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Damage Analysis of Corroded Pipelines Reinforced by Composite Materials


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DOI: https://doi.org/10.15866/ireme.v12i3.13447

Abstract


This paper deals with experimental and numerical investigation aiming at studying the corroded pipelines damages and improving the failure pressure, the strength, and pipelines durability. The first part of this paper covers the maximum working pressure related to transported fluids such as gas or oil. Burst tests are carried on corroded pipelines presenting some defects. These results are compared with results from a series of numerical simulations and ASME / B31G, modified ASME / B31G method. The second part of this work concerns the reinforcement of pipelines by external wrapping of damaged sections using carbon fiber reinforced polymer (CFRP) materials as an alternative repair of the structure. The results show that the use of carbon fiber reinforced polymer materials decreases the stress considerably and almost reaches that of a flawless tube. Also, due to their mechanical properties, composites are able to offer a quick solid solution with long-term guarantee, without shutdown with a relative low cost compared to other methods.
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Keywords


Corrosion Defect; Reinforcement; Composite Materials; Finite Element Method

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References


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