From: Simplified Design Procedure for Reinforced Concrete Columns Based on Equivalent Column Concept
Group no. | Specimen | Failure load, kN | Equivalent eccentricity, mm | Equivalent e/t | Normalized load based on experimental results (6) | ||
---|---|---|---|---|---|---|---|
Control | C-0-0 | 675 | 0.0 | 0.00 | 1.00 | 1.00 | 1.00 |
1 | S-1-1 | 450 | 10 | 0.10 | 0.67 | 0.75 | 1.12 |
S-3-3 | 300 | 30 | 0.30 | 0.44 | 0.42 | 0.94 | |
S-5-5 | 170 | 50 | 0.50 | 0.25 | 0.23 | 0.93 | |
2 | S-0-1 | 530 | 6 | 0.06 | 0.79 | 0.84 | 1.07 |
S-1-3 | 395 | 22 | 0.22 | 0.59 | 0.53 | 0.90 | |
S-1-5 | 245 | 34 | 0.34 | 0.36 | 0.37 | 1.03 | |
S-0-3 | 410 | 18 | 0.18 | 0.61 | 0.59 | 0.98 | |
S-3-5 | 220 | 42 | 0.42 | 0.33 | 0.30 | 0.91 | |
S-5-0 | 265 | 30 | 0.30 | 0.39 | 0.42 | 1.07 | |
3 | D-1-1 | 580 | 2 | 0.02 | 0.86 | 0.94 | 1.10 |
D-3-3 | 473 | 6 | 0.06 | 0.70 | 0.84 | 1.20 | |
D-5-5 | 416 | 10 | 0.10 | 0.62 | 0.75 | 1.21 | |
4 | D-1-3 | 480 | 14 | 0.14 | 0.71 | 0.67 | 0.94 |
D-1-5 | 300 | 26 | 0.26 | 0.44 | 0.47 | 1.06 | |
D-3-5 | 379 | 18 | 0.18 | 0.56 | 0.59 | 1.06 | |
Average | 1.03 | ||||||
Coefficient of variation | 0.0941 |