From: Experimental and Analytical Studies of U-Shaped Thin-Walled RC Beams Under Combined Actions of Torsion, Flexure and Shear
Beams
Cracking torque (kNm)
Test/calculation
Test
Calculation
MEM-1:5
4.5
4.7
0.96
MEM-1:1
9.6
10.2
0.94
MEM-1:0
17.3
16.9
1.02
MEM-Collins-1:0
23
18.5
1.24
Average value
1.04
SD
0.12
Coefficient of variation
11.5%