This chapter addresses the common practices and test methods (standards) that are used for certification programs for the basic material categories of soils and aggregate, asphalt mixture, and ...

Over 500 million tons of HMA are placed in the United States each year so it's important that the material be properly sampled and tested during construction to ensure satisfactory performance. When ...

Asphalt mix design equipment: Includes Superpave gyratory, Hveem and Marshall Compactors. Stabilometers and Marshall Press. Asphalt mixture performance tester (AMPT): Measures mechanical properties of ...

Certain aspects of quality control testing hasn't changed all that much over the decades. While it is necessary and extremely important, when working with various Departments of Transportation (DOT) ...

This article discusses reduced sampling and testing of starting materials or components. Different strategies are presented to reduce the workload at the steps from sampling to release. Viewpoints ...

This appendix contains short descriptions of different certification programs related to materials sampling and testing that were referenced in the literature review. The programs are listed in ...