High-Pressure Pipelines Repaired by Steel Sleeve and Epoxy Composition

Pavol Novák; Milan Žmindák; Zoran Pelagić

doi:10.4028/www.scientific.net/AMM.486.181

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 486High-Pressure Pipelines Repaired by Steel Sleeve...

High-Pressure Pipelines Repaired by Steel Sleeve and Epoxy Composition

Abstract:

The aim of this paper is first to determine the state of stress of welded joint repaired by steel sleeve and epoxy composition. Experimental measurements are performed on samples to determine required material properties. The structural analysis by finite element method (FEM) is performed for a pressurized pipe with insufficiently welded root and installed cold sleeve. Simulated is the case of depressurized pipes that could cause a breach of cohesion between filling material and surface of pipe or sleeve with usage of cohesive finite elements. In the end the sleeve dimensions are optimized with respect to maximum integrity to the repaired sleeve.

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Periodical:

Applied Mechanics and Materials (Volume 486)

Pages:

181-188

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.486.181

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Online since:

December 2013

Authors:

Pavol Novák*, Milan Žmindák, Zoran Pelagić

Keywords:

Cohesive Finite Element, Cold Sleeve, Repairing Pipes, Stress of Welded Joint

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References

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