Research on Influence of Thermosiphon Layout on Cooling Effect on Transmission Line Pile Foundation in Permafrost Region

Hao Lin Yu; Xue Yan Xu; Wei Wang; Ming Xuan Li

doi:10.4028/www.scientific.net/AMM.530-531.971

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 530-531Research on Influence of Thermosiphon Layout on...

Research on Influence of Thermosiphon Layout on Cooling Effect on Transmission Line Pile Foundation in Permafrost Region

Abstract:

Research work on the thermosiphon layout design of transmission line pile foundation in Geermu permafrost region was performed by finite element method and the influence of thermosiphon layout design on the temperature of soil around pile foundation was calculated and analyzed. The numerical calculation results indicated that the cooling effect of thermosiphon was obvious, but the coolling effect varied with the difference of thermosiphon layout design. The more thermosiphon bars were laid out aound pile foundation, the lower the temperature of soil around pile foundation. The cooling effect of thermosiphon on pile foundation and soil became weaker and weaker with the increment of the horizontal distance between soil and thermosiphon-pile. The layout design of 12 thermosiphon bars was the best for the transmission line pile foundation in permafrost region.

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Periodical:

Applied Mechanics and Materials (Volumes 530-531)

Pages:

971-974

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.530-531.971

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Online since:

February 2014

Authors:

Hao Lin Yu*, Xue Yan Xu, Wei Wang, Ming Xuan Li

Keywords:

Cooling Effect of Thermosiphon, Geermu Permafrost Region, Temperature of Soil around Pile Foundation, Thermosiphon Layout Design

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