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ChapterI5 qffshore Structures Under Earthquake Loads 311
structure undergoes large deformations as well as plasticity when it is subjected to intensive
ground shaking.
- -400 600 t
Figure 15.4 Time History of Roof Displacement for the 2-D Frame
Plaslic
Figure 15.5 Offshore Jacket Platform Subjected to Earthquake Loading
Showing Distribution of Plastic Nodes (Earthquake Scale
Factor 4.5, Time 3.0 Second)
