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Table 16 Suggested drift ratio for each damage level.

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

Vmax–∆0.8Vmax

V

> ∆0.8Vmax

> ∆0.8Vmax

  1. Vmax is the drift ratio at maximum strength of member and ∆0.8Vmax is the drift ratio at 80% of maximum strength of member