Table 3: Summaries of the column specimens test results.

Specimen12L-0.212L-0.69L-0.29L-0.6

Ultimate strength concrete (MPa)4.803.804.005.40
Longitudinal reinforcing ratio0.750.750.310.31
Maximum lateral load (kN)23.2516.3213.8015.65
Drift at maximum load (%)1.501.261.500.76
Lateral load at 80% of peak load (kN)18.6013.0611.4012.52
Drift at 80% of peak load (%)3.001.763.081.26
Lateral load at axial failure (kN)0.891.200.670.85
Drift at axial failure (%2)3.491.764.061.79