Issue 29

M. Scafè et alii, Frattura ed Integrità Strutturale, 29 (2014) 399-409; DOI: 10.3221/IGF-ESIS.29.35 403 ν = Poisson’s ratio % Bending = percent bending of the specimen CV % = coefficient of variation Material C σ max % Bending Midpoint Failure C1 41.0 1.7 -2.7 C2 40.8 3.3 9.1 C3 40.7 4.4 -12.3 C4 39.7 18.6 4.0 C5 44.2 7.9 5.0 C6 36.9 10.1 -20.9 C7 42.9 7.9 -15.1 C8 39.8 - - C9 40.1 - - C10 40.2 - - C11 39.5 - - C12 41.4 - - Mean Value 40.6 - - Std. Deviation 1.8 - - CV % 4.4 - - Material D σ max % Bending Midpoint Failure D1 61.9 -15.3 24.6 D2 64.1 -8.7 -23.1 D3 68.8 -7.9 -1.3 D4 64.8 -16.3 18.9 D5 64.4 -13.1 -5.9 D6 68.1 - - D7 65.3 - - D8 67.8 - - D9 69.6 - - D10 71.2 - - D11 70.0 - - D12 64.1 - - Mean Value 66.7 - - Std. Deviation 2.9 - - CV % 4.3 - - Table 4 : Compressive test results of C samples (normalized results). Table 5 : Compressive test results of D samples (normalized results). Material A σ max % Bending Midpoint Failure A1 37.9 4.9 -9.3 A2 35.0 8.3 30.0 A3 36.0 1.2 -17.1 A4 36.8 9.4 -8.7 A5 35.1 16.2 40.0 A6 42.1 - - A7 35.2 - - A8 36.9 - - A9 39.3 - - A10 40.0 - - A11 39.4 - - A12 39.2 - - Mean Value 37.7 - - Std. Deviation 2.3 - - CV % 6.1 - - Material B σ max % Bending Midpoint Failure B1 62.5 0.5 -2.9 B2 66.5 5.7 -17.4 B3 63.7 6.7 -29.8 B4 64.2 7.9 15.0 B5 64.6 19.6 1.8 B6 66.5 - - B7 67.3 - - B8 63.4 - - B9 65.3 - - B10 63.8 - - B11 62.6 - - B12 60.8 - - Mean Value 64.3 - - Std. Deviation 1.9 - - CV % 3.0 - - Table 2 : Compressive test results of A samples (normalized results). Table 3 : Compressive test results of B samples (normalized results).