Section 7: Recessing Prestressed StrandsAnchor: #i1000953
Recess prestressed strands to help prevent corrosion due to exposure to the elements.Anchor: #i1000963
Recess the prestressing strands a minimum 3/8-inch using a torch or other approved method. Do not overheat or damage the surrounding concrete.
Abrade the concrete and the end of the steel strand with a needle gun, steel brush, or other suitable means to ensure that no slag remains on the steel or concrete surfaces.
Coat the inside of the recessed area, including the strand, with 10 mils (minimum) of neat Type VIII epoxy and patch the recess with epoxy mortar.
Do not coat the beam end away from the recessed strands with epoxy mortar.