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Table 5 Comparative analysis for the cracking and ultimate torques—codes of practice.

From: Generalized Softened Variable Angle Truss Model for PC Beams under Torsion

Beam ACI 318R-14 (ACI Committee 318 2014) MC 10 (CEB-FIP MODEL 2010) EC 2 (NP EN 1992-1-1 1992) CAN3-A23.3-14 (CSA Standard 2014)
\( M_{Tcr,n} \)
(kN m)
\( \frac{{M_{Tcr,\exp } }}{{M_{Tcr,n} }} \) \( M_{Tu,n} \)
(kN m)
\( \frac{{M_{Tu,\exp } }}{{M_{Tu,n} }} \) \( M_{Tu,n} \)
(kN m)
\( \frac{{M_{Tu,\exp } }}{{M_{Tu,n} }} \) \( M_{Tu,n} \)
(kN m)
\( \frac{{M_{Tu,\exp } }}{{M_{Tu,n} }} \) \( M_{Tu,n} \)
(kN m)
\( \frac{{M_{Tu,\exp } }}{{M_{Tu,n} }} \)
P2 (Jeng et al. 2010) 137.18 0.42 68.11 1.28 111.28 0.78 112.13 0.78 142.08 0.613
P3 (Jeng et al. 2010) 88.74 0.46 46.26 1.21 100.27 0.56 54.41 1.03 68.95 0.809
P8 (Hsu and Mo 1985b) 75.08 0.60 30.86 2.00 36.60 1.69 116.31 0.53 64.67 0.956
D1 (Bernardo et al. 2015c) 502.16 0.34 505.64 0.78 730.46 0.54 594.78 0.67 753.65 0.525
D2 (Bernardo et al. 2015c) 515.56 0.36 548.28 0.82 612.36 0.73 644.94 0.69 817.21 0.548
PA1R (Bernardo et al. 2013) 30.55 0.61 18.23 1.20 20.28 1.07 21.45 1.02 27.18 0.802
PA2 (Bernardo et al. 2013) 35.00 0.65 19.22 1.52 23.41 1.25 37.72 0.78 47.79 0.613
PA3 (Bernardo et al. 2013) 38.33 0.65 19.18 1.77 21.26 1.60 52.17 0.65 46.65 0.729
PA4 (Bernardo et al. 2013) 43.65 0.60 19.27 1.94 21.32 1.75 71.68 0.52 47.09 0.794
PB1 (Bernardo et al. 2013) 28.70 0.57 17.01 1.31 23.05 0.96 20.01 1.11 25.36 0.876
PB2 (Bernardo et al. 2013) 32.33 0.58 16.54 1.66 25.84 1.06 34.95 0.79 42.12 0.653
PB3 (Bernardo et al. 2013) 36.41 0.60 17.30 1.88 24.10 1.35 47.06 0.69 43.91 0.742
PB4 (Bernardo et al. 2013) 41.30 0.58 17.30 2.17 23.82 1.58 67.25 0.56 43.91 0.856
PC1 (Bernardo et al. 2013) 25.83 0.54 14.73 1.34 22.10 0.89 17.33 1.14 21.96 0.897
PC2 (Bernardo et al. 2013) 29.87 0.58 13.93 2.05 25.67 1.11 30.12 0.95 35.21 0.812
PC3 (Bernardo et al. 2013) 32.72 0.57 14.13 2.32 23.09 1.42 41.22 0.80 34.17 0.960
PC4 (Bernardo et al. 2013) 37.40 0.58 14.27 2.71 23.33 1.66 57.54 0.67 34.83 1.111
H3AR (Jeng 2015) 47.48 0.48 43.09 0.78 33.03 1.02 50.69 0.66 64.23 0.525
H2A (Jeng 2015) 51.12 0.30 51.86 0.69 33.45 1.07 61.00 0.59 77.29 0.463
H1AR (Jeng 2015) 48.96 0.65 55.28 0.69 29.72 1.29 65.03 0.59 82.39 0.466
H3B (Jeng 2015) 37.37 0.55 24.04 1.10 32.13 0.82 28.28 0.93 35.84 0.737
H2B (Jeng 2015) 41.14 0.66 27.06 1.09 31.83 0.93 31.83 0.93 40.33 0.732
H1B (Jeng 2015) 42.42 0.70 29.95 1.05 27.45 1.14 35.23 0.89 44.64 0.701
M3A (Jeng 2015) 39.85 0.49 43.09 0.70 27.75 1.08 50.69 0.59 57.79 0.519
M2A (Jeng 2015) 41.60 0.65 49.19 0.65 27.08 1.18 57.86 0.55 64.37 0.496
M1A (Jeng 2015) 44.96 0.70 55.27 0.64 25.13 1.41 65.02 0.54 72.52 0.488
M3B (Jeng 2015) 31.94 0.57 24.05 1.03 26.98 0.92 28.28 0.87 35.84 0.689
M2B (Jeng 2015) 34.11 0.77 27.06 0.97 26.08 1.00 31.83 0.82 40.33 0.650
M1B (Jeng 2015) 36.07 0.74 29.95 0.96 23.88 1.21 35.23 0.82 44.64 0.647
  \( \bar{x} \) = 0.59   \( \bar{x} \) = 1.17   \( \bar{x} \) = 1.13   \( \bar{x} \) = 0.77   \( \bar{x} \) = 0.68  
  s = 0.12   s = 0.63   s = 0.22   s = 0.18   s = 0.19  
  cv = 20%   cv = 54%   cv = 20%   cv = 23%   cv = 28%