Sectional Analysis Procedure for Reinforced Concrete Members Subjected to Pure Torsion

Table 2

Ultimate torque and the corresponding angle of twist: test versus sectional analysis results.

Specimen ID	Reinforcement layout	Test		Analysis		Analysis/test
		(kN·m)	(rad/m)	(kN·m)	(rad/m)
H-06-06	Beam 1	92	0.026	81.5	0.023	0.89	0.88
H-07-10		126.7	0.033	107.9	0.031	0.85	0.93
H-14-10		135.2	0.038	140.2	0.031	1.04	0.81
N-06-06		79.7	0.057	81.3	0.029	1.02	0.51
N-07-10		111.7	0.054	105.9	0.038	0.95	0.70
N-14-10		125	0.059	132.3	0.035	1.06	0.60
H-06-12	Beam 2	115.1	0.025	103.0	0.026	0.90	1.02
H-12-12		155.3	0.038	145.4	0.030	0.94	0.79
N-06-12		95.2	0.040	102.4	0.033	1.08	0.82
N-12-12		116.8	0.047	137.0	0.034	1.17	0.72
H-07-16	Beam 3	144.5	0.038	135.9	0.034	0.94	0.91
H-12-16		196	0.039	189.5	0.035	0.97	0.89
N-07-16		117.3	0.053	117.7	0.035	1.00	0.66
N-12-16		138	0.040	146.7	0.032	1.06	0.80
H-20-20	Beam 4	239	0.047	241.2	0.033	1.01	0.71
N-20-20		158	0.043	166.4	0.030	1.05	0.69
Average						0.99	0.78
CoV						0.08	0.13