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RESEARCH PAPERS: Offshore Mechanics

Ultimate Strength and Post-Ultimate Strength Behavior of Damaged Tubular Members in Offshore Structures

[+] Author and Article Information
T. Yao

Department of Naval Architecture and Ocean Engineering, Hiroshima University, Higashihiroshima, Japan

J. Taby, T. Moan

Division of Marine Structure, University of Trondheim/The Norwegian Institute of Technology, Trondheim, Norway

J. Offshore Mech. Arct. Eng 110(3), 254-262 (Aug 01, 1988) (9 pages) doi:10.1115/1.3257059 History: Received January 01, 1986; Revised September 08, 1987; Online October 30, 2009

Abstract

An idealized structural unit model is constructed to represent the pre and post-ultimate strength behavior of a damaged tubular member with various boundary conditions subjected to various end loads. Local denting and overall permanent lateral deflection are considered as a damage. The calculated results using this model are compared with a large number of previous and new experimental results. A parametric study regarding the influence of damages on the ultimate strength of tubular members is also performed.

Copyright © 1988 by ASME
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