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Proceedings Paper

The Application of Thermoelastic Techniques in Determining Stress Distributions in Cast Tubular Joints
Author(s): A. Wood; D. C. Hurden; P. Forsyth
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Paper Abstract

This paper describes the use of thermoelastic stress analysis techniques on a cast steel tubular joint, and compares the results with other stress analysis methods. The joint analysed was a 4 scale replica of four cast joints installed on Conoco's Victor JD platform in the Southern North Sea. These Joints represented the first use of cast joints in a fixed offshore platform in the North Sea. The use of SPATE was part of a comprehensive programme of tests on two cast joints to determine the overall distribution of stress under various loading conditions and to assess their fatigue performance. Because of the complex geometry of these components a number of stress analysis techniques were used to build up an accurate picture of stress distributions and the location of stress concentrators. The use of thermoelastic techniques enhanced the understanding of the behaviour of cast x-joints under various loading conditions. Overall it is considered that the results of the research programme will greatly assist in the development of a rational design and inspection procedure for cast joints in an offshore environment.

Paper Details

Date Published: 1 April 1987
PDF: 8 pages
Proc. SPIE 0731, Stress Analysis by Thermoelastic Techniques, (1 April 1987); doi: 10.1117/12.937896
Show Author Affiliations
A. Wood, Wimpey Offshore Engineers and Constructors Limited (England)
D. C. Hurden, Conoco (UK)
P. Forsyth, Wimpey Offshore Engineers and Constructors Limited (England)

Published in SPIE Proceedings Vol. 0731:
Stress Analysis by Thermoelastic Techniques
B. C. Gasper, Editor(s)

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