W. Conshohocken, Pa. — A new ASTM International standard provides a test method that uses a specialized tool to prepare samples of and to test the density of roller compacted concrete (RCC).  This will help companies that design mixes of RCC as well as laboratories that test RCC.

The new standard (C1800, Test Method for Determining Density of Roller Compacted Concrete Specimens Using the Gyratory Compactor) was created by ASTM International’s Committee on Concrete and Concrete Aggregates (C09).  It standardizes laboratory procedures used to determine the density of RCC and allows for the development of potential RCC mixes to be used in the field.

Though it is made with the same ingredients as conventional concrete, RCC is a drier mix. While it was originally used for more specialized applications, RCC can now be used for any kind of heavy duty pavement. RCC mix designers will benefit most from this standard, as it provides a method for assessing and comparing various RCC mixes.

To purchase standards, visit www.astm.org and search by the standard designation, or contact ASTM Customer Relations (877.909.ASTM; sales@astm.org).

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