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Time-variant Reliability Analysis of Offshorre Structure Subject to Multiple Hazards
, M.Sc. Thesis Sharif University of Technology ; Golafshani, Ali Akbar (Supervisor) ; Mahsuli, Mojtaba (Supervisor)
Abstract
The main purpose in this study is the determination of offshore structures reliability index over time by considering the simultaneous effects of natural hazards. Importance of this study stems from the effect of events associated with time which induces high amount of uncertainties on offshore structures performance during their life time. Extreme wave, marine current, earthquake, fatigue, corrosion and marine growth hazards are considered in this paper. The intensity and occurrence time of all hazards are time dependent parameter. In addition some of these hazards have the possibility to coincidence and the interaction effect. Whereas, the previous studies in this field, the effect of each...