On the structural integrity of damaged columns of semi-submersible platforms
by Marco A. Maddalena; Theodoro A. Netto; Júlio C.R. Cyrino
International Journal of Computer Applications in Technology (IJCAT), Vol. 43, No. 3, 2012

Abstract: Offshore platforms are usually designed to sustain moderate or severe damages caused, in most cases, by the impact of a supply vessel due to an accidental drift or manoeuvre. As the available design codes do not specifically establish repair procedures for damaged columns, operators have been forced to perform major and costly restoration of the affected areas. In this work, the structural behaviour under compression of intact and damaged cylindrical shells with reinforcements is studied through a series of small-scale experiments and through a non-linear numerical model based on the finite element method. In light of the obtained experimental and numerical results, a very simple and effective repair technique is evaluated.

Online publication date: Tue, 03-Apr-2012

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