Analysis of internal bonded fibre reinforced composite repair systems for corroded steel pipelines

Sirimanna, C. S. and Karunasena, W. and Manalo, A. C. and Banerjee, S. and McGarva, L. (2013) Analysis of internal bonded fibre reinforced composite repair systems for corroded steel pipelines. In: 4th Asia-Pacific Conference on FRP in Structures (APFIS 2013), 11-13 Dec 2013, Melbourne, Australia .


Steel pipelines are widely used in the oil and gas industry. Over time, many pipelines experience internal metal loss, mainly due to corrosion, and some form of repair is required in order to reinstate the original operating capacity and maintain structural integrity. Fibre reinforced composites offer solutions with broad applicability and efficiency for internal repair of these pipelines. Analysing and understanding the behaviour of composites is important in order for them to be used effectively as an internal repair system for corroded steel pipelines. This paper presents the analyses of internal composite bonded repair systems for long steel pipes with an axisymmetric defect, based on Lame's equation. Optimum internal composite repair thicknesses using biaxial carbon and glass fibre composites were determined for different levels of corrosion, following the Von Mises yielding and Tsai-Hill failure criterion approaches. Design nomographs for internal composite repair systems have been developed.

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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)
Refereed: Yes
Item Status: Live Archive
Additional Information: © 2013 International Institute for FRP in Construction. Published version restricted in accordance with copyright policy of publisher.
Faculty / Department / School: Current - Faculty of Health, Engineering and Sciences - School of Civil Engineering and Surveying
Date Deposited: 04 Apr 2014 05:01
Last Modified: 15 Dec 2014 04:42
Uncontrolled Keywords: GFRP; CFRP; composite repair; failure index; thick cylinder
Fields of Research : 09 Engineering > 0905 Civil Engineering > 090506 Structural Engineering
09 Engineering > 0905 Civil Engineering > 090503 Construction Materials
09 Engineering > 0912 Materials Engineering > 091202 Composite and Hybrid Materials
Socio-Economic Objective: E Expanding Knowledge > 97 Expanding Knowledge > 970109 Expanding Knowledge in Engineering

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