Expected life of Silane water repellant treatments on bridge decks (FHWA-OK-12-08)

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dc.contributor.sponsorOklahoma Department of Transportation. Materials and Research Division. Office of Research & Implementation
dc.creatorLey, Tyler M.
dc.creatorSudbrink, Bryan
dc.creatorKotha, Harikishan
dc.creatorMaterer, Nicholas
dc.creatorApplett, Allen
dc.date.accessioned2019-04-05T16:48:31Z
dc.date.available2019-04-05T16:48:31Z
dc.date.issued2012-12
dc.description.abstractThis report covers techniques used to evaluate the presence of silane coatings on bridge decks in the lab and in the field. After these techniques are established they are then used to determine the effective service life of silane and the ability to reapply silane to the surface of the concrete. The following techniques are investigated in this study: surface resistivity, German water permeability, contact angle measurements, selective dyes, and a XRF Microscope. The most promising techniques were used to evaluate the field performance that had been in service between 5 and 28 years. The work showed that the silane coatings lasted at least 6 years and that after 9 years about 30% of the silane coatings were no longer effective. Lab based reapplication efforts suggest that it is possible to reapply silane; however, additional efforts are needed above what is typically done for concrete less than a year old.
dc.description.peerreviewNo
dc.description.versionFinal Report October 2011 - December 2012
dc.format.extent99 pages
dc.format.extent5,741,557 bytes
dc.format.mediumapplication.pdf
dc.identifier.govdocFHWA-OK-12-08
dc.identifier.otherOklahoma Department of Transportation State Planning and Research Item Number 2229
dc.identifier.urihttps://hdl.handle.net/11244/317845
dc.languageen_US
dc.relation.ispartofseriesNo
dc.relation.requiresAdobe Acrobat Reader
dc.subject.keywordsSilane
dc.subject.keywordsPermeability
dc.subject.keywordsDurability
dc.subject.keywordsBirdge decks
dc.titleExpected life of Silane water repellant treatments on bridge decks (FHWA-OK-12-08)
dc.typeTechnical Report
dc.type.materialtext

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