From: Experimental Investigation on the Force-Crack Quantification Model for HSRC Columns with Flexure–Shear and Shear Failure Modes
Damage level
Suggested value
Flexure–shear failure
Shear failure
I
< 0.50%
< 0.30%
II
0.50–1.00%
0.30%–0.60%
III
1.00%–∆Vmax
0.60%–∆Vmax
IV
∆Vmax–∆0.8Vmax
V
> ∆0.8Vmax