Bearing Repair and Monitoring for Poyanghu Cable-Stayed Bridge

Figure 19

Low-order instability shapes for different cases. (a) 1^st order for damaged case. (b) 1^st order for emergency rescue case (repair scheme 2). (c) 2^nd order for damaged case. (d) 2^nd order for emergency rescue case (repair scheme 2). (e) 3^rd order for damaged case. (f) 3^rd order for emergency rescue case (repair scheme 2). (g) 4^th order for damaged case. (h) 4^th order for emergency rescue case (repair scheme 2). (i) 5^th order for damaged case. (j) 5^th order for emergency rescue case (repair scheme 2).

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)