Journal
JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH
Volume 61, Issue 8, Pages 1185-1204Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jcsr.2005.02.010
Keywords
pipeline; corrosion; burst pressure
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The loss of metal in a pipeline due to corrosion usually results in localized pits with various depths and irregular shapes on its external and internal surfaces. The effect of external corrosion defects was studied via a series of small-scale experiments and through a nonlinear numerical model based on the finite element method. After calibration was conducted, based on the experimental results, the model was used to determine the burst pressure as a function of material and geometric parameters of different pipes and defects. This paper briefly summarizes these results, which are subsequently used to develop a simple procedure for estimating the burst pressure of corroded pipes. (c) 2005 Elsevier Ltd. All rights reserved.
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