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Article: Extreme thermal loading on steel bridges in tropical region

TitleExtreme thermal loading on steel bridges in tropical region
Authors
KeywordsBridges, steel
Heat transfer
Temperature
Thermal gradients
Issue Date2002
PublisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/be.html
Citation
Journal Of Bridge Engineering, 2002, v. 7 n. 6, p. 357-366 How to Cite?
AbstractIn the design of highway bridges, it is important to consider the thermal stresses induced by the nonlinear temperature distribution in the bridge deck irrespective of their spans. To cope with this, design temperature profiles are provided by many bridge design codes, which are normally based on extensive research on the thermal behavior of bridges. This paper presents the results of a comprehensive investigation on the thermal behavior of steel bridges carried out in Hong Kong. A method for predicting bridge temperatures from given meteorological conditions is briefly discussed. The theoretical results have been validated by temperature measurements on experimental models mounted on the roof of a building as well as on an existing steel bridge. Both the theoretical and field results confirm the validity of the one-dimensional heat transfer model on which most design codes are based. Values of design thermal loading for a 50-year return period are determined from the statistics of extremes over 40 years of meteorological information in Hong Kong. The design temperature profiles for various types of steel bridge deck with different thickness of bituminous surfacing are developed.
Persistent Identifierhttp://hdl.handle.net/10722/71830
ISSN
2015 Impact Factor: 1.069
2015 SCImago Journal Rankings: 1.038
References

 

DC FieldValueLanguage
dc.contributor.authorTong, Men_HK
dc.contributor.authorTham, LGen_HK
dc.contributor.authorAu, FTKen_HK
dc.date.accessioned2010-09-06T06:35:33Z-
dc.date.available2010-09-06T06:35:33Z-
dc.date.issued2002en_HK
dc.identifier.citationJournal Of Bridge Engineering, 2002, v. 7 n. 6, p. 357-366en_HK
dc.identifier.issn1084-0702en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71830-
dc.description.abstractIn the design of highway bridges, it is important to consider the thermal stresses induced by the nonlinear temperature distribution in the bridge deck irrespective of their spans. To cope with this, design temperature profiles are provided by many bridge design codes, which are normally based on extensive research on the thermal behavior of bridges. This paper presents the results of a comprehensive investigation on the thermal behavior of steel bridges carried out in Hong Kong. A method for predicting bridge temperatures from given meteorological conditions is briefly discussed. The theoretical results have been validated by temperature measurements on experimental models mounted on the roof of a building as well as on an existing steel bridge. Both the theoretical and field results confirm the validity of the one-dimensional heat transfer model on which most design codes are based. Values of design thermal loading for a 50-year return period are determined from the statistics of extremes over 40 years of meteorological information in Hong Kong. The design temperature profiles for various types of steel bridge deck with different thickness of bituminous surfacing are developed.en_HK
dc.languageengen_HK
dc.publisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/be.htmlen_HK
dc.relation.ispartofJournal of Bridge Engineeringen_HK
dc.rightsJournal of Bridge Engineering. Copyright © American Society of Civil Engineers.en_HK
dc.subjectBridges, steelen_HK
dc.subjectHeat transferen_HK
dc.subjectTemperatureen_HK
dc.subjectThermal gradientsen_HK
dc.titleExtreme thermal loading on steel bridges in tropical regionen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1084-0702&volume=7&issue=6&spage=&epage=&date=2002&atitle=Extreme+thermal+loading+on+steel+bridges+in+tropical+regionen_HK
dc.identifier.emailTham, LG:hrectlg@hkucc.hku.hken_HK
dc.identifier.emailAu, FTK:francis.au@hku.hken_HK
dc.identifier.authorityTham, LG=rp00176en_HK
dc.identifier.authorityAu, FTK=rp00083en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1061/(ASCE)1084-0702(2002)7:6(357)en_HK
dc.identifier.scopuseid_2-s2.0-13844271559en_HK
dc.identifier.hkuros76094en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-13844271559&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume7en_HK
dc.identifier.issue6en_HK
dc.identifier.spage357en_HK
dc.identifier.epage366en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridTong, M=7202033832en_HK
dc.identifier.scopusauthoridTham, LG=7006213628en_HK
dc.identifier.scopusauthoridAu, FTK=7005204072en_HK

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