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

Figure 13

(a) Value of SDI in the 25-story shear frame considering 5 modes for scenario I, (b) value of SDI in the 25-story shear frame considering 5 modes for scenario II, and (c) value of SDI in the 25-story shear frame considering 5 modes for scenario III.

(a)

(b)

(c)