Assessment of a storm surge barrier
A probabilistic fragility-based framework for the assessment of complex hydraulic structures
D.G. Fiolet (TU Delft - Civil Engineering & Geosciences)
S.N. Jonkman – Mentor
WF Molenaar – Graduation committee member
M. Muttray – Graduation committee member
Joost Lansink – Graduation committee member
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Abstract
This thesis introduces a fragility-based framework in order to perform a custom assessment of the complex Eastern Scheldt storm surge barrier. By applying a conditional approach to loading parameters, the statistical dependency between failure mechanisms and structure elements can be described separately for the strength and loading part of the assessment, allowing for a reduction of the conservatism. This report applies this fragility-based assessment to assess the barrier on the failure mechanisms ‘height’ and ‘failure due to failing closure’.