Life extension of offshore structures : A conceptual framework and fatigue damage models

PhD thesis in Offshore technology Many offshore structures worldwide are approaching or have already exceeded their original design life. It is important to use the existing infrastructure efficiently and to estimate remaining service life accurately. Fatigue and corrosion are identified as main age...

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Bibliographic Details
Main Author: Aeran, Ashish
Other Authors: Siriwardane, Sudath
Format: Doctoral or Postdoctoral Thesis
Language:English
Published: University of Stavanger, Norway 2019
Subjects:
offshore teknologi
fatigue
corrosion
VDP::Technology: 500::Marine technology: 580::Offshore technology: 581
Arctic
Online Access:http://hdl.handle.net/11250/2622635
Description
Summary:PhD thesis in Offshore technology Many offshore structures worldwide are approaching or have already exceeded their original design life. It is important to use the existing infrastructure efficiently and to estimate remaining service life accurately. Fatigue and corrosion are identified as main ageing mechanisms for these structures. Althoug much research has been carried out on understanding these ageing processes, failure has occured and is still occuring in offshore structures. Infact, for these structures, almost 25 % of structural damage requiring repair is classified as fatigue damage.

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