Sciences in Cold and Arid Regions ›› 2017, Vol. 9 ›› Issue (4): 420–424.doi: 10.3724/SP.J.1226.2017.00420

• ARTICLES • 上一篇    

Analysis of bearing capacity of pile foundation in discontinued permafrost regions

JiLiang Wang1, ChenXi Zhang1, XinLei Na2   

  1. 1. Heilongjiang Province Academy of Cold Area Building Research, Harbin, Heilongjiang 150060, China;
    2. Golder Assocuates Inc., Anchorage, Alaska 99507, United States of America
  • 收稿日期:2017-04-10 修回日期:2017-05-10 发布日期:2018-11-23
  • 通讯作者: JiLiang Wang, Heilongjiang Province Academy of Cold Area Building Research. No. 60, Qingbin Road, Harbin, Heilongjiang 150060, China. Tel: +86-451-86304197; E-mail: wangjiliang@sohu.com E-mail:wangjiliang@sohu.com

Analysis of bearing capacity of pile foundation in discontinued permafrost regions

JiLiang Wang1, ChenXi Zhang1, XinLei Na2   

  1. 1. Heilongjiang Province Academy of Cold Area Building Research, Harbin, Heilongjiang 150060, China;
    2. Golder Assocuates Inc., Anchorage, Alaska 99507, United States of America
  • Received:2017-04-10 Revised:2017-05-10 Published:2018-11-23
  • Contact: JiLiang Wang, Heilongjiang Province Academy of Cold Area Building Research. No. 60, Qingbin Road, Harbin, Heilongjiang 150060, China. Tel: +86-451-86304197; E-mail: wangjiliang@sohu.com E-mail:wangjiliang@sohu.com

摘要: 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.

关键词: discontinued permafrost, pile, bearing capacity, negative friction force

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.

Key words: discontinued permafrost, pile, bearing capacity, negative friction force

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[1] JianKun Liu, TengFei Wang, Zhi Wen. Research on pile performance and state-of-the-art practice in cold regions[J]. Sciences in Cold and Arid Regions, 2018, 10(1): 1-11.
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