pulse attenuation as a measure of damage growth during cyclic loading of concrete, what the damage growth is inferred from the reduction in amplitude of ultrasonic waveforms transmitted through the specimen during the test, betooni tsüklilise katsetamise ajal tekkivate kahjustuste kasvu mõõtemeetod, mis seisneb selles, et kahjustuste kasv tuleneb katse ajal proovi kaudu edastatava ultraheli laine amplituudi vähenemisest