Field layout of glass reinforced epoxy pipeline - A practical approach

Abdennour C. Seibi, Tasneem Pervez, Xiaoliang Qu, Adel Khalaf

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents a practical approach dealing with the development of safe working envelops for field operators to avoid any potential GRE pipe failure during installation. Finite element modeling was used to model the pipeline. Two different element types available in ANSYS library (Beam and Shell elements) were used in the analysis. Various pipe sizes subjected to typical loading conditions similar to field layout conditions were considered. The finite element models were used to estimate pipe deflection, the internal normal and shear forces as well as bending moments for each pipe section along its length from which the induced stresses were determined. The maximum tensile stress was calculated and compared to the failure strength of GRE for various lifting scenarios. A sensitivity analysis on the various parameters affecting the structural integrity of the pipeline was also performed. It was found that the beam element over predicts the threshold lifting height as compared to the shell element results. In most cases, the estimated threshold value for the lifting height causing potential pipe failure for all pipe sizes is 2 and 1.2 m for beam and shell elements, respectively. Moreover, the results showed that the minimum threshold height increases for smaller pipe sizes.

Original languageEnglish
Title of host publicationComposite Science and Technology
PublisherTrans Tech Publications Ltd
Pages285-290
Number of pages6
ISBN (Print)9783037850596
DOIs
Publication statusPublished - 2011
Externally publishedYes

Publication series

NameKey Engineering Materials
Volume471-472
ISSN (Print)1013-9826
ISSN (Electronic)1662-9795

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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