Sources: ASTM International, West Conshohocken, Pa.; CP staff
ASTM C09 Committee on Concrete and Concrete Aggregates’ new standard—C1800, Test Method for Determining Density of Roller Compacted Concrete Specimens Using the Gyratory Compactor—references a specialized tool to prepare samples and test the density of a material with proven performance characteristics in medium- and heavy duty pavements.
It will assist producers, laboratories and practitioners in the design, validation and comparison of the dry mixes that yield roller compacted concrete. — ASTM Customer Relations, 877/909-ASTM;