Table 9 Statistical analysis of shear strength prediction models for low strength SFRC beams with a/d ≥ 2.5 and plain and crimped fibers (LS-SB-PC).
Study | V EXP /V ANA | AAE | λ 2 | R 2 | Ratingb (1–9) | |||
|---|---|---|---|---|---|---|---|---|
Mean | SD | COV (%) | Confidencea | |||||
Greenough and Nehdi (2008) | 1.29 | 0.25 | 19.58 | 0.09 | 174.3 | 51.0 | 0.36 | 8 |
Imam et al. (1994) | 1.15 | 0.27 | 23.13 | 0.09 | 22.6 | 5.8 | 0.19 | 7 |
Khuntia et al. (1999) | 1.28 | 0.25 | 19.43 | 0.09 | 21.1 | 8.3 | 0.43 | 4 |
Kwak et al. (2002). | 1.02 | 0.24 | 23.95 | 0.09 | 18.5 | 4.4 | 0.24 | 6 |
Li et al. (1992) | 0.84 | 0.13 | 15.91 | 0.05 | 23.7 | 4.0 | 0.33 | 2 |
Narayanan and Darwish (1988) | 1.06 | 0.24 | 22.17 | 0.08 | 17.6 | 4.2 | 0.39 | 3 |
Sharma (1986) | 1.15 | 0.22 | 18.82 | 0.08 | 18.6 | 5.2 | 0.12 | 5 |
Proposed model | 1.00 | 0.12 | 12.28 | 0.04 | 9.8 | 1.4 | 0.60 | 1 |