Frost heave prediction of chilled pipelines buried in unfrozen soils

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TypeArticle
Journal titleCanadian Geotechnical Journal
ISSN0008-3674
Volume21
Issue1
Pages100115; # of pages: 16
Subjectfrost heaving; gas pipelines; heat transfer; mass transfer; finite difference formulation; segregation potential; soil freezing characteristics
AbstractFrost heave is an important consideration in the design of buried chilled pipelines. A procedure for calculating the amount of heave under a chilled gas pipeline is presented based on a finite-difference formulation of the heat and mass transfer in saturated soils. The frost heave of the soil is characterized in terms of the segregation potential concept developed in earlier papers by the authors. Good agreement is found between the predictions of heave obtained with this procedure and that observed in long-term full- scale experiments at a test site in Calgary, Canada. Additional calculations are presented to explore the influence of pipeline temperature, pipe insulation, and ground temperature on frost heave of buried pipelines.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
IdentifierDBR-P-1344
NRC number25271
581
NPARC number20375883
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Record identifier2b008fb4-e025-4383-9135-98227a7a4e4f
Record created2012-07-23
Record modified2016-05-09
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