CEN - PREN 12504-4
Testing concrete in structures - Part 4: Determination of ultrasonic pulse
|Publication Date:||1 September 2019|
|ICS Code (Concrete and concrete products):||91.100.30|
This document specifies a method for the determination of the velocity of propagation of pulses of ultrasonic longitudinal waves or ultrasonic transverse waves in hardened concrete, which is used for a number of applications.