Polyester Concrete Bridge Deck Overlays

Thin bond epoxy overlays.
Polyester concrete bridge deck overlays. Multiple layer polymer concrete overlays slurry polymer concrete overlays. 1 as a 1 inch thick inlay of the entire lane that was diamond ground to remove. Polyester polymer concrete ppc was used in a trial application as a possible repair strategy on a section of concrete pavement that suffered from extensive studded tire wear. Polyester polymer concrete overlay.
An innovative technique used on box beam bridge structures included in the rapid bridge replacement project is the application of a polyester polymer concrete ppc overlay. Thin polymer concrete bridge deck overlays material properties and application methods needed for a successful job for this thin polymer concrete overlay a mixture of liquid binder and aggregate is spread uniformly and then struck off using a vibrating screed. Typically applied at transpo t 48 polysulfide epoxy based polymer concrete is a fast setting thin overlay. With a cure time of approximately 2 hours myers and sons has the ability to allow traffic to return much sooner than most types of other overlays.
There are two types of pc overlays. Guide specifications for polymer concrete bridge deck overlays. Transpo t 48 polysulfide epoxy based polymer concrete is a fast setting thin overlay. As a leading provider of bridge deck overlays you can be assured that your project will be completed right the first time.
Rapid return of traffic. The ppc was applied in three methods. Epoxy and mma overlays have been used on bridges at thicknesses of from 6 5 to 40 mm 0 25 to 1 5 in and polyesters have been used on bridges at thicknesses of from 6 5 to 80 mm 0 25 to 3 in or more. And premixed polymer concrete overlays.
This report gives guide specifications for polymer concrete bridge deck overlays. The polyester concrete material supplied by kwik bond polymers is a long term way to enhance the life of the bridge deck for over 30 years without the need of rehabilitation or replacement. It is a prepackaged system ideal for concrete bridge decks and other concrete structures. With millions of square feet of bridge deck polyester concrete overlays placed ppc 1121 has a successful history dating back to the first overlays placed in 1983.
The overlay material is designed to protect bridge decks from the infiltration of deicing salts and reduce long term maintenance costs. Immediately after strike off additional aggregate is spread over the surface to. Appendix a wsdot ppc bridge deck overlay. Fast set concrete overlays.
Epoxy pc and polyester pc. Polyester polymer concrete can achieve rapid 2 hour cure after placement even in cold humid conditions below 40 f.