Research on pile performance and state-of-the-art practice in cold regions

被引：0

作者：

Jian Kun Liu ^{[1
,2
]}

Teng Fei Wang ^{[1
,3
]}

Zhi Wen ^{[4
]}

机构：

[1] Research Institute of Subgrade and Foundation Engineering, School of Civil Engineering, Beijing Jiaotong University

[2] Key Laboratory of Highway Construction and Maintenance Technology in Permafrost Region, Qinghai Research Institute of Transportation

[3] Department of Civil and Environmental Engineering, University of Wisconsin–Madison

[4] State Key Laboratory of Frozen Soil Engineering, Northwest Institute of Eco-Environment and Resources, Chinese Academy Sciences

来源：

Sciences in Cold and Arid Regions | 2018年 / 10卷 / 01期

基金：

中国国家自然科学基金;

关键词：

pile foundation; bearing capacity; creep test; pile design; frost jacking; permafrost;

D O I：

暂无

中图分类号：

TU473.1 [桩基];

学科分类号：

081401 ;

摘要：

A pile foundation is commonly adopted in geotechnical engineering to support structures, and its application has been extended to cold-regions engineering. In past decades, a host of scholars investigated pile behaviors and proposed design guidelines for seasonally frozen ground or permafrost. This paper reviews the research with respect to pile performance and engineering practice in cold regions, organized as follows:(1) creep tests and bearing capacity,(2) frost-jacking hazards,(3) laterally loaded piles,(4) dynamic responses,(5) refreezing due to concrete-hydration heat, and(6) improved countermeasures and design methods. We first summarize previous research and recent progress; then, predict the development trend of pile foundations in cold regions and recommend further research.

引用

页码：1 / 11

页数：11

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