Table 3 Force-displacement responses of columns S3 and S4.
From: Flexural Behavior of Circular Hollow RC Piers with Reduced Amounts of Inner Hoops
Column | Yield displacement (mm) | Ultimate displacement (mm) | Peak load (kN) | Displacement ductility (μ△) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Push (+) | Pull (−) | Avg. | Push (+) | Pull (−) | Avg. | Push (+) | Pull (−) | Avg. | Push (+) | Pull (−) | Avg. | |
S3 | 22 | 18 | 20 | 110 | 152 | 131 | 650 | 625 | 637.5 | 5.0 | 8.4 | 6.7 |
S4 | 16 | 18 | 17 | 120 | 145 | 132.5 | 675 | 520 | 597.5 | 7.5 | 8.1 | 7.8 |