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Keywords: fatigue
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Proceedings Papers

Proc. ASME. IPC2022, Volume 1: Pipeline Safety Management Systems; Project Management, Design, Construction, and Environmental Issues; Strain-Based Design and Assessment; Risk and Reliability; Emerging Fuels and Greenhouse Gas Emissions, V001T02A001, September 26–30, 2022
Paper No: IPC2022-86754
... waves (and potential fatigue damage), which sometimes goes unrecognized. To predict the damage accumulation at planar circumferential flaws (e.g., girth weld defects) from repeated hammering, flaw growth analyses were performed via Paris Law fracture mechanics formulations. An initial flaw based on NDE...
Proceedings Papers

Proc. ASME. IPC2022, Volume 1: Pipeline Safety Management Systems; Project Management, Design, Construction, and Environmental Issues; Strain-Based Design and Assessment; Risk and Reliability; Emerging Fuels and Greenhouse Gas Emissions, V001T08A006, September 26–30, 2022
Paper No: IPC2022-87069
... of fracture toughness and fatigue, through embrittlement or hydrogen induced cracking. Fracture toughness as a measure of crack arrest performance through required Charpy (TCVN) performance represents a principal mechanical property requirement of the pipeline. Ductility performance, regardless...
Proceedings Papers

Proc. ASME. IPC2022, Volume 1: Pipeline Safety Management Systems; Project Management, Design, Construction, and Environmental Issues; Strain-Based Design and Assessment; Risk and Reliability; Emerging Fuels and Greenhouse Gas Emissions, V001T08A016, September 26–30, 2022
Paper No: IPC2022-87359
... hydrogen embrittlement, increases to fatigue crack growth rate, and reductions in ductility and yield strength when exposed to susceptible steels under stress. These potential effects may vary based on the vintage, strength of steel, weld type, and other specific pipeline characteristics, therefore...
Topics: Hydrogen, Testing
Proceedings Papers

Proc. ASME. IPC2022, Volume 1: Pipeline Safety Management Systems; Project Management, Design, Construction, and Environmental Issues; Strain-Based Design and Assessment; Risk and Reliability; Emerging Fuels and Greenhouse Gas Emissions, V001T07A034, September 26–30, 2022
Paper No: IPC2022-97332
.... crack growth re-inspection fatigue probabilistic post-hydrostatic test post ILI reliability Proceedings of the 2022 14th International Pipeline Conference IPC2022 September 26-30, 2022, Calgary, Alberta, Canada IPC2022-97332 PROBABILISTIC SURVIVING POPULATION REMAINING LIFE AND INSPECTION...
Proceedings Papers

Proc. ASME. IPC2022, Volume 2: Pipeline and Facilities Integrity, V002T03A036, September 26–30, 2022
Paper No: IPC2022-87301
... Abstract Dents in buried pipelines either caused by third party mechanical damage or introduced during pipeline construction remain a leading contributor to reportable pipeline releases. API Recommended Practice 1183 (API RP 1183) provides a modern, shape-based fatigue life assessment...
Proceedings Papers

Proc. ASME. IPC2022, Volume 2: Pipeline and Facilities Integrity, V002T03A039, September 26–30, 2022
Paper No: IPC2022-87340
... on a literature review and verified by small- and full-scale testing. The product of the work is an assessment tool that identifies SCC cracks that are appropriate for recoating without grinding. recoating grinding fatigue integrity management Proceedings of the 2022 14th International Pipeline...
Proceedings Papers

Proc. ASME. IPC2020, Volume 1: Pipeline and Facilities Integrity, V001T03A003, September 28–30, 2020
Paper No: IPC2020-9268
... with rationale for each term is proposed for the pipeline segments examined in the study, and recommendations made for potential implementation for other operators, along with follow-on research. fatigue pipeline crack inspection interval NEAR NEUTRAL PH STRESS CORROSION CRACK GROWTH MODEL...
Proceedings Papers

Proc. ASME. IPC2020, Volume 1: Pipeline and Facilities Integrity, V001T03A029, September 28–30, 2020
Paper No: IPC2020-9655
...PIPELINE PLAIN DENT FATIGUE ASSESSMENT: SHEDDING LIGHT ON THE API 579 LEVEL 2 FATIGUE ASSESSMENT METHODOLOGY Zeynab Shirband1, Adrian Gosselin, Stuart Guest, Lee Falcon Stantec Consulting Ltd. Calgary, AB ABSTRACT For continued safe operation of pipelines, thousands of integrity digs are conducted...
Proceedings Papers

Proc. ASME. IPC2020, Volume 1: Pipeline and Facilities Integrity, V001T03A022, September 28–30, 2020
Paper No: IPC2020-9511
... in similar crack growth rates for those waveforms containing low R-ratio cycles. These results imply that stage I of crack growth is assisted by fatigue due to low R-ratio cycles. It was observed that loading/unloading frequency of low R-ratio cycles has a direct relation with crack growth rate at stage I...
Proceedings Papers

Proc. ASME. IPC2020, Volume 1: Pipeline and Facilities Integrity, V001T03A032, September 28–30, 2020
Paper No: IPC2020-9703
... 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...
Proceedings Papers

Proc. ASME. IPC2020, Volume 1: Pipeline and Facilities Integrity, V001T03A036, September 28–30, 2020
Paper No: IPC2020-9781
... to quantify crack growth levels. Once a systematic process for growing cracks from EDM starter notches had been validated, testing involved cyclic pressure fatigue to failure and burst testing. The advantage with the crack generation methodology used in this study was the ability to generate sharp, crack-like...
Proceedings Papers

Proc. ASME. IPC2020, Volume 1: Pipeline and Facilities Integrity, V001T03A079, September 28–30, 2020
Paper No: IPC2020-9652
... is presented using FE analysis results. Keywords: Dent, ILI data, FE analysis, Fatigue, Remaining life 1. INTRODUCTION The steel pipelines are the most popular medium for transporting petroleum products in Canada and worldwide. Mechanical damage and corrosion are the two major causes of the structural failure...
Proceedings Papers

Proc. ASME. IPC2020, Volume 3: Operations, Monitoring, and Maintenance; Materials and Joining, V003T05A018, September 28–30, 2020
Paper No: IPC2020-9404
...CROSS-SECTIONAL GRAIN SIZE HOMOGENEITY EFFECT ON STRUCTURAL STEEL FATIGUE PERFORMANCE IN AIR AND HYDROGEN ENVIRONMENTS Douglas Stalheim1, Andrew Slifka2, Pello Uranga3, Dong-Hoon Kang3, Enrico Lucon2 1DGS Metallurgical Solutions, Inc., Vancouver, WA USA 2National Institute of Standards...
Proceedings Papers

Proc. ASME. IPC2020, Volume 3: Operations, Monitoring, and Maintenance; Materials and Joining, V003T05A013, September 28–30, 2020
Paper No: IPC2020-9290
.... A series of finite element analyses were completed that considered the effects of bend size (diameter and wall thickness), material grade, bend radius and angle. From this work 90°, 1.5D, 12 NB, X52 bends were selected for test. The objective was to demonstrate restoration of the fatigue life of the pipe...
Proceedings Papers

Proc. ASME. IPC2020, Volume 3: Operations, Monitoring, and Maintenance; Materials and Joining, V003T05A001, September 28–30, 2020
Paper No: IPC2020-9248
... models and tools such as AFGROW and NASGRO, and facilitates crack growth simulations and root-cause analysis. Keywords: Fatigue, Pipeline, Crack, Inspection, Interval. NOMENCLATURE a crack dimension C Paris Law Coefficient C-SCC Circumferential stress corrosion crack(ing) f Frequency HTP Hydrostatic test...
Proceedings Papers

Proc. ASME. IPC2004, 2004 International Pipeline Conference, Volumes 1, 2, and 3, 1219-1228, October 4–8, 2004
Paper No: IPC2004-0254
... life and describe the way forward for the further development and implementation of this approach. Wrinkle Buckle Fatigue Proceedings of IPC 2004 International Pipeline Conference October 4-8, 2004 Calgary, Alberta, Canada IPC04-0254 DEVELOPMENT AND VALIDATION OF A PIPELINE BUCKLE...
Proceedings Papers

Proc. ASME. IPC2004, 2004 International Pipeline Conference, Volumes 1, 2, and 3, 1239-1245, October 4–8, 2004
Paper No: IPC2004-0437
... spectra, fatigue analysis, validation through dig programs, and the management of these features from a system integrity standpoint. fatigue dent management engineering assessment Copyright © 2004 by ASME Proceedings of IPC 2004 International Pipeline Conference October 4 - 8, 2004 Calgary...
Proceedings Papers

Proc. ASME. IPC2006, Volume 2: Integrity Management; Poster Session; Student Paper Competition, 297-309, September 25–29, 2006
Paper No: IPC2006-10177
... 07 10 2008 Fatigue life assessment procedures require knowledge of the fatigue crack driving force, such as stress intensity factor range (Δ K ) and cyclic J -integral (Δ J ), for the flaw geometry detected during inspection. Because three-dimensional closed-form crack driving force...