Experimental and Numerical Study on Modal Dynamic Response of Water-Surrounded Slender Bridge Pier with Pile Foundation

Figure 7

Power spectral density curves transformed from the acceleration signals shown in Figure 6, corresponding to (a)  m along -axis; (b)  m along -axis; (c)  m along -axis; (d)  m along -axis.

(a)

(b)

(c)

(d)