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

机译:寒冷地区的桩性能研究和最新实践

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摘要

A pile foundation is commonly adopted in geotechnical engineering to support structures, and its application has been ex-tended 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 haz-ards, (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 develop-ment trend of pile foundations in cold regions and recommend further research.
机译:岩土工程中通常采用桩基础来支撑结构,并且其应用已扩展到寒冷地区工程。在过去的几十年中,许多学者研究了桩的行为,并提出了季节性冻土或多年冻土的设计准则。本文回顾了有关寒冷地区桩性能和工程实践的研究,其组织如下:(1)蠕变测试和承载力,(2)防霜冻危险桩,(3)横向荷载桩,(4)动态响应;(5)由于混凝土水化热而重新冻结;(6)改进了对策和设计方法。我们首先总结以前的研究和最近的进展;然后,预测寒冷地区桩基的发展趋势,并建议进一步的研究。

著录项

  • 来源
    《寒旱区科学(英文版)》 |2018年第1期|1-11|共11页
  • 作者单位

    Research Institute of Subgrade and Foundation Engineering, School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China;

    Key Laboratory of Highway Construction and Maintenance Technology in Permafrost Region, Qinghai Research Institute of Transportation, Xining, Qinghai 810000, China;

    Research Institute of Subgrade and Foundation Engineering, School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China;

    Department of Civil and Environmental Engineering, University of Wisconsin-Madison, Madison WI 53706, United States;

    State Key Laboratory of Frozen Soil Engineering, Northwest Institute of Eco-Environment and Resources, Chinese Academy Sciences, Lanzhou, Gansu 730000, China;

  • 收录信息 中国科学引文数据库(CSCD);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

  • 入库时间 2022-08-19 03:41:27
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