The South Dakota Department of Transportation (SDDOT) wishes to reevaluate its current methods of compaction quality control of granular materials. The SDDOT uses the Ohio Highway Department’s Typical Moisture Density Curves for performing compaction quality control on granular soil materials in conjunction with standard moisture density relations. The SDDOT has also been using materials recycled from Portland Cement Concrete (PCC) and Hot Mix Asphalt (HMA) as subbase and base courses. A research synthesis report published by the National Cooperative Highway Research Program (NCHRP) has summarized alternative methods used by other DOT’s for compaction quality control of granular materials (Nazzal, 2014). The research conducted included a literature review of various alternative forms of granular compaction quality control. A data analysis was also performed to determine the adequacy of using families of moisture density curves for granular compaction of base and subbase granular materials encountered by the SDDOT. The results of an alternatives analysis also indicated that the Dynamic Cone Penetrometer (DCP) device may be the highest ranked alternative field compaction testing device to suit the needs of the SDDOT.
The South Dakota Department of Transportation (SDDOT) has identified a need to reevaluate methods in determining whether granular materials have been ...
A survey was conducted to gather additional information of compaction practices utilized by surrounding DOTs. Data provided by the SDDOT were analyzed...
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