冻土路基尺度效应理论研究进展与展望

汪双杰; 陈建兵; 金龙; 董元宏

doi:10.13204/j.gyjzG23081216

冻土路基尺度效应理论研究进展与展望

doi: 10.13204/j.gyjzG23081216

汪双杰^1,3,4,
陈建兵^2,3,4,
金龙^2,3,4, ,,
董元宏^2,3,4

1. 中国交通建设集团有限公司, 北京 100120;
2. 中交第一公路勘察设计研究院有限公司, 西安 710075;
3. 极端环境绿色长寿道路工程全国重点实验室, 西安 710075;
4. 青海花石峡冻土公路工程安全国家野外科学观测研究站, 西安 710075

基金项目:

第二次青藏高原综合科学考察研究（2019QZKK0905）；中国交建科技研发项目（2020-ZJKJ-PTJS04，2020-ZJKJ-QNCX09，2020-ZJKJ-PTJS12）。

详细信息

作者简介:
汪双杰,男,1962年出生,教授级高级工程师。

通讯作者:
金龙,jlcoolmail@163.com。

计量
- 文章访问数: 118
- HTML全文浏览量: 20
- PDF下载量: 7
- 被引次数: 0
出版历程
- 收稿日期: 2023-08-12
- 网络出版日期: 2023-11-08

Research Advances and Prospect of Scale Effect Theory of Permafrost Roadbed

WANG Shuangjie^1,3,4,
CHEN Jianbing^2,3,4,
JIN Long^{2,3,4
, ,},
DONG Yuanhong^2,3,4

1. China Communications Construction Company Limited, Beijing 100120, China;
2. CCCC First Highway Consultants Co., Ltd., Xi'an 710075, China;
3. National Key Laboratory of Green and Long-Life Road Engineering in Extreme Environment, Xi'an 710075, China;
4. Qinghai Huashixia Permafrost Highway Engineering Safety National Observation and Research Station, Xi'an 710075, China

摘要

摘要: 多年冻土与路基工程之间复杂的水热力相互作用表现出显著的尺度效应，空间尺度、时间尺度和结构性态等都会对其产生影响。对冻土路基尺度效应的深入认识是揭示大尺度冻土路基热融风险机理、融沉防控的重要理论基础。近几十年来，基于室内外试验和数值分析等方法，冻土路基尺度效应研究从现象到机理，最终形成了理论体系，取得充分发展。文章总结了冻土路基尺度效应理论体系、研究方法，梳理了近年来在上边界条件、空间效应、时间效应和结构效应等方面的研究进展，并在此基础上对今后的研究重点提出了一些构想。
- 多年冻土 /
- 尺度效应 /
- 路基工程 /
- 研究进展
Abstract: The complex hydrological-, thermal-mechanical interactions between permafrost and roadbed engineering exhibit significant scale effects, which are influenced by spatial scale, temporal scale, and structural state. The in-depth understanding of the scale effects of permafrost roadbed is an important theoretical basis for revealing the thawing risk mechanism of large-scale permafrost roadbed and preventing thawing settlement. In recent decades, based on methods such as laboratory and field experiments and numerical analysis, the study of scale effects on permafrost roadbeds has evolved from phenomena to mechanisms, ultimately forming a theoretical system and achieving full development. The theoretical system and research methods of the scale effects of permafrost roadbed were summarized, and the research advances in recent years in terms of upper boundary conditions, spatial effects, time effects, and structural effects were reviewed. Based on this, some ideas were proposed for future research priorities.
- permafrost /
- scale effect /
- roadbed engineering /
- research advance

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参考文献(84)

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