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RESEARCH PAPERS: Offshore Mechanics

Residual Strength of Dented Tubulars: Impact Energy Correlation

[+] Author and Article Information
D. M. Richards, A. Andronicou

Lloyd’s Register of Shipping, London, England

J. Energy Resour. Technol 107(4), 485-492 (Dec 01, 1985) (8 pages) doi:10.1115/1.3231223 History: Received July 17, 1984; Revised April 23, 1985; Online October 22, 2009

Abstract

A procedure for the analysis of the damage of tubular members by denting and bending under lateral load is described. This leads to a relationship between impact energy and consequent damage. A large displacement, elasto-plastic analysis of dented tubular columns with imperfect straightness is introduced, which allows the effect of impact energy on member residual strength to be determined. Examples of damage reported from offshore structures are used to illustrate the analysis.

Copyright © 1985 by ASME
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