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An investigation into the effect of burial depth ratio, pipe size, and soil type, in soil-pipeline interaction in sand

K. Badv, K.E. Daryani

In the proceedings of: GEO2010 Calgary: 63rd Canadian Geotechnical Conference & 6th Canadian Permafrost Conference

Session: M1-C

ABSTRACT: The effect of burial depth ratio, pipe size, and soil properties were investigated in upward and lateral soil-pipeline interaction in sand. This paper investigates the response of buried pipelines in sand to transverse PGD. Available analytical solutions provide a wide range of predicted peak dimensionless forces but there is limited information regarding the transition of the peak dimensionless force from shallow to deep embedment conditions. There are large uncertainly in the true values since the bounds established by the analytical solutions are large. In order to find the solution and to investigate its failure envelope in oblique direction, the numerical modeling of soil-pipe interaction is performed for different conditions. The study concludes that the effects of burial depth, pipe size, and soil type, must be taken into account to properly estimate the bearing capacity factors for sand in horizontal and vertical (upward) directions.

RÉSUMÉ: L'effet du taux d'enfouissement en profondeur, la taille du tube, et les propriétés du sol ont été étudiés dans le sol vers le haut et latéral interaction oléoduc dans le sable. Ce document examine la réponse des canalisations enfouies dans le sable transversal à un PDS. Les solutions analytiques disponibles fournissent une large gamme de prédire forces maximales sans dimension, mais il ya des informations limitées concernant le passage du pic de force sans dimension de peu profondes à des conditions d'encastrement de profondeur. Il existe de grandes incertitudes dans l'vraies valeurs depuis les limites établies par les solutions d'analyse sont importants. Afin de trouver la solution et d'enquêter sur l'échec de son enveloppe en direction oblique, la modélisation numérique de l'interaction sol-tuyau est effectuée pour différentes conditions. L'étude conclut que les effets de profondeur d'enfouissement, la taille du tube, et le type de sol, doit être pris en compte pour estimer correctement les facteurs de capacité portante pour le sable dans les directions horizontale et verticale (vers le haut).

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Cite this article:
K. Badv; K.E. Daryani (2010) An investigation into the effect of burial depth ratio, pipe size, and soil type, in soil-pipeline interaction in sand in GEO2010. Ottawa, Ontario: Canadian Geotechnical Society.

@article{GEO2010_043, author = K. Badv; K.E. Daryani,
title = An investigation into the effect of burial depth ratio, pipe size, and soil type, in soil-pipeline interaction in sand,
year = 2010
}