Thermal Performance of Unloaded Spiral Strand and Locked-Coil Cables for Bridge Infrastructure

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dc.contributor.advisorGales, John A.
dc.contributor.authorNicoletta, Benjamin Justin Salvatore
dc.date.accessioned2020-11-13T13:48:11Z
dc.date.available2020-11-13T13:48:11Z
dc.date.copyright2020-08
dc.date.issued2020-11-13
dc.date.updated2020-11-13T13:48:11Z
dc.degree.disciplineCivil Engineering
dc.degree.levelMaster's
dc.degree.nameMASc - Master of Applied Science
dc.description.abstractThere are no contemporary code requirements for the fire resistance of bridge infrastructure, nor is there guidance available for practitioners who wish to design cable-supported structures for fire. This research seeks to develop an understanding of the thermal response of steel stay-cables under exposure to a pool fire. Multiple varieties of stay-cable are instrumented with thermocouples and heated by a methanol pool fire. Novel imaging techniques observe the cables surface during heating and cooling and enable the calculation of thermal strains and deformations. Results show a normalization of cross-sectional temperatures outside of the localized heating region for cable diameters up to 140 mm, provide comparisons of heat transfer behaviours for different cable sizes and configurations, present a novel thermal rotational effect, and calculate cable thermal expansion values. Predictive thermal expansion values provided by the Eurocode were shown to underpredict cable thermal expansion in most cases.
dc.identifier.urihttp://hdl.handle.net/10315/37894
dc.languageen
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subjectCivil engineering
dc.subject.keywordsBridges
dc.subject.keywordsBridge fire
dc.subject.keywordsCables
dc.subject.keywordsTension member
dc.subject.keywordsSteel
dc.subject.keywordsFire
dc.subject.keywordsThermal performance
dc.subject.keywordsCable-supported
dc.subject.keywordsStructure fire
dc.subject.keywordsPool fire
dc.subject.keywordsDigital image correlation
dc.subject.keywordsNarrow-spectrum illumination
dc.subject.keywordsStructural engineering
dc.subject.keywordsBridge engineering
dc.subject.keywordsFire safety
dc.subject.keywordsFire safety engineering
dc.titleThermal Performance of Unloaded Spiral Strand and Locked-Coil Cables for Bridge Infrastructure
dc.typeElectronic Thesis or Dissertation

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