An extensive literature review was conducted in this project, including review of Texas Department of Transportation (TxDOT), national, and international seal coat specifications. Based on the findings and results from prior tasks, several specification changes are recommended. This report contains the proposed specifications and a summary of the key changes. Along with the specification recommendations, new test procedures are also needed as part of the specification requirements. This research focused on developing a new design procedure for application rates. It is proposed that the new design procedure be outlined in a TxDOT test procedure format, then that procedure referenced in the specifications.
In the laboratory test program for aggregates, the research team found that the gravel aggregates, which are also SAC A aggregates, performed the best...
Chlorides, in sufficient concentrations, will cause corrosion of steel reinforcement in bridge decks. Previous studies have shown that de-icing chemic...
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United States Department of Transportation
[PDF-1.59 MB]
