Concrete overlays can serve as cost-effective maintenance and rehabilitation solutions for almost any combination of existing pavement type and condition, desired service life, and anticipated traffic loading.

Guide To Concrete Overlay Solutions - 2nd Edition 75 pages 15.6 MB Published 9-08

These 2-page summaries (below) provide quick-and-dirty overviews of 6 kinds of overlay solutions. The summaries can help you:

• Decide if an existing pavement is a good candidate for overlay.
• Determine the most appropriate overlay solution for an existing pavement.
• Understand basic designs for thickness, mixture, joints, and drainage.
• Prepare the existing pavement surface adequately.
• Accommodate special construction considerations.

Summaries of the 6 types of concrete overlay solutions:

Bonded overlays	Unbonded overlays
Generally used to eliminate surface distress when the pavement is in good structural condition.	Generally highly reliable, with longer design life than rehabilitation with asphalt.
2-page summary: bonded on concrete 3 mb	2-page summary: unbonded on concrete 3.2 mb
2-page summary: bonded on asphalt 703 kb	2-page summary: unbonded on asphalt 700 kb
2-page summary: bonded on composite 724 kb	2-page summary: unbonded on composite 802 kb