater, applying Monte Carlo wave climate simulation method (kimura et al., 2012). A concrete method is shown to make clear about a relation between design conditions and a probability that the structure keeps the performance during the in-service period.References
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