Factors influencing the behavior of buried pipelines subjected to earthquake faulting

Tarek Abdoun, Da Ha, Michael J. O'Rourke, Michael D. Symans, Thomas D. O'Rourke, Michael C. Palmer, Harry E. Stewart

    Research output: Contribution to journalArticle

    Abstract

    Seismic ground faulting is a severe hazard for continuous buried pipelines. Over the years, researchers have attempted to understand pipe behavior, most frequently via numerical modeling and simulation. However, there has been little, if any, physical modeling and tests to verify the numerical modeling approaches and assumptions. This paper presents results of five pairs of centrifuge tests designed to investigate the influence of various factors on the behavior of buried high-density polyethylene (HDPE) pipelines subjected to strike-slip faulting. Parameters considered are the soil moisture content, fault offset rate, relative burial depth (H/D), and pipe diameter. The centrifuge test results show that pipe behavior, specifically pipe strain, is nominally not affected by the soil moisture content and fault offset rate when the pipe is subjected to strike-slip faulting. On the other hand, the burial depth ratio (H/D) and pipe diameter influence peak pipe strain, and in some cases, the ground soil failure pattern.

    Original languageEnglish (US)
    Pages (from-to)415-427
    Number of pages13
    JournalSoil Dynamics and Earthquake Engineering
    Volume29
    Issue number3
    DOIs
    StatePublished - Mar 1 2009

    Fingerprint

    Faulting
    earthquakes
    pipes
    Earthquakes
    faulting
    pipe
    Pipelines
    Pipe
    earthquake
    centrifuges
    Soil moisture
    Centrifuges
    centrifuge
    soil water content
    moisture content
    Moisture
    soil moisture
    modeling
    testing
    High density polyethylenes

    Keywords

    • Buried pipeline
    • Centrifuge
    • Fault offset rate
    • Influencing parameters
    • Permanent ground deformation
    • Pipe diameter
    • Relative burial ratio
    • Soil moisture content

    ASJC Scopus subject areas

    • Soil Science
    • Geotechnical Engineering and Engineering Geology
    • Civil and Structural Engineering

    Cite this

    Factors influencing the behavior of buried pipelines subjected to earthquake faulting. / Abdoun, Tarek; Ha, Da; O'Rourke, Michael J.; Symans, Michael D.; O'Rourke, Thomas D.; Palmer, Michael C.; Stewart, Harry E.

    In: Soil Dynamics and Earthquake Engineering, Vol. 29, No. 3, 01.03.2009, p. 415-427.

    Research output: Contribution to journalArticle

    Abdoun, Tarek ; Ha, Da ; O'Rourke, Michael J. ; Symans, Michael D. ; O'Rourke, Thomas D. ; Palmer, Michael C. ; Stewart, Harry E. / Factors influencing the behavior of buried pipelines subjected to earthquake faulting. In: Soil Dynamics and Earthquake Engineering. 2009 ; Vol. 29, No. 3. pp. 415-427.
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