PSI - Issue 78

Fabio Micozzi et al. / Procedia Structural Integrity 78 (2026) 1451–1458

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Fig. 4. Sequence of the impact test.

a

b

Fig. 5. School desk after the impact test with (a) tabletop as damaged; (b) tabletop removed.

3.2. Measurements of the strain gauges Strain gauges were installed on the tubular elements of the school desk and their signals were acquired during the test using a high-performance data logging system (Dewesoft Krypton) and its controlling software (Dewsoft X). The acquisition frequency was set to 20000 samples/s. Results are here reported for six strain gauges, namely B3, B4, and B5 installed on a front leg of the external frame, as well as C1, C2, and C3 installed on the corresponding