Research Article
Effect of Low-Stress Fatigue on the Off-Crack-Plane Fracture Energy in Engineered Cementitious Composites
Table 2
Fracture parameters from three-point bending beams.
| | Specimen number | a0 (mm) | Pini (kN) | Pmax (kN) | CMODC (mm) | JIC (kJ/m2) | JIF (kJ/m2) |
| | V-0-1 | 60 | 0.74 | 0.902 | 0.049 | 0.011 | 0.012 | | V-0-2 | 60 | 0. 8 | 0.962 | 0.053 | 0.0081 | 0.0085 | | V-0-3 | 60 | 0.82 | 1.052 | 0.051 | 0.008 | 0.011 | | Average | — | 0.79 | 0.972 | 0.051 | 0.009 | 0.0105 | | V-2-1 | 60 | 2.75 | 7.02 | 2.12 | 0.035 | 8.1 | | V-2-2 | 60 | 2.55 | 6.9 | 2.33 | 0.032 | 7.9 | | V-2-3 | 60 | 3 | 7.1 | 1.91 | 0.038 | 7.3 | | Average | — | 2.77 | 7 | 2.12 | 0.035 | 7.77 |
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Note. V-0 and V-2 represent the fiber volume fraction of 0 and 2% in the ECC, respectively.
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