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Title: Finite element stress analysis of squeeze-off of polyethylene pressure pipes
Authors: Yayla, Pasa
Keywords: Polyethylene pipes;Squeeze-off;Finite element modelling;Pipe stresses;Pipe failure
Issue Date: May-2024
Publisher: NIScPR-CSIR,India
Abstract: In this study, the stress analysis of PE 100 grade high-density polyethylene pressure pipe squeeze-off has been carried out using ABAQUS, a general-purpose finite element code. The squeeze-off phenomenon has been investigated for the single and double squeeze-off pipes. In the finite element analysis, the true stress-strain curve of the material has been adopted. The stress distributions in the squeezed pipe have been obtained. Special attention has been paid to the axial and von Mises stress distributions along the pipe axis and around the squeeze-off ear. Finally, the practical implications of the axial stress and von Misses stress distributions resulting from the squeeze-off phenomenon have been discussed and correlated with the minimum distance away from the pipe welds, mechanical connections, local saddle joints, or nearest squeeze-off locations imposed by related standards.
Page(s): 308-318
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Appears in Collections:IJEMS Vol.31(2) April

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