Risk-based design of large-scale flood defence systems
HG Voortman, P Van Gelder… - Coastal Engineering 2002 …, 2003 - World Scientific
HG Voortman, P Van Gelder, JK Vrijling
Coastal Engineering 2002: Solving Coastal Conundrums, 2003•World ScientificOn the basis of quantitative reliability analysis of flood defence systems, two design methods
are developed. The first is reliability-based design, where the optimal geometry of a flood
defence system is obtained by minimising the cost of construction under a constraint on the
probability of flooding of the protected area. Reliability-based design is an integral part of the
second design method, risk-based design. In risk-based design, the appropriate flooding
probability of a protected area is obtained by comparing the cost of protection with the risk …
are developed. The first is reliability-based design, where the optimal geometry of a flood
defence system is obtained by minimising the cost of construction under a constraint on the
probability of flooding of the protected area. Reliability-based design is an integral part of the
second design method, risk-based design. In risk-based design, the appropriate flooding
probability of a protected area is obtained by comparing the cost of protection with the risk …
Abstract
On the basis of quantitative reliability analysis of flood defence systems, two design methods are developed. The first is reliability-based design, where the optimal geometry of a flood defence system is obtained by minimising the cost of construction under a constraint on the probability of flooding of the protected area. Reliability-based design is an integral part of the second design method, risk-based design. In risk-based design, the appropriate flooding probability of a protected area is obtained by comparing the cost of protection with the risk reduction that is obtained. A case study illustrates the application of both methods.
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