Research Article

A Two-Stage Method for Structural Damage Prognosis in Shear Frames Based on Story Displacement Index and Modal Residual Force

Table 4

The considered damage scenarios in the ten-story shear frame.

Damage scenarioDamage locationStiffness reduction (%)

IStory 520
IIStories 2 and 810 and 15
IIIStories 3, 5, and 1020, 10 and 5