Abstract
In transit condition, jack up rig is a type of floating structures with large dimensions. The leg structures of jack up rig are raised up during transit, therefore they are not directly subjected to wave and current loads, they just bear inertial forces due to system’s shake caused by wave and current actions and other loads. To analyze strength of the leg structures of jack up rig in transit condition in accordance with current code and standards, it needs to solve two important problems which are to determine the jack up rig’s motions and the inertial forces acting on leg structures due to the motion mentioned above. In the this article, these issues will be clarified through an example of 400-feet jack-up rig which is fabricated in Vietnam.
Published Version
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