Table 5 The maximum radial confining stress and the maximum circumferential confining stress experienced by the confined concrete in columns S3 and S4.
From: Flexural Behavior of Circular Hollow RC Piers with Reduced Amounts of Inner Hoops
Column | fr-max (MPa) | fcr-max (MPa) | f′cc/f′c |
|---|---|---|---|
S3 | 1.68 | 4.67 | 1.45 |
S4 | 1.93 | 4.49 | 1.53 |
Solid | 2.34 | 2.34 | 1.39 |