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Table 13 Theoretical compressive strength for each specimen according to models.

From: The Effect of Rebar Embedment and CFRP Confinement on the Compressive Strength of Low-Strength Concrete

(a)
Rechart et al. (Pour et al., 2018) fecc (MPa) fcc (MPa) f′co (MPa) k1 fr (MPa) fj (MPa) fecc/fcc MSE AAE
C14.77D8L3.5 (1LC) 27.65 22.61 19.55 4.1 0.74704 186.76 1.23 178.7 1.37
C14.77D8L5.5 (1LC) 27.30 22.94 19.88 0.74704 186.76 1.19
C14.77D10L3.5 (1LC) 30.32 24.59 21.53 0.74704 186.76 1.23
C14.77D10L5.5 (1LC) 31.64 25.52 21.68 0.74704 186.76 1.24
C14.77D8L3.5 (2LC) 33.71 25.67 19.55 1.49408 186.76 1.31
C14.77D8L5.5 (2LC) 34.10 26.00 19.88 1.49408 186.76 1.31
C14.77D10L3.5 (2LC) 37.15 27.65 21.53 1.49408 186.76 1.34
C14.77D10L5.5 (2LC) 38.62 28.11 21.68 1.49408 186.76 1.41
Lam and Teng (Pham & Hadi, 2014b) fecc (MPa) fcc (MPa) fco (MPa) fl (MPa) Ef (KN/mm2) εfe fecc/f′cc MSE AAE
C14.77D8L3.5 (1LC) 27.65 22.01 19.55 0.75 230 0.812 1.24 109.2 1.07
C14.77D8L5.5 (1LC) 27.30 22.34 19.88 230 0.812 1.24
C14.77D10L3.5 (1LC) 30.32 23.99 21.53 230 0.812 1.23
C14.77D10L5.5 (1LC) 31.64 24.14 21.68 230 0.812 1.31
C14.77D8L3.5 (2LC) 33.71 24.48 19.55 1.49 230 0.812 1.38
C14.77D8L5.5 (2LC) 34.10 24.81 19.88 230 0.812 1.37
C14.77D10L3.5 (2LC) 37.15 26.46 21.53 230 0.812 1.40
C14.77D10L5.5 (2LC) 38.62 26.61 21.68 230 0.812 1.45
Ali Fallahpour et al. (Wu & Zhou, 2010) fecc (MPa) fcc (MPa) fco (MPa) K1 Ef (kN/mm2) εfu kl fecc/fcc MSE AAE
C14.77D8L3.5 (1LC) 27.65 22.52 19.55 2.3045 230 1.4 0.92 1.23 166.8 1.32
C14.77D8L5.5 (1LC) 27.30 22.84 19.88 2.3012 230 1.4 0.92 1.19
C14.77D10L3.5 (1LC) 30.32 24.47 21.53 2.2847 230 1.4 0.92 1.24
C14.77D10L5.5 (1LC) 31.64 25.25 21.68 2.2718 230 1.4 0.92 1.25
C14.77D8L3.5 (2LC) 33.71 25.49 19.55 2.3045 230 1.4 1.84 1.32
C14.77D8L5.5 (2LC) 34.10 25.81 19.88 2.3012 230 1.4 1.84 1.32
C14.77D10L3.5 (2LC) 37.15 27.41 21.53 2.2847 230 1.4 1.84 1.36
C14.77D10L5.5 (2LC) 38.62 28.02 21.68 2.2718 230 1.4 1.84 1.38
(b)
ACI 440.2R (ACI440.2R-08, 2008) fecc (MPa) fcc (MPa) fco (MPa) Ψ Ef (kN/mm2) ft (MPa) кa є кε fecc/f′cc MSE AAE
C14.77D8L3.5 (1LC) 27.65 21.89 19.55 0.95 230 0.74704 1 0.812 0.58 1.26 544.5 3.37
C14.77D8L5.5 (1LC) 27.30 22.22 19.88 0.95 230 1 0.812 0.58 1.23
C14.77D10L3.5 (1LC) 30.32 23.87 21.53 0.95 230 1 0.812 0.58 1.25
C14.77D10L5.5 (1LC) 31.64 24.16 21.68 0.95 230 1 0.812 0.58 1.31
C14.77D8L3.5 (2LC) 33.71 24.23 19.55 0.95 230 1.49408 1 0.812 0.58 1.39
C14.77D8L5.5 (2LC) 34.10 24.56 19.88 0.95 230 1 0.812 0.58 1.39
C14.77D10L3.5 (2LC) 37.15 26.21 21.53 0.95 230 1 0.812 0.58 1.42
C14.77D10L5.5 (2LC) 38.62 27.35 21.68 0.95 230 1 0.812 0.58 1.41