Table 6: Ductility index.

Model markDeflection (mm) (numerical)Ductility index (numerical)Ductility index (experimental) [11]Ratio of ductility index (numerical/experimental)
YieldUltimate

B16.6361.809.329.101.02
B211.2740.723.613.800.95
B37.1840.005.575.301.05
B412.6739.613.133.001.04
B56.2622.543.61NANA
B68.9717.942.00NANA
B710.6750.404.724.800.98
B89.6622.672.352.800.84
Mean0.98
Standard deviation0.078
Variance0.006