Research Article
Bond-Slip Models for FPR-Concrete Interfaces Subjected to Moisture Conditions
Table 2
Regression coefficients and fracture energies of all the specimens.
| Specimens | Exposure duration (months) | (N/mm2) | (mm) | A | B | | (N/mm) | Normalized |
| SB-A-0 | 0 | 230000 | 0.111 | 0.00766 | 10.96 | 0.95 | 0.749 | 1.00 | SB-A-6 | 6 | 230000 | 0.111 | 0.01066 | 6.08 | 0.93 | 1.451 | 1.94 | SB-A-12 | 12 | 230000 | 0.111 | 0.00693 | 12.62 | 0.95 | 0.614 | 0.82 | SB-A-18 | 18 | 230000 | 0.111 | 0.00733 | 9.79 | 0.97 | 0.686 | 0.92 |
| SB-B-0 | 0 | 230000 | 0.111 | 0.00652 | 14.46 | 0.95 | 0.543 | 1.00 | SB-B-6 | 6 | 230000 | 0.111 | 0.00622 | 13.02 | 0.97 | 0.494 | 0.91 | SB-B-12 | 12 | 230000 | 0.111 | 0.00621 | 11.74 | 0.94 | 0.493 | 0.91 | SB-B-18 | 18 | 230000 | 0.111 | 0.00591 | 12.06 | 0.96 | 0.446 | 0.82 |
| SB-C-0 | 0 | 230000 | 0.218 | 0.00699 | 10.73 | 0.97 | 1.225 | 1.00 | SB-C-6 | 6 | 230000 | 0.218 | 0.00616 | 10.88 | 0.93 | 0.952 | 0.78 | SB-C-12 | 12 | 230000 | 0.218 | 0.00561 | 12.12 | 0.95 | 0.790 | 0.64 | SB-C-18 | 18 | 230000 | 0.218 | 0.00664 | 10.19 | 0.95 | 1.106 | 0.90 |
| SB-D-0 | 0 | 240000 | 0.176 | 0.00599 | 11.81 | 0.95 | 0.758 | 1.00 | SB-D-6 | 6 | 240000 | 0.176 | 0.00549 | 13.93 | 0.92 | 0.637 | 0.84 | SB-D-12 | 12 | 240000 | 0.176 | 0.00451 | 16.81 | 0.96 | 0.430 | 0.57 | SB-D-18 | 18 | 240000 | 0.176 | 0.00542 | 14.99 | 0.97 | 0.621 | 0.82 |
| SB-E-0 | 0 | 245000 | 0.333 | 0.00336 | 14.40 | 0.97 | 0.461 | 1.00 | SB-E-6 | 6 | 245000 | 0.333 | 0.00399 | 13.72 | 0.92 | 0.650 | 1.41 | SB-E-12 | 12 | 245000 | 0.333 | 0.00389 | 10.98 | 0.93 | 0.618 | 1.34 | SB-E-18 | 18 | 245000 | 0.333 | 0.00432 | 13.99 | 0.95 | 0.762 | 1.65 |
| SB-F-0 | 0 | 210000 | 1.4 | 0.00201 | 17.44 | 0.97 | 0.594 | 1.00 | SB-F-6 | 6 | 210000 | 1.4 | 0.00238 | 15.72 | 0.96 | 0.833 | 1.40 | SB-F-12 | 12 | 210000 | 1.4 | 0.00240 | 13.36 | 0.96 | 0.847 | 1.43 | SB-F-18 | 18 | 210000 | 1.4 | 0.00241 | 15.50 | 0.95 | 0.854 | 1.44 |
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