Conceptual design for the breakwater system of the south of Doson naval base

Optimisation versus deterministic design

Conference paper (2008)
Department
Hydraulic Engineering (CEG) (TU Delft)
Copyright: © 2008 Viet, N.D.
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Published Date

01-01-2008

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Source:

Proceedings of the International Conference on Coastal and Port Engineering in Developing Countries, COPEDEC VII, 2008, Dubai

Faculty

Civil Engineering and Geosciences

Department

Hydraulic Engineering

Abstract

In 2006 a Vietnamese Engineering Consultancy Company carried out a design study of a Naval Base at the location of the South of Doson Peninsula in Vietnam. A deterministic approach applied to the conceptual design of the breakwater system of the Naval Base resulted in a cross-section with a big armour layer and a rather low crest level. This paper applies an economic optimisation approach to derive the optimal geometry for the breakwater system. Results show that when considering total costs over the lifetime of the breakwater system, the block size can be reduced and the crest height can be increased. Some failure to the armour layer can be accepted while the wave transmission and overtopping should be limited in accordance with their related costs.