Assessment of Methods in Girth Welds of Steel Pipelines

Abstract:

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This paper presents two basic methods for the assessment of failed girth welds of steel hydrocarbon transporting pipelines. One of them is based on the principles of linear elastic fracture mechanics (LEFM) and stress intensity factor conception for planar material discontinuities, and the other can be used for the complex assessment of all kinds of occurring defects. The results of the presented methods are compared to the results of burst test of pipeline sections containing a failed girth weld and cut from a Hungarian gas pipeline.

Info:

Periodical:

Materials Science Forum (Volumes 473-474)

Edited by:

J. Gyulai

Pages:

243-248

DOI:

10.4028/www.scientific.net/MSF.473-474.243

Citation:

G. Nagy et al., "Assessment of Methods in Girth Welds of Steel Pipelines", Materials Science Forum, Vols. 473-474, pp. 243-248, 2005

Online since:

January 2005

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Price:

$35.00

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