Long-term Field Observations of Cyclical and Cumulative Pipe and Ground Movements in Permafrost Terrain, Norman Wells Pipeline, Northwest Territories Canada
Sharon L. Smith, Margo M. Burgess
Dans les comptes rendus d’articles de la conférence: GEO2010 Calgary: 63rd Canadian Geotechnical Conference & 6th Canadian Permafrost ConferenceSession: W1-C
ABSTRACT: ieldObservationsofCyclicalandCumulativePipeandGroundMovementsinPermafrostTerrain,NormanWellsPipeline,NorthwestTerritoriesCanadaSharonL.Smith&MargoM.BurgessGeologicalSurveyofCanada,NaturalResources,Canada,Ottawa,Ontario,CanadaABSTRACTPipeandgroundmovementshavebeendocumentedsincethemid1990sattwopermafrostsitesinthefirst5kmoftheNormanWellsPipelineroutetoinvestigatetheeffectofseasonalcyclingofoilinlettemperature.Seasonalpipemovementsofabout0.2-0.5mhaveoccurredinresponsetoheaveandsettlementrelatedtothecyclicalpipeandgroundtemperatures.Atonesite,wherepipeupliftinitiallyoccurredinresponsetothecyclicalpipetemperature,agravelbermhasbeeneffectiveinreversingtheupwardmovementandinreducingseasonalmovements.Cumulativepipesettlementupto0.3mhasoccurredattheothersiteandlikelyresultedfromincreasingthawpenetration.Cumulativegroundsettlementhasbeengreaterthan0.3m.
Please include this code when submitting a data update: GEO2010_182
Retrouver cet article:
Les membres de la Société canadienne de géotechnique peuvent accéder à cet article, ainsi qu'à tous les autres articles de la Conférence Géotechnique Canadienne, dans le Espace membre. Les comptes rendus d'articles sont également disponibles dans de nombreuses bibliothèques.
Citer cet article:
Sharon L. Smith; Margo M. Burgess (2010) Long-term Field Observations of Cyclical and Cumulative Pipe and Ground Movements in Permafrost Terrain, Norman Wells Pipeline, Northwest Territories Canada in GEO2010. Ottawa, Ontario: Canadian Geotechnical Society.
@article{GEO2010_078,
author = Sharon L. Smith; Margo M. Burgess,
title = Long-term Field Observations of Cyclical and Cumulative Pipe and Ground Movements in Permafrost Terrain, Norman Wells Pipeline, Northwest Territories Canada ,
year = 2010
}
title = Long-term Field Observations of Cyclical and Cumulative Pipe and Ground Movements in Permafrost Terrain, Norman Wells Pipeline, Northwest Territories Canada ,
year = 2010
}