Reliability based Design of Coastal Structures

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Abstract

Conventional design practice for coastal structures is deterministic in nature and is based on the concept of a design load which should not exceed the resistance (carrying capacity) of the structure. The design load is usually defined on a probabilistic basis as a characteristic value of the load, for example the expectation (mean) value of the 100-year return period event. However, this selection is often made without consideration of the involved uncertainties. In most cases the resistance is defined in terms of the load that causes a certain design impact or damage to the structure, and it is not given as an ultimate force or deformation. This is because most of the available design formulae only give the relationship between wave characteristics and some structural response, such as runup, overtopping, armor layer damage, etc. An example is the Hudson formula for armor layer stability.
Original languageEnglish
Title of host publicationCoastal Engineering Manual
Number of pages51
Volume6
Place of PublicationVicksburg, Mississippi
PublisherCoastal Engineering Research Center
Publication date2003
PagesVI-6-i - VI-6-49
Chapter6
Publication statusPublished - 2003

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