روشهای احتمالاتی در تحلیل سکوهای ثابت فلزی دریایی خلیج فارس تحت بارگذاری امواج

In this paper, using two different methods, probability of failure is calculated for three offshore platforms in Persian Gulf. In first method, uncertainties are applied as a magnification factor in calculation of failure probability, whereas in the second method these uncertainties are considered directly for uncertainty parameters. The parameters of wave height hazard curve for eight directions of platforms with statistical analysis were obtained. These parameters are necessary for calculation of failure probability. Finally an analytical comparison has been carried out between two mentioned methods. These methods can be used for assessment of existing platforms and capacity analyses of new platforms.