From: Generalized Softened Variable Angle Truss Model for PC Beams under Torsion
Beam | \( M_{Tcr,\exp } \) (kN m) | \( M_{{Tcr,\text{th} }} \) (kN m) | \( \frac{{M_{Tcr,\exp } }}{{M_{{Tcr,\text{th} }} }} \) | \( \theta_{Tcr,\exp } \) (º/m) | \( \theta_{{Tcr,\text{th} }} \) º/m | \( \frac{{\theta_{Tcr,\exp } }}{{\theta_{{Tcr,\text{th} }} }} \) | \( M_{Tu,\exp } \) (kN m) | \( M_{{Tu,\text{th} }} \) (kN m) | \( \frac{{M_{Tu,\exp } }}{{M_{{Tu,\text{th} }} }} \) | \( \theta_{Tu,\exp } \) (º/m) | \( \theta_{{Tu,\text{th} }} \) (º/m) | \( \frac{{\theta_{Tu,\exp } }}{{\theta_{{Tu,\text{th} }} }} \) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
P2 (Mitchell and Collins 1974) | 58.0 | 55.4 | 1.05 | 0.14 | 0.09 | 1.55 | 87.1 | 84.5 | 1.03 | 2.80 | 1.86 | 1.50 |
P3 (Mitchell and Collins 1974) | 41.2 | 44.4 | 0.93 | 0.21 | 0.10 | 2.06 | 55.8 | 71.4 | 0.78 | 3.14 | 2.60 | 1.21 |
P8 (Hsu and Mo 1985b) | 45.2 | 47.6 | 0.95 | 0.24 | 0.21 | 1.13 | 61.8 | 67.4 | 0.92 | 1.89 | 1.66 | 1.14 |
D1 (Bernardo et al. 2013) | 172.9 | 184.4 | 0.94 | 0.07 | 0.05 | 1.41 | 396.0 | 450.6 | 0.88 | 1.73 | 1.98 | 0.87 |
D2 (Bernardo et al. 2013) | 184.7 | 178.7 | 1.03 | 0.07 | 0.08 | 0.89 | 447.7 | 434.2 | 1.03 | 1.93 | 1.68 | 1.15 |
PA1R (El-Degwy and McMullen 1985) | 18.6 | 16.9 | 1.10 | 0.14 | 0.18 | 0.78 | 21.8 | 21.4 | 1.02 | 2.98 | 4.34 | 0.69 |
PA2 (El-Degwy and McMullen 1985) | 22.8 | 23.1 | 0.99 | 0.61 | 0.23 | 2.71 | 29.3 | 31.5 | 0.93 | 2.87 | 2.85 | 1.01 |
PA3 (El-Degwy and McMullen 1985) | 25.1 | 26.7 | 0.94 | 0.38 | 0.29 | 1.31 | 34.0 | 35.2 | 0.96 | 2.68 | 2.72 | 0.98 |
PA4 (El-Degwy and McMullen 1985) | 26.3 | 28.6 | 0.92 | 0.29 | 0.26 | 1.09 | 37.4 | 40.0 | 0.94 | 2.95 | 2.37 | 1.24 |
PB1 (El-Degwy and McMullen 1985) | 16.4 | 14.9 | 1.10 | 0.51 | 0.23 | 2.23 | 22.2 | 20.5 | 1.08 | 4.47 | 4.50 | 1.00 |
PB2 (El-Degwy and McMullen 1985) | 18.9 | 17.0 | 1.11 | 0.43 | 0.23 | 1.87 | 27.5 | 29.7 | 0.93 | 2.75 | 3.24 | 0.85 |
PB3 (El-Degwy and McMullen 1985) | 21.8 | 18.6 | 1.17 | 0.56 | 0.31 | 1.81 | 32.6 | 32.9 | 0.99 | 3.08 | 2.98 | 1.03 |
PB4 (El-Degwy and McMullen 1985) | 24.1 | 22.3 | 1.08 | 0.44 | 0.26 | 1.68 | 37.6 | 36.9 | 1.02 | 2.63 | 2.55 | 1.03 |
PC1 (El-Degwy and McMullen 1985) | 13.9 | 13.5 | 1.03 | 0.71 | 0.39 | 1.83 | 19.7 | 18.0 | 1.10 | 5.23 | 4.48 | 1.17 |
PC2 (El-Degwy and McMullen 1985) | 17.2 | 19.3 | 0.89 | 0.33 | 0.22 | 1.54 | 28.6 | 26.5 | 1.08 | 3.38 | 3.46 | 0.98 |
PC3 (El-Degwy and McMullen 1985) | 18.5 | 15.9 | 1.16 | 0.55 | 0.30 | 1.80 | 32.8 | 28.8 | 1.14 | 4.74 | 3.22 | 1.47 |
PC4 (El-Degwy and McMullen 1985) | 21.6 | 22.7 | 0.95 | 0.50 | 0.32 | 1.55 | 38.7 | 33.5 | 1.16 | 3.84 | 2.71 | 1.42 |
H3AR (Wafa et al. 1995) | 22.7 | 20.4 | 1.11 | – | 0.29 | – | 33.7 | 36.8 | 0.91 | – | 2.84 | – |
H2A (Wafa et al. 1995) | 15.1 | 20.8 | 0.73 | – | 0.27 | – | 35.8 | 41.6 | 0.86 | – | 2.60 | – |
H1AR (Wafa et al. 1995) | 31.6 | 27.7 | 1.14 | – | 0.25 | – | 38.4 | 44.0 | 0.87 | – | 2.34 | – |
H3B (Wafa et al. 1995) | 20.7 | 22.6 | 0.91 | – | 0.37 | – | 26.4 | 26.8 | 0.98 | – | 3.31 | – |
H2B (Wafa et al. 1995) | 27.1 | 29.2 | 0.93 | – | 0.37 | – | 29.5 | 29.1 | 1.01 | – | 2.90 | – |
H1B (Wafa et al. 1995) | 29.9 | 27.8 | 1.07 | – | 0.37 | – | 31.3 | 30.7 | 1.02 | – | 2.85 | – |
M3A (Wafa et al. 1995) | 19.6 | 17.9 | 1.09 | – | 0.36 | – | 30.0 | 32.6 | 0.92 | – | 2.87 | – |
M2A (Wafa et al. 1995) | 27.0 | 28.8 | 0.94 | – | 0.44 | – | 31.9 | 35.3 | 0.91 | – | 2.58 | – |
M1A (Wafa et al. 1995) | 31.5 | 33.1 | 0.95 | – | 0.33 | – | 35.4 | 39.1 | 0.91 | – | 2.37 | – |
M3B (Wafa et al. 1995) | 18.3 | 15.5 | 1.18 | – | 0.38 | – | 24.7 | 24.6 | 1.01 | – | 3.48 | – |
M2B (Wafa et al. 1995) | 26.2 | 24.5 | 1.07 | – | 0.41 | – | 26.2 | 26.3 | 1.00 | – | 3.11 | – |
M1B (Wafa et al. 1995) | 26.8 | 27.5 | 0.97 | – | 0.43 | – | 28.9 | 28.6 | 1.01 | – | 2.88 | – |
\( \bar{x} \) = 1.02 | \( \bar{x} \) = 1.60 | \( \bar{x} \) = 0.98 | \( \bar{x} \) = 1.10 | |||||||||
s = 0.10 | s = 0.49 | s = 0.09 | s = 0.22 | |||||||||
cv = 10.3% | cv = 30.6% | cv = 8.8% | cv = 20.3% |