Research Article

Seismic Performance of Offshore Piers under Wave Impact and Chloride Ion Corrosion Environment

Table 8

Comparison of bearing capacity of corroded piers under different tsunami waves.

Bearing capacity (kN)Wave condition0 years10 years20 years30 years40 years50 years

TransverseNo wave1136
0%
1007
−11.4%
910
−19.9%
823
−27.6%
711
−37.4%
589
−48.2%
HXB-31086
−4.5%
951
−16.4%
850
−25.2%
752
−33.8%
511
−55.0%
488
−57.0%
HXB-41030
−9.3%
904
−20.4%
815
−28.3%
709
−37.7%
450
−60.4%
Destruction
HXB-51006.28
−11.45%
837
−26.3%
758
−33.3%
661
−41.8%
DestructionDestruction

VerticalNo wave77832
0%
72806
−6.5%
70890
−8.9%
69832
−10.3%
67250
−13.6%
65298
−16.1%
HXB-372377
−7.0%
67183
−13.7%
64216
−17.5%
62036
−20.3%
58845
−24.4%
55959
−28.1%
HXB-465993
−15.2%
61327
−21.2%
58781
−24.5%
56232
−27.8%
52123
−33.0%
Destruction
HXB-561403
−21.1%
57848
−25.7%
54759
−29.6%
52981
−31.9%
DestructionDestruction

Note. The ratio is the value of bearing capacity of damaged pier compared with that of the undamaged pier.