| Specimens | Test Results | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Dimensions (cm) (b x h x l) |
fc (MPa) |
Steel reinforcement | Stirrups spacing (mm) |
plong (%) |
Steel Jacketing | Fmax (kN) |
Fu (kN) |
εcc | εccu | |
| CCI1 | 22x30x130 | 24.00 | Type A | 80 | 0.02083 | NO | 2476 | 2104 | 0.0036 | 0.0146 |
| CCI2 | 22x30x130 | 24.00 | Type A | 80 | 0.02083 | NO | 2285 | 1942 | 0.0051 | 0.0252 |
| CCI3 | 22x30x130 | 24.00 | Type B | 150 | 0.02083 | NO | 2055 | 1746 | 0.0028 | 0.0095 |
| CCI4 | 22x30x130 | 24.00 | Type B | 150 | 0.02083 | NO | 1845 | 1568 | 0.0029 | 0.0072 |
| CCIR1 | 22x30x130 | 24.00 | Type B | 150 | 0.02542 | YES | 2240 | 2074 | 0.0102 | 0.0202 |
| CCII1 | 22x30x122 | 12.65 | Type B | 150 | 0.01027 | NO | 1142 | 971 | 0.0040 | 0.0076 |
| CCII2 | 22x30x122 | 12.65 | Type B | 150 | 0.01027 | NO | 1195 | 1015 | 0.0044 | 0.0077 |
| CCIIR1 | 22x30x122 | 12.65 | Type B | 150 | 0.02542 | YES | 1849 | 1572 | 0.0288 | 0.0331 |
| CCIIR2 | 22x30x122 | 12.65 | Type B | 150 | 0.02542 | YES | 1882 | 1600 | 0.0220 | 0.0287 |
| CCIIR3 | 22x30x122 | 12.65 | Type B | 150 | 0.02542 | YES | 1898 | 1613 | 0.0336 | 0.0438 |