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Table 3 Calculated axial load capacities versus experimental results.

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) Normalized load based on Eq. (4) (7) (7)/(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