Statistical Methods for Materials TestingStatus: CompleteReport Date: 12/23/2009 Summary: Researchers developed a new protocol for testing the relative density in hot-mix asphalt pavement construction. The proposed procedure determines the required number of samples that should be tested based on user-specified reliability metrics. Developed for use in the lab and in the field, the new testing protocol results in more accurate payments based on contractor performance. Final Deliverables: Report #2009-41 Research Summary Related Materials: Related Research: