PSI - Issue 41

Umberto De Maio et al. / Procedia Structural Integrity 41 (2022) 598–609 Author name / Structural Integrity Procedia 00 (2019) 000–000

604

7

Table 2. Results of the numerical and experimental investigations. Crack number

Average crack spacing [mm]

Model

Experiment

Model

Experiment

7

6

185

214

Fig. 4. (a) Load versus average steel strain curve of the tested specimen together with experimental outcomes; (b) crack patterns predicted by the proposed model at different load levels.

3.2. RC member subjected to flexural loading conditions The second numerically tested structural element is an RC beam subjected to a four-point bending test experimentally analyzed by (Gribniak et al., 2016), whose geometric configuration and boundary conditions are reported in Fig. 5.

Fig. 5. Geometric configuration and boundary conditions of the four-point bending test.