刘增利   

Senior Engineer
Supervisor of Master's Candidates

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Paper Publications

Title of Paper:冻土中微裂纹尺寸的识别与确认

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Date of Publication:2004-04-30

Journal:岩土力学

Included Journals:Scopus、EI、PKU、ISTIC、CSCD

Volume:25

Issue:4

Page Number:534-537

ISSN No.:1000-7598

Key Words:冻土;微裂纹尺寸;识别与确认;当量裂纹

Abstract:在对冻土微观结构试验观测的基础上,提出了对冻土中微裂纹尺寸进行识别和确认的方法,给出了3种典型土质在不同温度下的微裂纹尺寸参考值,为应用冻土强度破坏准则进行定量计算与分析提供依据.将冻土微裂纹损伤区作为冻土体的缺陷处理,并按"当量化裂纹"原则,把冻土微裂纹损伤区简化为"当量裂纹",如此给出了理论估算微裂纹尺寸的新途径.把理论计算与试验观测结果进行比较,二者符合较好.

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