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

被引：28

作者：

Liu, JianKun ^{[1
,3
]}

Wang, TengFei ^{[1
,2
]}

Wen, Zhi ^{[4
]}

机构：

[1] Beijing Jiaotong Univ, Sch Civil Engn, Res Inst Subgrade & Fdn Engn, 3 Shangyuancun Haidian Dist, Beijing 100044, Peoples R China

[2] Univ Wisconsin Madison, Dept Civil & Environm Engn, Madison, WI 53706 USA

[3] Qinghai Res Inst Transportat, Key Lab Highway Construct & Maintenance Technol P, Xining 810000, Qinghai, Peoples R China

[4] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Gansu, Peoples R China

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：

10.3724/SP.J.1226.2018.00001

中图分类号：

P9 [自然地理学];

学科分类号：

0705 ; 070501 ;

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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