Bearing Repair and Monitoring for Poyanghu Cable-Stayed Bridge

Figure 12

Mode shapes for intact and damaged cases. (a) 1^st mode for intact case (1.13 Hz). (b) 1^st mode for damaged case (0.98 Hz). (c) 2^nd mode for intact case (1.44 Hz). (d) 2^nd mode for damaged case (1.33 Hz). (e) 3^rd mode for intact case (1.51 Hz). (f) 3^rd mode for damaged case (1.5 Hz). (g) 4^th mode for intact case (1.67 Hz). (h) 4^th mode for damaged case (1.57 Hz). (i) 5^th mode for intact case (2.13 Hz). (j) 5^th mode for damaged case (1.94 Hz).

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(b)

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(d)

(e)

(f)

(g)

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(j)