autores Azenha, Miguel Boulay, C. Staquet, S. Azenha, M. Deraemaeker, A. Crespini, M. Carette, J. Granja, J. Granja, José Luís Duarte Aksoy-Aksel, A.
palavras-chave Early age behaviour of concrete Young’s modulus dynamic testing round robin test ultrasonic measurements