Figure 12. Variation of ultrasonic pulse velocity

From

The Efficiency of Waterproofing Agents in Concrete: Assessment of Compressive Strength and Permeability

Salman Ayyoob, Mohd Zaki, Mohammad Saaim Khan, Sahil Ali Khan, Mohammad Arif Kamal

American Journal of Civil Engineering and Architecture. 2022, 10(3), 137-146 doi:10.12691/ajcea-10-3-4