GB/T 9966.9-2021 Test methods for natural stone—Part 9: Determination of the dynamic modulus of elasticity by measuring the fundamental resonance frequency (English Version)
This part of GB/T9966 specifies the principle, equipment, sample preparation, test procedure, test results and test report of the test for determining the dynamic elastic modulus of natural stone by measuring the fundamental frequency of resonance. This section applies to the determination of natural stone dynamic elastic modulus.
GB/T 9966.9-2021 Referenced Document
GB/T 9966.3 Test methods for natural stone—Part 3:Determination of water absorption,bulk density,true density and true porosity
GB/T 9966.9-2021 history
2021GB/T 9966.9-2021 Test methods for natural stone—Part 9: Determination of the dynamic modulus of elasticity by measuring the fundamental resonance frequency