The influence of effective length and reduction factor to buckling on jacket brace

Abstract

Abstract The jacket is one of the fixed typical offshore structures consists of many braces located on not only deck legs but also the jacket its self. Those braces play an essential role in supporting the structure locally and globally from internal and external loads such as deck structure, current, and wave loads. The brace length has a significant influence on local buckling of the brace and will affect the global structure so that this influence should be checked. The objective of the present study is to analyze the influence of effective length and reduction factor to buckling of jacket brace, including the reduction factor according to API RP2A. The analysis is conducted using the analytical method, and the result is compared to the numerical method, including the behavior of jacket braces.

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