Abstract
Any kind of deck on an offshore structure is very important to place everything and doing anything on it. The deck must be strong to withstand any load acting on it not only in vertical but also in a horizontal direction. Besides, many equipment placed in the deck, so that needs to be evaluated for the safety activities. The objective of the present study is to analyze the deck structure of jack-up under axial life load. The small section of the deck is taken and modeled consists of a plate and stiffened plate. The boundary condition is applied to the model including axial compression load. The thickness of the attached plating is simulated and analyzed to obtain the behavior of the model. The behavior of the model is represented by stress and deformation. For the simple analysis, the welding residual stress, crack, and initial imperfection are not taken. There are four cases for boundary conditions with different thickness of the model is analyzed. The result obtains by the numerical analysis is presented together with the behavior in term of stress and deformation.
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