Table 5 Maximum applied load, fracture energy Gf, and work of fracture Wf of PPFRC SCB 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 | 3.59 | 666.4 | 16.105 | 24.167 |
SCB5-0.2–0.33/0.18 | 0.33 | 0.18 | 6.3732 | 666.4 | 92.676 | 139.069 | |
SCB5-0.2–0.66/0.34 | 0.66 | 0.34 | 6.84 | 1333.2 | 5.9243 | 4.44372 | |
SCB5-0.2–0.66/0.18 | 0.66 | 0.18 | 7.95 | 1333.2 | 15.417 | 11.564 | |
SCB5-0.2–1/0.34 | 1 | 0.34 | 12.77 | 2000 | 129.664 | 64.832 | |
SCB5-0.2–1/0.18 | 1 | 0.18 | 24.74 | 2000 | 653.718 | 326.853 | |
SCB7.5–0.2–0.33/0.34 | 75 | 0.33 | 0.34 | 8.704 | 1500 | 37.54 | 44.553 |
SCB7.5–0.2–0.33/0.18 | 0.33 | 0.18 | 13.66 | 1500 | 367.993 | 25.961 | |
SCB7.5–0.2–0.66/0.34 | 0.66 | 0.34 | 11.26 | 3000 | 208.678 | 36.695 | |
SCB7.5–0.2–0.66/0.18 | 0.66 | 0.18 | 16.7 | 3000 | 77.327 | 158.533 | |
SCB7.5–0.2–1/0.34 | 1 | 0.34 | 19.07 | 4500 | 94.962 | 88.102 | |
SCB7.5–0.2–1/0.18 | 1 | 0.18 | 27.04 | 4500 | 339.447 | 35.592 | |
SCB10-0.2–0.33/0.34 | 100 | 0.33 | 0.34 | 14.77 | 2666.4 | 118.798 | 44.553 |
SCB10-0.2–0.33/0.18 | 0.33 | 0.18 | 19.93 | 2666.4 | 69.223 | 25.961 | |
SCB10-0.2–0.66/0.34 | 0.66 | 0.34 | 22.88 | 5332.8 | 195.692 | 36.695 | |
SCB10-0.2–0.66/0.18 | 0.66 | 0.18 | 32.8 | 5332.8 | 845.427 | 158.533 | |
SCB10-0.2–1/0.18 | 1 | 0.34 | 29.37 | 8000 | 70.481 | 88.101 | |
SCB10-0.2–0.33/0.34 | 1 | 0.18 | 39.82 | 8000 | 284.735 | 35.591 |
