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Article: Safety and design of vertical breakwaters

TitleSafety and design of vertical breakwaters
Authors
KeywordsBreakwater
Design
Design format
Reliability
Safety factor
Issue Date2003
PublisherHong Kong Institution of Engineers. The Journal's web site is located at http://www.hkie.org.hk/html/publications/transactions/index.asp
Citation
Transactions Hong Kong Institution Of Engineers, 2003, v. 10 n. 3, p. 1-7 How to Cite?
AbstractThe design of the breakwaters based on the current design manual in Hong Kong uses the overall safety factor approach. This approach, in general, does not provide a safety consistent design, and lacks the invariant property by using different definitions for load effects and resistance identified through the rewriting of equilibrium equations. This study is focused on the selection of the design format to be used for designing vertical breakwaters subjected to wave loading. The required caisson width of a vertical breakwater is evaluated using Goda's formulas and different definitions of the overall safety factor. Also simple probabilistic analysis is carried out. The numerical results show that one should treat the wave induced load effects consistently in order to provide a more safety consistent design. Further, it is indicated that the overall safety factor format in the current design manual for designing breakwaters can be modified into the so-called partial safety factor format. This modification does not change the current design practice for designing breakwaters in Hong Kong, and the new format avoids the problem associated with how to take into account and interpret the uplifting wave pressure in design.
Persistent Identifierhttp://hdl.handle.net/10722/71639
ISSN
2015 SCImago Journal Rankings: 0.145
References

 

DC FieldValueLanguage
dc.contributor.authorHong, HPen_HK
dc.contributor.authorKwan, AKHen_HK
dc.date.accessioned2010-09-06T06:33:49Z-
dc.date.available2010-09-06T06:33:49Z-
dc.date.issued2003en_HK
dc.identifier.citationTransactions Hong Kong Institution Of Engineers, 2003, v. 10 n. 3, p. 1-7en_HK
dc.identifier.issn1023-697Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/71639-
dc.description.abstractThe design of the breakwaters based on the current design manual in Hong Kong uses the overall safety factor approach. This approach, in general, does not provide a safety consistent design, and lacks the invariant property by using different definitions for load effects and resistance identified through the rewriting of equilibrium equations. This study is focused on the selection of the design format to be used for designing vertical breakwaters subjected to wave loading. The required caisson width of a vertical breakwater is evaluated using Goda's formulas and different definitions of the overall safety factor. Also simple probabilistic analysis is carried out. The numerical results show that one should treat the wave induced load effects consistently in order to provide a more safety consistent design. Further, it is indicated that the overall safety factor format in the current design manual for designing breakwaters can be modified into the so-called partial safety factor format. This modification does not change the current design practice for designing breakwaters in Hong Kong, and the new format avoids the problem associated with how to take into account and interpret the uplifting wave pressure in design.en_HK
dc.languageengen_HK
dc.publisherHong Kong Institution of Engineers. The Journal's web site is located at http://www.hkie.org.hk/html/publications/transactions/index.aspen_HK
dc.relation.ispartofTransactions Hong Kong Institution of Engineersen_HK
dc.subjectBreakwateren_HK
dc.subjectDesignen_HK
dc.subjectDesign formaten_HK
dc.subjectReliabilityen_HK
dc.subjectSafety factoren_HK
dc.titleSafety and design of vertical breakwatersen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1023-697X&volume=10&issue=3&spage=1&epage=7&date=2003&atitle=Safety+and+design+of+vertical+breakwatersen_HK
dc.identifier.emailKwan, AKH:khkwan@hkucc.hku.hken_HK
dc.identifier.authorityKwan, AKH=rp00127en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0242573634en_HK
dc.identifier.hkuros82230en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0242573634&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume10en_HK
dc.identifier.issue3en_HK
dc.identifier.spage1en_HK
dc.identifier.epage7en_HK
dc.publisher.placeHong Kongen_HK
dc.identifier.scopusauthoridHong, HP=7401521473en_HK
dc.identifier.scopusauthoridKwan, AKH=7101738204en_HK

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