Issue 43

D. Gentile, Frattura ed Integrità Strutturale, 43 (2018) 155-170; DOI: 10.3221/IGF-ESIS.43.12 164 Parameter Value Error A 0.3642435 0.0227864 B 7.9023084E-4 0.0016625 R SD N P 0.1486407 0.0368036 12 0.6447683 Table 2 : Linear regression for TA-1:   y A Bx In Fig. 10 and in Tab. 3 are reported the results for material designed L2. Figure 10: L2 Summary of crack resistance data. Parameter Value Error A 0.4503601 0.0437614 B -0.0019675 0.002001 R SD N P -0.2387065 0.1015897 18 0.3401201 Table 3: Linear regression for L2:   y A Bx In Fig. 11 e in Tab. 4 are reported the results for material designed L1. Parameter Value Error A 0.2498155 0.0282799 B -3.5147405E-4 0.00176 R SD N P -0.0889539 0.0444284 7 0.8495839 Table 4: Linear regression for L1:   y A Bx