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Structural Integrity of Pipelines

  • Conference paper
  • First Online:
Proceedings of the 3rd Pan American Materials Congress

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

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Abstract

The acceptance standards given in API 1104 Section 9 are based on empirical criteria for workmanship and place primary importance on imperfection length. Such criteria have provided an excellent record of reliability in pipelines service for many years. Alternative acceptance standards for girth welds are presented in Annex A. The use of fracture mechanics analysis and fitness for service criteria for determining acceptance criteria incorporates the evaluation of both imperfection height and imperfection length. This criteria usually provide more generous allowable imperfection length. This approach is applied to a new gas pipeline, API 5L X70 material, 24 inches diameter and 11.9 mm thickness. The applied methodology is presented to perform failure assessment diagram (FAD) and a sensitivity analysis and safety margins or factors are determined.

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References

  1. American Petroleum Institute. (2013). API Standard 1104. Welding of Pipelines and Related Facilities.

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  2. The British Standards Institution. (2015). BS 7910:2013 + A1. Guide to methods for assessing the acceptability of flaws in metallic structures.

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  3. International Standard. (2010). ISO 15653. Method of test for the determination of quasistatic fracture toughness of welds.

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  4. International Standard. (2002). ISO 12135. Unified method of test for the determination of quasistatic fracture toughness.

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Author information

Authors and Affiliations

  1. Welding Department, CNEA, Buenos Aires, Argentina

    Aníbal C. Di Luch

  2. Material Testing Laboratory, ITBA, Buenos Aires, Argentina

    Nicolás Oyarzábal

Authors
  1. Aníbal C. Di Luch
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  2. Nicolás Oyarzábal
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Corresponding author

Correspondence to Aníbal C. Di Luch .

Editor information

Editors and Affiliations

  1. Dept. of Nanoengineering, MC 0448, University of California-San Diego Dept. of Nanoengineering, MC 0448, LA JOLLA, California, USA

    Marc André Meyers

  2. ESFM-IPN , Mexico City, Mexico

    Hector Alfredo Calderon Benavides

  3. UTN-National University of Technology , Buenos Aires, Argentina

    Sonia P Brühl

  4. Universidad de Antioquia , Medellín, Colombia

    Henry A Colorado

  5. Pratt & Whitney Canada , Longueuil, Canada

    Elvi Dalgaard

  6. Military Institute of Engineering , Rio de Janerio, Brazil

    Carlos Nelson Elias

  7. Universidade Federal de Minas Gerais , Belo Horizonte, Brazil

    Roberto B Figueiredo

  8. Ternium Mexico , Nuevo León, Mexico

    Omar Garcia-Rincon

  9. Division of Materials Sci & Engg, Hanyang University Division of Materials Sci & Engg, Seoul, Korea (Republic of)

    Megumi Kawasaki

  10. Dept. Engineering & the Environment, University of Southampton Dept. Engineering & the Environment, Southampton, United Kingdom

    Terence G. Langdon

  11. University of Concepción , Concepción, Chile

    R.V. Mangalaraja

  12. Universidad Nacional de Ingeniería , Lima, Peru

    Mery Cecilia Gomez Marroquin

  13. Federal University of Rio de Janeiro , Rio de Janeiro, Brazil

    Adriana da Cunha Rocha

  14. Dept Chemical Engg & Sci, University of California, Irvine Dept Chemical Engg & Sci, Irvine, California, USA

    Julie M Schoenung

  15. Universidade Federal Fluminense , Niterói, Brazil

    Andre Costa e Silva

  16. Mechanical Engineering, University of Waterloo Mechanical Engineering, WATERLOO, Ontario, Canada

    Mary Wells

  17. ETH Zurich , Zürich, Switzerland

    Wen Yang

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© 2017 The Minerals, Metals & Materials Society

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Di Luch, A.C., Oyarzábal, N. (2017). Structural Integrity of Pipelines. In: Meyers, M., et al. Proceedings of the 3rd Pan American Materials Congress. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-52132-9_29

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