Study to Improve Asphalt Mixes in South Carolina. Volume 1

摘要

Many of the Highways in South Carolina are expected to last long beyond theirdesign life. As a result, there is a need to make use of the best technology that is available in order to extend the life of their highway system. This report provides: An evaluation of the Department's Standard Specification, Special Provisions, and Addenda and makes recommendations concerning steps that can be implemented to improve the specifications and as a result the performance of hot mix asphalt (HMA) in South Carolina. A review of the research and experience of others with polymer modified HMA mixtures and makes recommendations to the Department with Regard to the use of polymers. A review of the research and experience of others with large stone mixes (LSM) and stone matrix asphalt (SMA) mixes and provides recommendations to the department.