Epoxy Coated Rebar Banned

One of the most common methods of combating steel rebar corrosion in precast concrete applications is the use of fusion bonded epoxy coated rebar in construction and repair.

Epoxy coated rebar banned.

1 1 this specification covers deformed and plain steel reinforcing bars with protective epoxy coating applied by the electrostatic spray method. For example statistical analyses by boatman on almost 1800 michigan bridges estimated the life of bridges using uncoated bars would be 35 years. States have initiated studies re evaluating its use. Ecr is not practically fabricated after coating as the epoxy will crack flake.

Recent reports from new york michigan and nebraska dots on the performance of epoxy coated reinforcing steel all indicate substantial long term benefits agrawal 2006. The performance of epoxy coated reinforcement. Other provinces in canada and many u s. Resulting from the presence of coating production imperfections within allowable limits at the time of construction then aggravated by fabrication handling and a severe construction yard.

The fusion bonded coaters association fbca reports that the following uses have recently come to light. Fabricate after coating hdg can and is often fabricated bent after coating. Epoxy coated rebar has been banned in the province of quebec. Underfilm corrosion the zinc of hdg rebar is self healing and impermeable.

Experience of the ontario ministry of transportation. Epoxy coated bars to be increased due to the loss of bond strength as a result of the epoxy coating. Have there been any anticorrosion applications of epoxy coated rebars other than for bridge decks and parking garage floors. By choosing to continue you agree to the terms in our privacy policy.

Volume 23 number 3 4 2005.