Relevant bibliographies by topics / Pipeline dent fatigue

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Pipeline dent fatigue'

Author: Grafiati
Published: 4 June 2021
Last updated: 19 February 2022

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Journal articles on the topic "Pipeline dent fatigue"

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Ying, Wu, and Peng Zhang. "Peak Cycle Stress Analysis of the II Type Dent on Pipeline Based on FE Calculation." Applied Mechanics and Materials 55-57 (May 2011): 1659–64. http://dx.doi.org/10.4028/www.scientific.net/amm.55-57.1659.

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Dent is one of the important factors affecting pipeline fatigue life, and it will greatly reduce the fatigue life of the pipeline in service. And the peak cycle stress on the dented pipeline is the key parameter to calculate pipeline fatigue life. For typical II type dent in the pipeline, the finite element models are established under different circumstances. A large number of the calculation results are sorted, inducted, drew. On this basis, the results are analysed by univariate and multivariate. Non-linear regression analysis was utilized to fit the results by matlab, some specific express
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Ying, Wu, Zhang Peng, and Liu Wu. "FE Calculation and Analysis of Plain Dent Size Influence on Pipeline Displacement." Applied Mechanics and Materials 155-156 (February 2012): 176–80. http://dx.doi.org/10.4028/www.scientific.net/amm.155-156.176.

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According to the report of the United States transportation department, mechanical damage is one of the most important reasons for the pipeline accident .The most typical form of mechanical damage is indentation. Dent defect is one of the important factors affecting pipeline fatigue life, and it will greatly reduce the fatigue life of the pipeline in service. Meanwhile the dent displacement will be changed with the operation pressure fluctuations of the in-service pipeline, resulting in a circular bending stress, which directly affect the pipeline fatigue life. For typical plain dent on pipeli
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Ying, Wu, Peng Zhang, and Wu Liu. "Fatigue Life Calculation of the in-Service Dented Pipeline." Key Engineering Materials 467-469 (February 2011): 1327–32. http://dx.doi.org/10.4028/www.scientific.net/kem.467-469.1327.

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Dent is one of the important factors affecting pipeline fatigue life, and it will greatly reduce the fatigue life of the pipeline in service. Based on a large number of foreign dented pipeline fatigue test results and fatigue life model, for the typical dent defect, using finite element method, various parameters are changed and finite element models are obtained under different conditions. According to many calculation results, a key ratio of peak period stress and pipeline pressure variation are obtained, which are substituted to the fatigue life model and the example are calculated.
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CUNHA, S. B., I. P. PASQUALINO, and B. C. PINHEIRO. "Stress-life fatigue assessment of pipelines with plain dents." Fatigue & Fracture of Engineering Materials & Structures 32, no. 12 (2009): 961–74. http://dx.doi.org/10.1111/j.1460-2695.2009.01396.x.

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Kec, Jan, Ivo Černý, Jan Luštinec, Miloslav Poupa, Romana Pavelková, and Jiří Janovec. "Experimental Verification of Dents Effect on the Structural Integrity of Pipeline DN 300." Key Engineering Materials 774 (August 2018): 319–24. http://dx.doi.org/10.4028/www.scientific.net/kem.774.319.

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The stress-strain behaviour of two dents with different depth and shape during the fatigue pressure and burst pressure test is described. The internal inspection carried out on a high-pressure line DN 300 revealed the presence of two dents. Then, the part containing the dents was dug out, removed from operation and the pressure tests were carried out. The stress-strain behaviour was measured with help of nine strain gauges placed on the external pipe surface in the vicinity of dents. The fatigue pressure test simulated fluctuation of pressure, temperature and landslides during operation. Durin
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Pinheiro, B., I. Pasqualino, and S. Cunha. "Fatigue life assessment of damaged pipelines under cyclic internal pressure: Pipelines with longitudinal and transverse plain dents." International Journal of Fatigue 68 (November 2014): 38–47. http://dx.doi.org/10.1016/j.ijfatigue.2014.06.003.

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"THE EFFECT OF DENT UNDER FATIGUE LOADING IN PRESSURIZED PIPELINE: A REVIEW." International Journal of Advance Engineering and Research Development 3, no. 01 (2015). http://dx.doi.org/10.21090/ijaerd.ncrretme05.

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Gholami, Hojjat, Shahram Shahrooi, and Mohammad shishehsaz. "Strain-based fatigue life analysis of pipelines with external defects under cyclic internal pressure." Journal of Strain Analysis for Engineering Design, September 21, 2020, 030932472095756. http://dx.doi.org/10.1177/0309324720957569.

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Gouge and dent are common mechanical defects in oil and gas pipelines. These defects with plastic strain cause stress concentration in the pipelines. Plastic strain is dependent on initial deformation and spring-back behavior of materials. Therefore, they reduce the fatigue life of pipelines. In this paper, the strain-base fatigue life analysis is investigated in pipelines with smooth dent or combination smooth dent and gouge defects under cyclic internal pressure. For this purpose, elastic-plastic multilinear isotropic hardening finite element simulation was used to investigate the effects of
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Dissertations / Theses on the topic "Pipeline dent fatigue"

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Rinehart, Adam James. "Effects of localized geometric imperfections on the stress behavior of pressurized cylindrical shells." Texas A&M University, 2003. http://hdl.handle.net/1969/37.

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Conference papers on the topic "Pipeline dent fatigue"

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Rinehart, Adam J., and Peter B. Keating. "Length Effects on Fatigue Behavior of Longitudinal Pipeline Dents." In 2002 4th International Pipeline Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/ipc2002-27244.

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Dent length has been shown to have a significant effect on the fatigue cracking behavior of pipeline dents. Long dents, which experience rerounding and center cracking, have a dramatically shorter fatigue life than otherwise similar short dents, which experience peripheral cracking and little rerounding. Because the fatigue lives of long dents are much shorter than those of short dents, both safety and economy would benefit from improvements in the ability to distinguish long dents from short dents. Based on experimental evidence, a transition between short and long dent behavior is shown to e
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Zhu, Xian-Kui, and Rick Wang. "Effect of Residual Stress or Plastic Deformation History on Fatigue Life Simulation of Pipeline Dents." In 2018 12th International Pipeline Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/ipc2018-78805.

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Mechanical dents often occur in transmission pipelines, and are recognized as one of major threats to pipeline integrity because of the potential fatigue failure due to cyclic pressures. With matured in-line-inspection (ILI) technology, mechanical dents can be identified from the ILI runs. Based on ILI measured dent profiles, finite element analysis (FEA) is commonly used to simulate stresses and strains in a dent, and to predict fatigue life of the dented pipeline. However, the dent profile defined by ILI data is a purely geometric shape without residual stresses nor plastic deformation histo
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de Carvalho Pinheiro, Bianca, Ilson Paranhos Pasqualino, and Se´rgio Barros da Cunha. "Fatigue Life Analysis of Steel Pipelines With Plain Dents Under Cyclic Internal Pressure." In 2008 7th International Pipeline Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ipc2008-64690.

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This work is within an ongoing study, which aims to propose a new methodology for fatigue life analysis of steel pipelines with plain dents under cyclic internal pressure. This methodology follows the current high cycle fatigue theory and employs stress concentration factors induced by plain dents to modify standard S-N curves. A previously developed and validated finite element model is extended to generate stress concentration factors for longitudinal and transverse dents, in addition to spherical dents. Several finite element analyses are carried out in a parametric study to evaluate stress
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Tiku, Sanjay, Arnav Rana, Binoy John, and Aaron Dinovitzer. "Dent Screening Criteria Based on Dent Restraint, Pipe Geometry and Operating Pressure." In 2020 13th International Pipeline Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/ipc2020-9703.

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Abstract A safety advisory (2010-01), issued by the National Energy Board (NEB) in June 2010, referenced two incidents which were a result of a fatigue crack failure that occurred within shallow dents [1]. The dents in both instances were less than 6% (of the OD). Currently, there is no consensus on how shallow dents or shallow dents with stress concentrators, as called by the ILI tool, are assessed and acted upon. BMT Canada Ltd. (BMT) was contracted by the Canadian Energy Pipeline Association (CEPA) to develop a definition for shallow dents, and two levels of screening method for the integri
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Cunha, Sérgio B., Ilson P. Pasqualino, and Bianca C. Pinheiro. "Pipeline Plain Dent Fatigue: A Comparison of Assessment Methodologies." In 2014 10th International Pipeline Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/ipc2014-33034.

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A collection of results of fatigue tests undertaken on full scale pipeline specimens containing unconstrained plain dents is presented. A total of 61 test results are reported, comprising dents of different shapes and depths, introduced in pipe sections with nominal diameters of 12″ and 24″, D/t ratios varying from 18.6 to 77.2 and made of API 5L X42, X46, X52, X60, X70 and X80 steels. The fatigue test results are used to compare five plain dent fatigue assessment methodologies. The assessment methodologies most widely used in the industry, namely, API 1156 and EPRG, are evaluated; each one of
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Heggen, Hans Olav, Joe Bratton, David Kemp, Jun Liu, and Jason Austin. "Fitness for Service of Dents Associated With Metal Loss due to Corrosion." In 2014 10th International Pipeline Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/ipc2014-33646.

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Current federal regulations in the U.S. require excavation of all dents associated with metal loss due to corrosion identified through in line inspection surveys. Once a dent has been found to be associated with metal loss through excavation, there is little guidance to determine the serviceability of the anomaly. Past research has provided methodologies to assess the fatigue life of plain dents, considering the shape of the dent, but there are no widely accepted assessment methodologies to predict the effect of associated metal loss due to corrosion on the fatigue life of dents. This paper fo
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Bolton, Brock, Vlado Semiga, Sanjay Tiku, Aaron Dinovitzer, and Joe Zhou. "Full Scale Cyclic Fatigue Testing of Dented Pipelines and Development of a Validated Dented Pipe Finite Element Model." In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31579.

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Dents in buried pipelines can occur due to a number of potential causes; the pipe resting on rock, third party machinery strike, rock strikes during backfilling, amongst others. The long-term integrity of a dented pipeline segment is a complex function of a variety of parameters, including pipe geometry, indenter shape, dent depth, indenter support, pressure history at and following indentation. In order to estimate the safe remaining operational life of a dented pipeline, all of these factors must be accounted for in the analysis. The goal of the full scale experimental program described in t
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Race, Julia M., Jane V. Haswell, Robert Owen, and Barry Dalus. "UKOPA Dent Assessment Algorithms: A Strategy for Prioritising Pipeline Dents." In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31588.

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As in-line inspection tools improve, dents that would have been below the detection and reporting levels of previous inspections are now being detected and reported to pipeline operators. Consequently, operators are being faced with large numbers of dents in ILI reports that require further consideration and are left with the problem of how to prioritize these dents for further investigation and repair. Although code guidance is clear on the relative severity of dents associated with other features or those based on a depth or strain criteria, this may still leave a significant number of dents
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Tiku, Sanjay, Amin Eshraghi, Vlad Semiga, Luis Torres, and Mark Piazza. "Improved Pipeline Dent Integrity Management." In 2016 11th International Pipeline Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/ipc2016-64530.

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Pipeline dents can be developed from the pipe resting on rock, a third party machinery strike, rock strikes during backfilling, amongst other causes. The long-term integrity of a dented pipeline segment depends upon parameters including pipe geometry, indenter shape, dent depth, indenter support, secondary features, and pipeline operating pressure history at and following indentation. US DoT and other standards include dent repair and remediation criteria broadly based upon dent depth, dent location (top or bottom side), pressure cycling (liquid or gas), and dent interaction with secondary fea
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Turnquist, Michael, and Adam Parsons. "Improving the Accuracy of Traditional Dent Fatigue Analysis: A Method for Quantifying the Initial Damage Caused by Dent Formation." In 2018 12th International Pipeline Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/ipc2018-78684.

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The pipeline industry is currently taking several approaches to evaluate the integrity of dents, ovalities, or other geometric anomalies identified from in-line inspection (ILI). A primary threat associated with these features that operators should be concerned with is failure due to fatigue. In order to carry out a more accurate dent fatigue analysis, it is important to be able to quantify the amount of damage accumulated during the initial dent formation process and subsequent shakedown of the dent. Dents result from permanent deformation of the pipeline which leads to accumulation of plasti
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