ATL has received AASHTO Laboratory accreditation for ASTM C666: Standard Test Method for Resistence of Concrete to Rapd Freezing and Thawing and ASTM C215: Standard Test Method for Fundamental Tranverse, Longitudinal, and Torsional Resonant Frequencies of Concrete Specimens.

ASTM C666 is typically requested to measure the ability of concrete to withstand repetitive freezing and thawing over its service life. Concrete specimens are made with the mix designs of interest and then specimens are subjected to alternating cycles of freezing and thawing up to 300 cycles. ATL’s new freeze thaw chamber can complete 7 cycles in a 24 hour period. This allows for a faster completion of testing and reporting.

ASTM C215 is utilized in conjunction with C666 and covers the measurement of the fundamental transverse, longitudal, and torsional resonant frequencies of the concrete prisms for the purpose of calculating dynamic Young’s modulus of elasticity, the dynamic modulus of rigidity, and dynamic Poisson’s Ratio.
For more information on ASTM C666, C215 and other aggregate test methods contact Bob Field at 518-383-9144 or