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

Table 4

Bridge #3-E columns’ geometric properties and reinforcement details.

	Pier #2	Pier #3	Pier #4
Column
Clear length (ft)	22.5	22.0	21.5
Shape	Square	Rectangular	Square
Dimensions (in.)	30	Width = 30; Depth = 24	30
Compressive strength (ksi)	4.0	4.0	4.0
Longitudinal reinforcement
Size and number	8#10	8#9	8#10
Yield strength (ksi)	40	40	40
Transverse reinforcement
Type	Hoop	Hoop	Hoop
Size and number	1#3	1#3	1#3
Spacing (in.)	12.0	12.0	12.0
Lap splice
Within plastic hinge	Yes	Yes	Yes
Length (in.)	50.0	44.0	50.0