Ultrasonic measurement methods are of particular interest for 3D concrete printing, as they have already been adopted in the construction industry to monitor the material development of (fresh) concrete in a continuous, non-destructive way.

 

Wolfs, R. et al. (2018) - Correlation between destructive compression tests and non-destructive ultrasonic measurements on early age 3D 

doi: https://doi.org/10.1016/j.conbuildmat.2018.06.060