Thickness Design for Cement-Treated Base Pavements

R27-235 Thickness Design for Cement-Treated Base Pavements 6/30/2024 Cement-treated base pavements are typically constructed using full-depth reclamation — a cost-effective, environmentally sustainable process in which existing pavement layers (asphalt, chip seals, aggregate, soil) are recycled in place. This project’s goal is to develop a thickness design procedure and supporting policies for CTB pavements for use by local roads agencies. The developed design procedure will result in more consistent and better performing CTB pavements, as there are currently large variations in the thicknesses and pavement sections constructed with this technique. Effective procedures will provide better guidance for the design and construction of CTB pavements, potentially resulting in cost savings and improved performance. Local roads agencies will benefit significantly from improved guidance concerning the most effective utilization of full-depth reclamation with cement.