Online Modal Identification of Concrete Dams Using the Subspace Tracking-Based Method

Figure 15

Strong motion of Pacoima arch dam of channels in the radial direction during the Newhall earthquake: (a) channel 1; (b) channel 2; (c) channel 5; (d) channel 6; (e) channel 7; (f) channel 8.

(a)

(b)

(c)

(d)

(e)

(f)