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

Table 7

Torsion and rotation angle at the critical loading stage.

Specimen		Initial crack occurred		Yielding point		Maximum load
		Torsion (kN·m)	Rotation angle (10^−3 rad)	Torsion (kN·m)	Rotation angle (10^−3 rad)	Torsion (kN·m)	Rotation angle (10^−3 rad)
C1	Positive	21.09	1.77	30.06	3.69	34.58	7.16
	Negative	−21.01	−1.65	−42.97	−5.50	−55.34	−9.33
SF1	Positive	39.22	3.54	49.82	4.85	55.84	5.78
	Negative	−40.24	−2.94	−53.89	−4.59	−59.30	−6.08
SF2	Positive	45.70	4.66	56.23	5.88	60.15	6.77
	Negative	−44.93	−3.36	−59.35	−4.64	−62.62	−5.05
SF3	Positive	42.54	4.31	51.43	5.28	57.76	6.12
	Negative	−44.71	−2.76	−55.12	−4.87	−62.43	−6.33
SF4	Positive	45.24	4.47	54.97	5.76	60.75	6.87
	Negative	−47.16	−4.41	−54.88	−5.24	−59.71	−7.10
SF5	Positive	38.15	3.91	52.41	5.78	56.83	6.82
	Negative	−41.25	−2.48	−61.32	−3.45	−62.73	−4.23