Issue 46

L. Sorrentino et alii, Frattura ed Integrità Strutturale, 46 (2018) 285-294; DOI: 10.3221/IGF-ESIS.46.26 292 Figure 8 : Trend of load vs displacement in 3-point bending test: Stone 3mm+Adhesive AF163-2k+ core DIAB P60. Stone type Core type Adhesive Stone thickness [mm] Weight [kg/m 2 ] PI [N*m 2 /Kg] Hybrid panel Stone Diff. Hybrid panel Stone Diff. Perlato Coreno marble DIAB P60 EC-2216 3 18.12 39.75 54.42% 114.29 26.55 330% AF163-2k 3 18.28 39.75 54.01% 122.76 26.55 362% Fibrelam AF163-2k 3 11.12 34.45 67.72% 138.35 30.64 352% Absolute Black granite DIAB P60 EC-2216 3 20.00 45.45 56.00% 119.58 44.63 168% AF163-2k 3 19.61 45.45 56.85% 131.69 44.63 195% Fibrelam AF163-2k 3 12.50 39.39 68.27% 102.72 51.50 99% Perlato Coreno marble DIAB P60 EC-2216 4 20.50 42.40 51.65% 122.52 28.32 333% AF163-2k 4 19.67 42.40 53.61% 153.08 28.32 441% Fibrelam AF163-2k 4 14.62 37.10 60.59% 144.32 32.37 346% Absolute Black granite DIAB P60 EC-2216 4 22.43 48.48 53.73% 135.06 47.61 184% AF163-2k 4 22.16 48.48 54.29% 157.06 47.61 230% Fibrelam AF163-2k 4 15.94 42.42 62.42% 146.47 54.41 169% Perlato Coreno marble DIAB P60 EC-2216 6 24.70 47.70 48.22% 132.60 31.86 316% AF163-2k 6 25.76 47.70 46.00% 151.57 31.86 376% Fibrelam AF163-2k 6 18.81 42.40 55.64% 147.22 35.85 311% Absolute Black granite DIAB P60 EC-2216 6 28.14 54.54 48.40% 155.36 53.56 190% AF163-2k 6 27.90 54.54 48.84% 171.95 53.56 221% Fibrelam AF163-2k 6 21.94 48.48 54.74% 131.50 60.25 118% Table 3 : PI comparison between sandwich structure and stone.