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Self-Compacting Concrete (SCC) is an effective, reliable and safer technology to cast-in-place concrete structures. However, the large amount of paste required to achieve its high flowability may increase microcracking caused by drying shrinkage at Early Age (EA) due to curing conditions, damaging concrete members (Barluenga et al., 2018). In this case, an evaluation of the hardened SCC may be necessary and Non-destructive testing techniques (NDT) can be suitable. Among NDT, Ultrasonic pulses (US) have showed to be very useful due to its portability, easiness of application and sensitivity to changes in material microstructure, porosity and presence of defects (Palomar et al., 2017). Thus, the aim of this study was to compare US parameters to hardened parameters of cracked and un-cracked SCC.

Non-Destructive Evaluation of Micro-Cracked SCC by Ultrasonic Waves