ASTM-C215 › Standard Test Method for Fundamental Transverse, Longitudinal, and
Torsional Resonant Frequencies of Concrete Specimens
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1.1 This test method covers measurement of the fundamental transverse, longitudinal, and torsional resonant frequencies of concrete prisms and cylinders for the purpose of calculating dynamic Young's modulus of elasticity, the dynamic modulus of rigidity (sometimes designated as “the modulus of elasticity in shear”), and dynamic Poisson's ratio.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
dynamic modulus of rigidity; dynamic Poisson's ratio; dynamic Young's modulus of elasticity; forced resonance; fundamental resonant frequency; impact resonance; nondestructive testing ;; ICS Number Code 91.100.30 (Concrete and concrete products)
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Jan. 15, 2015