Research Reports
Filter by Keyword

The South Dakota Department of Transportation (SDDOT) has been using the Ohio Highway Department’s (OHD) moisture-density curves for compaction quality control of granular materials. However, the OHD curves were not developed for granular materials, and their use was found to result in inconsistencies...

The South Dakota Department of Transportation (SDDOT) has identified a need to reevaluate methods in determining whether granular materials have been compacted to the desired density. Practices of other DOTs indicate additional advantages and disadvantages to various in-situ compaction testing devices....