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علوم نفت 2013
جزئیات رویداد
اینستاگرام تی پی بین
همایش ، رویداد ، ژورنال
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  • a new bracing system for improvement of seismic performance of steel jacket type offshore platforms with float-over-deck

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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1066
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     in this paper, the seismic response of a newly designed steel jacket offshore platform with a float over deck (fod) system in the persian gulf was investigated through incremental dynamic analysis. comparison of incremental dynamic analysis results for both directions of the platform shows that the lateral strength of the platform in the float over direction is less than its lateral strength in other direction. dynamic characteristics measurement of a scale model of platform was also performed using forced vibration tests. from experimental measurement of the scaled model, it was observed that dynamic characteristic of the platform is different in the float over direction compared to the other direction. therefore, a new offshore installed bracing system for the float over direction was proposed for improvement of seismic performance of this type of platform. finally, the structure with the modified system was assessed using the probabilistic seismic assessment method as well as experimental measurement of its dynamic characteristics. it was observed that the proposed offshore installed bracing system improves the performance of platforms subjected to strong ground motion

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