Optimizing Fiber Orientation GFRP Composite Wraps for Enhanced Burst Pressure Performance of Corroded API 5L X42 Pipelines

Abstract:

This study addresses the reinforcement of corroded API 5L X42 pipelines using Glass Fiber Reinforced Polymer (GFRP) composite wraps, focusing on optimizing fiber orientation to enhance burst pressure performance. Pipeline corrosion poses significant risks to structural integrity and safety in the oil and gas industry. Experimental burst pressure testing, and Finite Element Method (FEM) were conducted to evaluate unidirectional (0/0/0), bidirectional (0/90/0) and multi-axial (0/45/-45) GFRP wraps. The FEM model, validated against experimental data, showed minimal error with 1.16%. Major findings show that the bidirectional had a maximum stress (501.29 MPa) and burst pressure (44.72 MPa) higher than the unidirectional and multi-axial. Better stress distribution given by the bidirectional structure helped to lower stress concentrations. These results show that pipeline repair techniques can be much improved by orienting fibers correctly. This study found that it helpful in field application of composite repair techniques for corroded subsea pipes.

• Periodical: Materials Science Forum (Volume 1144)
• Pages: 55-60
• DOI: https://doi.org/10.4028/p-9Xapx8
• Online since: March 2025
• Authors: Muhammad Daniel Abdul Shahid, Mohd Hisbany Mohd Hashim*, Mohd Khairul Kamarudin, Sakhiah Abdul Kudus, Najwa Mohammad Fadzil, Adiza Jamadin, Mohd Fakri Muda
• Keywords: Burst Pressure, Composite, Corrosion, FEM Analysis, Fiber Orientation, GFRP

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