26. February 2024 © Copyright 2024, PROCEQ SA 79
How close to the surface is it possible to measure with ultrasonic pulse-echo technology?
While this is being improved all the time it is possible to give a reference for this. A major study
was carried out in Germany that deals with this topic. Here it was shown that 16 mm rebars
could be detected with a minimum cover of 20mm. The reference to the paper is shown below.
Detection of near-surface reinforcement in concrete components with ultrasound
Sarah Vonk1,*, and Alexander Taffe1.
1HTW Berlin – University of Applied Sciences Berlin, Nondestructive Testing in Civil
Engineering Department, 12459 Berlin.