Impact of Plastic Hinge Properties on Capacity Curve of Reinforced Concrete Bridges

Table 6

Plastic curvature capacity of Pier #2 old columns, Bridge #1-.

Axial load level	Axial; (kips)	Direction	Compression failure; Unconfined	Buckling of long. rebars	Fracture of long. rebars	Low-cycle fatigue of long. rebars	Failure in the lap-splice zone
			rad/in.
		T & L	0.0002197	0.0001173	0.0056480	0.0020726	0.0011435
		T	0.0004549	0.0003543	0.0040599	0.0020726	0.0014724
		L	0.0006400	0.0006224	0.0037028	0.0020726	0.0017314
	0.0	T & L	0.0011457	0.0024662	0.0033434	0.0020726	0.0024387

1 kip = 4.45 kN; 1 k⋅ft = 0.00135 kN⋅m; = −3868.6 kips and = 782.6 kips.