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Time-variant corrosion degradation, hull girder strength and fatigue assessment for ageing double hull tankers

Lookup NU author(s): Du-O Ok, Dr Yongchang Pu


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The paper investigates various existing general corrosion models for tanker structures and compares the time variant neutral axis, section modulus at deck and section modulus at keel based on various years of service. Simplified formulas to estimate time variant vertical/horizontal section modulus degradation and stress change at upper deck and keel are developed based on the double hull tanker. A fatigue assessment study which considers the new corrosion degradation model is carried out for the side shell plates of a North Sea operating shuttle tanker and of a world wide operating tanker. Copyright © 2005 by The International Society of Offshore and Polar Engineers.

Publication metadata

Author(s): Ok D, Pu Y

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Proceedings of the International Offshore and Polar Engineering Conference

Year of Conference: 2005

Pages: 703-710

Publisher: International Society of Offshore and Polar Engineers

Library holdings: Search Newcastle University Library for this item

ISBN: 1880653648