Abstract
Jacket platform is one of the offshore structure where the pile is fixed at the bottom sea level. Jacket leg has a significant influence on local and global structural strength under axial and lateral loads. Jacket leg is one of the most important elements for the fixed offshore structure. On the other hand, the jacket leg is also very critical to resists not only axial compression but also lateral pressure. The objective of the present study is to analyze the ultimate strength of a jacket leg under deck load. The numerical calculation is used to analyze jacket leg due to deck load. It is assumed that the support condition is fixed at bottom sea level. The result obtained by numerical analysis is therefore presented in this study. It found that the jacket leg obtained by numerical analysis can withstand the axial compression load.
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