PSI - Issue 25

9

Fabrizio Greco et al. / Procedia Structural Integrity 25 (2020) 334–347 Author name / Structural Integrity Procedia 00 (2019) 000 – 000

342

2.0

Numerical Experimental

1.6

0.4 SHEAR STRESS,  [MPa] 0.8 1.2

 = -1.0 MPa

 = -0.5 MPa

 = -0.1 MPa

0.0

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

SHEAR DISPLACEMENT,  s [mm]

Fig. 3. Comparison between the present numerical simulations and the experiments by Van der Pluijm in terms of shear stress-displacement curves for three different precompression stress levels.

(a)

(b)

(c)

Fig. 4. Deformed configuration and failure pattern at peak load (top) and at complete mortar joint failure (bottom) for three different precompression levels: (a) 1.00 MPa; (b) 0.50 MPa; (c) 0.10 MPa.