0-7167: Evaluate Performance of Sealers and Coatings Applied to TxDOT Bridge Substructures
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2024-10-01
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Abstract:Sealers and coatings protect concrete bridge substructure elements from chloride-induced corrosion and extend the useful life of existing bridges. Their application is a common practice by the Texas Department of Transportation (TxDOT). Although concrete-penetrating surface treatments, Type X waterproofing, silicone resin paint, or opaque sealers are generally specified depending on a district or engineer’s preference, no quantitative research has been performed to evaluate the corrosion protection benefits of these commonly used sealers and coatings and verify the suitability and effectiveness of the commonly used surface preparation methods.
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