Journal ArticleDOI
Numerical simulation of strength failure of buried polyethylene pipe under foundation settlement
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TLDR
In this paper, a numerical simulation was conducted in ABAQUS, for the most commonly used PE pipe of DN110-SDR11, under the action of foundation settlement, and the situation that PE pipe is perpendicular to settlement section was considered.About:
This article is published in Engineering Failure Analysis.The article was published on 2015-02-01. It has received 53 citations till now. The article focuses on the topics: Settlement (structural) & Piping.read more
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Mechanical behaviors and failure mechanisms of buried polyethylene pipes crossing active strike-slip faults
Jie Zhang,Yao Xiao,Zheng Liang +2 more
TL;DR: In this paper, a study was conducted on the mechanical behaviors and failure mechanisms of buried polyethylene (PE) pipes under fault movement, and the effects of gas pressure, fault dislocation, soil and pipe size on PE pipes were discussed.
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Mechanical response of buried polyethylene pipelines under excavation load during pavement construction
Xiaoben Liu,Xiaoben Liu,Hong Zhang,Mengying Xia,Mengying Xia,Kai Wu,Yanfei Chen,Qian Zheng,Jun Li +8 more
TL;DR: In this paper, a rigorous 3D finite element model was established for mechanical response of polyethylene (PE) pipelines under mechanical excavation in China, where soil, tooth of the mechanical excavator and pipe were all modelled by continuum solid elements.
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Laboratory evaluation of buried high-density polyethylene pipes subjected to localized ground subsidence
TL;DR: In this article, a series of large-scale model tests aiming to investigate the performance of buried high-density polyethylene (HDPE) double-wall corrugated pipes subjected to localized ground subsidence is presented.
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Analysis of the gas network failure and failure prediction using the Monte Carlo simulation method
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Buried pipeline responses to ground displacements induced by adjacent static pipe bursting
TL;DR: To minimize disruptions of economic and social activities on the ground surface in urban areas, trenchless techniques such as pipe bursting are often considered for underground pipeline constructio... as discussed by the authors,...
References
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Journal ArticleDOI
Failure analysis of natural gas pipes
TL;DR: In this paper, a study was performed to identify the most probable cause of 6 months old API 5L X42 (NPS8) and SDR 17, 125mm medium density polyethylene pipe (MDPE) supplying natural gas to an industrial customer has caused serious 7h supply disruption.
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Constitutive model for high density polyethylene material: systematic approach
TL;DR: In this paper, a constitutive model for high density polyethylene (HDPE) pipe material using published data considering the strain rate effect was developed for a hyperbolic model and a conventional approach was employed to estimate the constants of this model from published test data.
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Nonlinear FEM strategies for modeling pipe–soil interaction
TL;DR: In this paper, the results of one finite element modeling strategy were discussed to assess the behavior of pipelines buried in rainy forest regions, which are prone to failures by axial stresses from land movement.
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Finite Element Analysis of Buried Polyethylene Pipe Subjected to Seismic Landslide
TL;DR: Based on extensive uniaxial tensile tests, a rate-dependent constitutive model of polyethylene (PE) pipes was applied to simulate the mechanical behavior of PE pipes as discussed by the authors.
Journal ArticleDOI
Buried pipeline responses to ground displacements induced by adjacent static pipe bursting
TL;DR: To minimize disruptions of economic and social activities on the ground surface in urban areas, trenchless techniques such as pipe bursting are often considered for underground pipeline constructio... as discussed by the authors,...