Issue 40

S. K. Kourkoulis et alii, Frattura ed Integrità Strutturale, 40 (2017) 74-84; DOI: 10.3221/IGF-ESIS.40.07 78 Figure 6 : (a) The position of the acoustic sensor; (b) the experimental set up- and the initiation of the crack for a typical test with specimen made of mortar. Figure 7 : A typical test with a cement paste specimen (a) before and (b) after fracture. (a) (b) (c) Figure 8 : (a) - (c) The time variation of the cumulative hits/s for three characteristic 3-point bending experiments with specimens made of Alfas stone . (a) (b) (a) (b)