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dc.contributorNaval Construction Battalion Center (Port Hueneme, Calif.)-
dc.contributorRepair, Evaluation, Maintenance, and Rehabilitation Research Program (U.S.)-
dc.contributor.authorDrisko, Richard W.-
dc.contributor.authorYanez, J. R.-
dc.descriptionTechnical Report-
dc.descriptionAbstract: Eleven proprietary protective coatings of different composition, formulated for application to damp or submersed surfaces, and a quick-setting hydraulic cement material were procured for testing to determine their applicability for underwater maintenance painting. They were applied to dry steel, to steel wetted with fresh water, and to steel immersed in fresh and salt water. Variations in test methods included surface preparation (abrasively blasted, water blasted, and wire brushed), application (hand/glove, putty knife, brush, and roller, as appropriate), and water (fresh and salt). The coated steel specimens were subsequently subjected to a pull test to establish the film properties. Most products were easily applied to dry and wetted steel, but many were applied to immersed steel only with great difficulty. Only the thick splash-zone products and two of the eight brushable products were relatively easily applied to immersed steel. These products all cured to form durable films. Abrasive blasting was the preferred method of surface preparation. Abrasive/cohesive properties determined in pull tests were in most cases about the same in fresh and salt water. Two products were also applied by a diver. The first product was easily applied by brush and cured to give a good film. The other, thicker product was more difficult to apply by hand, and the properties of the cured film were inferior to those of specimens applied in the laboratory.-
dc.publisherConstruction Engineering Research Laboratory (U.S.)-
dc.publisherEngineer Research and Development Center (U.S.)-
dc.rightsApproved for public release; distribution is unlimited.-
dc.sourceThis Digital Resource was created from scans of the Print Resource-
dc.subjectProtective coatings-
dc.subjectHydraulic cement-
dc.subjectImmersed surfaces-
dc.subjectUnderwater construction-
dc.subjectUnderwater painting-
dc.titleUnderwater applied coatings : a state-of-the-art investigation-
Appears in Collections:Technical Report

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