Polymer Concrete Overlay Evaluation, 2016

(2016) Polymer Concrete Overlay Evaluation, 2016. Transportation, Department of

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Abstract

The objectives of this work were to document the state-of-the-practice with respect to polymer concrete overlays, document the placement of two overlays in Iowa, monitor the field performance of the overlays over a two-year period, and relate their performance to material usage and/or workmanship. The two bridges - a Johnson County, Iowa bridge over I-80 on 12th Avenue in Coralville, and the Keg Creek Bridge on Hwy 6 in western Iowa, 10 miles east of Council Bluffs - were overlaid during the summer/fall of 2013. The process by which each bridge was overlaid was similar in many ways, although a few slight differences existed. Over time, each overlay has generally performed quite well with only a few areas of exception. It is believed that these localized areas likely underperformed due to poor deck preparation, improper polymer mixing, snowplow impact, or a combination thereof.

Item Type: Departmental Report
Keywords: bridge deck overlays, deck overlay performance, polymer concrete overlays, polymer overlay placement, Overlays (Pavements), Bridge decks, Bridges, Bridges and culverts
Subjects: Transportation
Transportation > Materials
Transportation > Bridges and tunnels
Transportation > Research
Transportation > Design and Construction
ID Code: 22416
Deposited By: Iowa DOT Library
Deposited On: 07 Jul 2016 18:31
Last Modified: 07 Jul 2016 18:31
URI: http://publications.iowa.gov/id/eprint/22416