Research Article
Experimental Torsional Capacity of Plain Concrete Beams Made from Crushed Clay Brick and Recycled Brick Concrete as Coarse Aggregate
Table 6
Torsional properties of NSAC, VBAC, RSAC, and RBAC.
| | Concrete type | Target strength (MPa) | Ultimate torque (kN m) | Twist at ultimate torque (rad/m) | Initial torsional stiffness (kN m2) | Torsional toughness (kN m/m) |
| | NSAC18.9 | 18.9 | 2.731 | 5.06E-03 | 698.086 | 8.06E-03 | | NSAC20.7 | 20.7 | 2.893 | 5.14E-03 | 797.431 | 8.86E-03 | | NSAC22.4 | 22.4 | 3.062 | 5.23E-03 | 871.159 | 9.73E-03 | | NSAC24.1 | 24.1 | 3.201 | 5.36E-03 | 928.424 | 1.05E-02 | | VBAC18.9 | 18.9 | 2.592 | 4.82E-03 | 361.139 | 5.54E-03 | | VBAC20.7 | 20.7 | 2.734 | 4.97E-03 | 372.872 | 6.26E-03 | | VBAC22.4 | 22.4 | 2.879 | 5.08E-03 | 448.18 | 7.09E-03 | | VBAC24.1 | 24.1 | 3.024 | 5.13E-03 | 484.129 | 7.63E-03 | | RSAC18.9 | 18.9 | 2.554 | 4.79E-03 | 632.642 | 6.84E-03 | | RSAC20.7 | 20.7 | 2.685 | 4.93E-03 | 723.144 | 7.72E-03 | | RSAC22.4 | 22.4 | 2.831 | 4.98E-03 | 828.816 | 8.54E-03 | | RSAC24.1 | 24.1 | 2.967 | 5.08E-03 | 880.775 | 9.24E-03 | | RBAC18.9 | 18.9 | 2.482 | 4.61E-03 | 294.861 | 4.72E-03 | | RBAC20.7 | 20.7 | 2.594 | 4.74E-03 | 320.179 | 5.26E-03 | | RBAC22.4 | 22.4 | 2.716 | 4.81E-03 | 391.744 | 5.91E-03 | | RBAC24.1 | 24.1 | 2.793 | 4.89E-03 | 420.311 | 6.36E-03 |
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