Table 4 Maximum applied load, fracture energy Gf, and work of fracture Wf of HSCSCB specimens according to AASHTO TP105.
Specimen | Radius, R(mm) | t/R | S2/S1 | Fmax (kN) | ligament area (mm2) | Wf (kN.mm) | Gf (N/mm) |
---|---|---|---|---|---|---|---|
SCB5-0.2–0.33/0.34 | 50 | 0.33 | 0.34 | 3.34 | 666.4 | 17.373 | 26.069 |
SCB5-0.2–0.33/0.18 | 0.33 | 0.18 | 6.37 | 666.4 | 92.491 | 138.792 | |
SCB5-0.2–0.66/0.34 | 0.66 | 0.34 | 4.99 | 1333.2 | 25.798 | 19.351 | |
SCB5-0.2–0.66/0.18 | 0.66 | 0.18 | 7 | 1333.2 | 26.43 | 19.824 | |
SCB5-0.2–1/0.34 | 1 | 0.34 | 8.389 | 2000 | 23.677 | 11.838 | |
SCB5-0.2–1/0.18 | 1 | 0.18 | 9.27 | 2000 | 63.309 | 31.654 | |
SCB7.5–0.2–0.33/0.34 | 75 | 0.33 | 0.34 | 4.3 | 1500 | 13.285 | 8.856 |
SCB7.5–0.2–0.33/0.18 | 0.33 | 0.18 | 7.98 | 1500 | 246.09 | 164.06 | |
SCB7.5–0.2–0.66/0.34 | 0.66 | 0.34 | 7.7 | 3000 | 22.483 | 7.494 | |
SCB7.5–0.2–0.66/0.18 | 0.66 | 0.18 | 16.6 | 3000 | 437.893 | 145.964 | |
SCB7.5–0.2–1/0.34 | 1 | 0.34 | 13.1 | 4500 | 121.869 | 27.082 | |
SCB7.5–0.2–1/0.18 | 1 | 0.18 | 23.18 | 4500 | 505.378 | 112.306 | |
SCB10-0.2–0.33/0.34 | 100 | 0.33 | 0.34 | 9.63 | 2666.4 | 34.023 | 12.759 |
SCB10-0.2–0.33/0.18 | 0.33 | 0.18 | 15.88 | 2666.4 | 257.779 | 96.676 | |
SCB10-0.2–0.66/0.34 | 0.66 | 0.34 | 21.38 | 5332.8 | 195.692 | 36.695 | |
SCB10-0.2–0.66/0.18 | 0.66 | 0.18 | 32.78 | 5332.8 | 437.633 | 82.064 | |
SCB10-0.2–1/0.18 | 1 | 0.34 | 28.34 | 8000 | 85.673 | 106.25 | |
SCB10-0.2–0.33/0.34 | 1 | 0.18 | 37.44 | 8000 | 487.189 | 60.898 |