2002•Unpublished venueOpen access

Performance-Related Specifications for Concrete Bridge Superstructures, Volume 4: Bond of Epoxy-Coated Bars with Thicker Coatings

Julio A. Ramírez, Michael Appelhans

Abstract

In Volume 4 of the final report, the results of an evaluation of the bond performance of epoxy-coated bars with a coating thickness up to 18 mils are presented. The experimental work on the bond performance of epoxy-coated bars with thickness up to 18 mils indicates that the current AASHTO requirements for development length of epoxy-coated bars up to #8 could be safely extended to coating thickness of up to 18 mils. Thus, no change to the bond specifications is recommended in order to implement the use of bars with diameters up to a #8 with epoxy-coating thickness up to 18 mils.

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Key concepts: Epoxy, Materials science, Coating, Composite material, Bond, Volume (thermodynamics), Bridge (graph theory), Composite epoxy material