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Keywords: girth weld
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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
Publisher: American Society of Mechanical Engineers
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. IPC2020, Volume 1: Pipeline and Facilities Integrity, V001T03A021, September 28–30, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IPC2020-9506
... girth welds. The hard microstructures associated with arc burns are susceptible to hydrogen-induced cracking (HIC) in the presence of atomic hydrogen. Pipeline maintenance codes consider arc burns as defects and require their complete removal by grinding. Due to the relatively small dimension of arc...
Proceedings Papers

Proc. ASME. IPC2020, Volume 3: Operations, Monitoring, and Maintenance; Materials and Joining, V003T05A022, September 28–30, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IPC2020-9658
... actions. This paper is a summary of PRCI-funded work aimed at characterizing material properties and flaw characteristics of vintage girth welds. The data obtained in this work can be utilized to understand and predict the behavior of vintage pipelines, which is covered in a companion paper [1...
Proceedings Papers

Proc. ASME. IPC2010, 2010 8th International Pipeline Conference, Volume 2, 383-389, September 27–October 1, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IPC2010-31219
... 1 Copyright © 2010 by ASME A STUDY ON THE RESIDUAL STRESS AND FRACTURE BEHAVIOR OF PIPELINE GIRTH WELDS JOINING PIPES OF DIFFERENT STRENGTH) Woo-sik Kim*, Jong-hyun Baek, Choel-man Kim and Young-pyo Kim R & D Center, KOGAS, 638-1 il-dong Ansan kyunggi-do KOREA, 425-790 Tel: 82-31-400-7470, Email...
Proceedings Papers

Proc. ASME. IPC2010, 2010 8th International Pipeline Conference, Volume 4, 159-163, September 27–October 1, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IPC2010-31369
... 07 04 2011 Tensile strain capacity (TSC) is a critical component of the strain-based design of pipelines. TSC is affected by a number of material parameters, such as the strain hardening rate, weld strength mismatch, and toughness. Girth weld high-low misalignment, internal pressure...
Proceedings Papers

Proc. ASME. IPC2010, 2010 8th International Pipeline Conference, Volume 4, 175-185, September 27–October 1, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IPC2010-31385
... design girth weld toughness constraint effects 1 © Her Majesty the Queen in Right of Canada, represented by the Minister of Natural Resources, 2010 Proceedings of the 8th International Pipeline Conference IPC 2010 September 27 - October 1, 2010, Calgary, Alberta, Canada IPC2010-31385 TOUGHNESS...
Proceedings Papers

Proc. ASME. IPC2010, 2010 8th International Pipeline Conference, Volume 1, 339-345, September 27–October 1, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IPC2010-31211
... of the misalignment imperfection of girth weld joint is calculated by FEM to review the applicability of relevant formulas given in BS7910 for engineering critical assessment. Finally, it is concluded by FE simulation that though the stress magnification effect of shallow cracks in weld toe zone is significant...
Proceedings Papers

Proc. ASME. IPC2010, 2010 8th International Pipeline Conference, Volume 4, 187-194, September 27–October 1, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IPC2010-31386
... limited initial growth. This insensitivity allows the determination of CTOD A at the small amount of flaw growth. This feature establishes the connection between CTOD A and initiation-based toughness. Further work is under way to apply these findings. Pipeline girth weld strain-based design...
Proceedings Papers

Proc. ASME. IPC2008, 2008 7th International Pipeline Conference, Volume 1, 223-228, September 29–October 3, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IPC2008-64630
... 10 07 2009 Stress analysis is a prerequisite of Engineering Critical Analysis (ECA) of pipeline girth welds in new constructions. Such analysis is required in pipe construction standards, such as API Standard 1104 Appendix A. However no specific procedures of stress analysis...
Proceedings Papers

Proc. ASME. IPC2008, 2008 7th International Pipeline Conference, Volume 3, 437-443, September 29–October 3, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IPC2008-64632
... 10 07 2009 Pulsed gas metal arc welding (P-GMAW) is one of the most effective joining methods used for mainline field girth welding of large diameter, long distance pipelines. Single torch and single wire P-GMAW utilizing narrow-groove weld geometry has been applied extensively in both...
Proceedings Papers

Proc. ASME. IPC2008, 2008 7th International Pipeline Conference, Volume 3, 523-531, September 29–October 3, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IPC2008-64030
.... The capacity of compressive axial strain of the pipe is affected by a large number of factors: D/t ratio, Y/T ratio, internal pressure and girth weld effect. Consequently, full solutions for compressive strain limits related to above-mentioned factors do not yet exist in codes and standards. In recent years...
Topics: Design, Pipelines
Proceedings Papers

Proc. ASME. IPC2008, 2008 7th International Pipeline Conference, Volume 3, 533-541, September 29–October 3, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IPC2008-64031
... Pipeline Strain-Based Design Tensile Strain Limit Girth Weld Proceedings of IPC2008 7th International Pipeline Conference September 29-October 3, 2008, Calgary, Alberta, Canada L n China University of Petroleum-Beijing1 Copyright © 2008 by ASME Fuxue Road 18, Changping, 102249 Beijing...
Topics: Design, Pipelines
Proceedings Papers

Proc. ASME. IPC2002, 4th International Pipeline Conference, Parts A and B, 451-455, September 29–October 3, 2002
Publisher: American Society of Mechanical Engineers
Paper No: IPC2002-27188
... that strength mismatch of girth weld had great effect on the integrity of the pipeline. Overmatch is preferred for low-grade pipeline (steel grade is usually X60 or lower). As to the high-grade pipeline, in order to reduce the sensitivity of cold crack, hydrogen induced crack (HIC) and stress induced corrosion...
Proceedings Papers

Proc. ASME. IPC2004, 2004 International Pipeline Conference, Volumes 1, 2, and 3, 1573-1581, October 4–8, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IPC2004-0768
... 10 12 2008 Girth welds in pipelines subject to longitudinal plastic tensile strains are critical regions of the pipeline. As girth welds might contain flaws of some form or other, it is of paramount interest to have a thorough understanding of the deformation characteristics of girth...
Proceedings Papers

Proc. ASME. IPC2004, 2004 International Pipeline Conference, Volumes 1, 2, and 3, 1607-1614, October 4–8, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IPC2004-0524
... 10 12 2008 Buried defects, such as lack-of-sidewall fusion defects, are some of the most commonly occurring defects in mechanized girth welds. Although some of the existing ECA (Engineering Critical Assessment) procedures permit the assessment of the significance of buried defects...
Proceedings Papers

Proc. ASME. IPC2006, Volume 3: Materials and Joining; Pipeline Automation and Measurement; Risk and Reliability, Parts A and B, 545-552, September 25–29, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IPC2006-10474
..., such as that induced by frost heave, landslide, and seismic activities. The “capacity” is most often controlled by girth weld tensile strain limits, as girth welds tend to be the weakest link in pipelines experiencing high tensile strains. The tensile strain limits of girth welds are affected by a large number...
Topics: Design, Pipelines
Proceedings Papers

Proc. ASME. IPC2006, Volume 3: Materials and Joining; Pipeline Automation and Measurement; Risk and Reliability, Parts A and B, 563-574, September 25–29, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IPC2006-10491
... 07 10 2008 Alternative girth weld defect acceptance criteria implemented in major international codes and standards vary significantly. The requirements for welding procedure qualification and the allowable defect size are often very different among the codes and standards...