Pipeline repair by composite patch under temperature and Pressure loading

##plugins.themes.bootstrap3.article.sidebar##

PDF Visual Abstract
Published Jun 24, 2019
DOI https://doi.org/10.3221/IGF-ESIS.49.62

##plugins.themes.bootstrap3.article.main##

Elamine Abdelouahed
Laboratoire LABAB, Ecole Nationale Polytechnique Maurice Audin, Oran, Algeria
H. Benzaama
Laboratoire LABAB, Ecole Nationale Polytechnique Maurice Audin, Oran, Algeria
M. Mokhtari
Laboratoire LaRTFM, Ecole Nationale Polytechnique Maurice Audin, Oran, Algeria
B. Aour
Laboratoire LABAB, Ecole Nationale Polytechnique Maurice Audin, Oran, Algeria

Abstract

In this study, the three-dimensional finite element method is used to analyze an API 5L X70 steel cylindrical pipeline subjected to an internal pressure load by calculating the stress intensity factors and the integral J at the peak of crack in elastic and elastoplastic behavior. The effectiveness of composite patch repair bonded to the cracked surface is highlighted. The effects of the geometrical and mechanical properties of the composite patch and the adhesive on the effectiveness of the repair were highlighted. The variation of the stress intensity factor at the crack tip is used to evaluate the repair performance. The results obtained show that the residual heat stress significantly increases the stress intensity factor at the bottom of the crack, which reduces the effectiveness of the repair.

Comments

  1. Latest Oldest Top Comments

    Downloads

    Download data is not yet available.

    ##plugins.themes.bootstrap3.article.details##

    Issue
    Vol. 13 No. 49 (2019): July 2019
    Section
    Miscellanea

    How to Cite

    Abdelouahed, E., Benzaama, H., Mokhtari, M. and Aour, B. (2019) “Pipeline repair by composite patch under temperature and Pressure loading”, Frattura ed Integrità Strutturale, 13(49), pp. 690–697. doi: 10.3221/IGF-ESIS.49.62.

    Copyright 
    Authors are allowed to retain both the copyright and the publishing rights of their articles without restrictions.  

    Open Access Statement

    Frattura ed Integrità Strutturale (Fracture and Structural Integrity, F&SI) is an open-access journal which means that all content is freely available without charge to the user or his/her institution. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles in this journal without asking prior permission from the publisher or the author. This is in accordance with the DOAI definition of open access.

    F&SI operates under the Creative Commons Licence Attribution 4.0 International (CC-BY 4.0). This allows to copy and redistribute the material in any medium or format, to remix, transform and build upon the material for any purpose, even commercially, but giving appropriate credit and providing a link to the license and indicating if changes were made.