Seismic Behavior of RC Bridge Piers Locally Replaced with SFRC-FA Subjected to Torsion Combined with Axial Compression

Table 9

Comparison of calculation methods of torsion bearing capacity (kN·m).

Specimens	N/N0	T0	Calculated results (kN·m)
			T1	T2	T3	T1/T0	T2/T0	T3/T0
C1	0.60	43.38	38.44	35.73	52.69	0.89	0.82	1.21
SF1	0.60	57.57	38.44	35.73	52.69	0.67	0.62	0.92
SF2	0.60	61.39	38.44	35.73	52.69	0.63	0.58	0.86
SF3	0.60	60.10	38.44	35.73	52.69	0.64	0.59	0.88
SF4	0.60	60.23	38.44	35.73	52.69	0.64	0.59	0.87
SF5	0.60	59.78	38.44	35.73	52.69	0.64	0.60	0.88
P1 [50]	0	72.90	72.51	50.22	83.70	0.99	0.69	1.15
P2 [50]	0.22	81.60	72.51	62.39	95.87	0.89	0.76	1.17
C2 [57]	0	82.30	67.60	45.66	76.10	0.82	0.55	0.92
C3 [57]	0	77.20	67.60	45.66	76.10	0.88	0.59	0.99
C4 [57]	0	95.50	95.60	64.58	107.63	1.00	0.68	1.13
C5 [57]	0	100.70	95.60	64.58	107.63	0.95	0.64	1.07
C6 [57]	0.52	109.70	87.27	71.88	111.18	0.80	0.66	1.01
C7 [57]	0.52	96.30	67.60	58.59	89.03	0.70	0.61	0.92
R1 [58]	1.33	37.93	24.27	0.64	27.43	0.72	35.25	0.93
R2 [58]	1.33	33.46	24.27	0.73	27.43	0.82	35.25	1.05
R3 [58]	1.24	31.31	23.87	0.76	27.43	0.88	34.84	1.11
R4 [58]	1.86	35.73	24.91	0.70	27.43	0.77	35.89	1.00
R5 [58]	1.73	31.38	24.47	0.78	27.43	0.87	35.44	1.13
R6 [58]	2.27	38.34	25.32	0.66	27.43	0.72	36.30	0.95
R7 [58]	2.00	31.00	24.45	0.79	27.43	0.88	35.42	1.14
R8 [58]	2.17	40.35	27.81	0.69	32.46	0.80	40.80	1.01
R9 [58]	1.14	52.10	35.19	0.68	44.76	0.86	53.10	1.02
Statistical analysis	Numbers of specimens		23	Average		0.80	0.67	1.01
				Mean square error		0.013	0.006	0.012
				Coefficient of variation		0.144	0.112	0.107