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Materiale Plastice
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https://doi.org/10.37358/Mat.Plast.1964

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Materiale Plastice (Mater. Plast.), Year 2022, Volume 59, Issue 3, 21-30

https://doi.org/10.37358/MP.22.3.5603

Ioana Daniela Manu

Internal Pressure Test on HDPE Pipe Ring


Abstract:
The purpose of experiment was the highlight of the creep of ring from polyethylene pipe subjected to internal pressure. To create the internal pressure in the HDPE pipe ring, a weight of 4.5 kg was superimposed on it, in the form of a cylindrical plate. In order to evaluate the strains of the elastic element subjected to the tensile stress, respectively compression, tensometric marks 1 and 2 are placed on the outside, in the case of the circular section. The internal pressure test was performed to evaluate the strains of the material of a PE 100 polyethylene ring in two directions: one axial (longitudinal) and the other transverse (circumferential) in order to highlight the creep of the pipe material due to its structure. In a polyethylene pipe stressed at internal pressure, due to the symmetry the tangential stresses are zero. The axial strain initially showed a positive increase, followed by a decrease, reaching negative values towards the end of the experiment, while the circumferential strain recorded positive values, about 300 times higher than the initial ones. The principal stress changed approximately linearly. The circumferential stress recorded the maximum value of σ1=0.33 MPa (3.3 bar) after two and a half hours of experiment. Based on such this test could be calculate Poisson's ratio ν.


Keywords:
strain; pressure; stress; polyethylene; creep; circumferential strain; tensile

Issue: 2022 Volume 59, Issue 3
Pages: 21-30
Publication date: 2022/10/3
https://doi.org/10.37358/MP.22.3.5603
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This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
MANU, I.D., , Internal Pressure Test on HDPE Pipe Ring, Mater. Plast., 59(3), 2022, 21-30. https://doi.org/10.37358/MP.22.3.5603

Vancouver
Manu ID. Internal Pressure Test on HDPE Pipe Ring. Mater. Plast.[internet]. 2022 Jul;59(3):21-30. Available from: https://doi.org/10.37358/MP.22.3.5603


APA 6th edition
Manu, I.D., (2022). Internal Pressure Test on HDPE Pipe Ring. Materiale Plastice, 59(3), 21-30. https://doi.org/10.37358/MP.22.3.5603


Harvard
Manu, I.D., (2022). 'Internal Pressure Test on HDPE Pipe Ring', Materiale Plastice, 59(3), pp. 21-30. https://doi.org/10.37358/MP.22.3.5603


IEEE
I.D. Manu, "Internal Pressure Test on HDPE Pipe Ring". Materiale Plastice, vol. 59, no. 3, pp. 21-30, 2022. [online]. https://doi.org/10.37358/MP.22.3.5603


Text
Ioana Daniela Manu,
Internal Pressure Test on HDPE Pipe Ring,
Materiale Plastice,
Volume 59, Issue 3,
2022,
Pages 21-30,
ISSN 2668-8220,
https://doi.org/10.37358/MP.22.3.5603.
(https://revmaterialeplastice.ro/Articles.asp?ID=5603)
Keywords: strain; pressure; stress; polyethylene; creep; circumferential strain; tensile


RIS
TY - JOUR
T1 - Internal Pressure Test on HDPE Pipe Ring
A1 - Manu, Ioana Daniela
JF - Materiale Plastice
JO - Mater. Plast.
PB - Materiale Plastice SRL
SN - 2668-8220
Y1 - 2022
VL - 59
IS - 3
SP - 21
EP - 30
UR - https://doi.org/10.37358/MP.22.3.5603
KW - strain
KW - pressure
KW - stress
KW - polyethylene
KW - creep
KW - circumferential strain
KW - tensile
ER -


BibTex
@article{MatPlast2022P21,
author = {Manu Ioana Daniela},
title = {Internal Pressure Test on HDPE Pipe Ring},
journal = {Materiale Plastice},
volume = {59},
number = {3},
pages = {21-30},
year = {2022},
issn = {2668-8220},
doi = {https://doi.org/10.37358/MP.22.3.5603},
url = {https://revmaterialeplastice.ro/Articles.asp?ID=5603}
}


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