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Analysis of bearing capacity of pile foundation in discontinued permafrost regions
Received:April 10, 2017  Revised:May 10, 2017  Click here to download the full text
Citation of this paper:JiLiang Wang,ChenXi Zhang,XinLei Na,2017.Analysis of bearing capacity of pile foundation in discontinued permafrost regions.Sciences in Cold and Arid Regions,9(4):420~424.
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Author NameAffiliationE-mail
JiLiang Wang Heilongjiang Province Academy of Cold Area Building Research, Harbin, Heilongjiang 150060, China wangjiliang@sohu.com 
ChenXi Zhang Heilongjiang Province Academy of Cold Area Building Research, Harbin, Heilongjiang 150060, China  
XinLei Na Golder Assocuates Inc., Anchorage, Alaska 99507, United States of America  
 
Abstract:Piles are the main building foundation in permafrost regions. Thawing the permafrost foundation would have a negative effect on a pile, and may cause damage to the building. This paper focuses on the effects of negative friction force due to the melt of permafrost, and presents four calculated methods for bearing capacity of a pile. An engineering station was taken as an example, where the lengths of a pile were compared based on four methods. Finally, quick field load tests were carried out, and some meaningful conclusions are presented. Thus, these analytical results can be used to design a pile for permafrost regions.
keywords:discontinued permafrost  pile  bearing capacity  negative friction force
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