刘增利   

Senior Engineer
Supervisor of Master's Candidates

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Paper Publications

冻土与界面断裂韧度KⅡC的实验研究

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Indexed by:Journal Article

Date of Publication:1997-01-01

Journal:大连理工大学学报

Included Journals:CSCD、PKU

Volume:37

Issue:1

Page Number:20

ISSN:1000-8608

Key Words:冻土; 断裂韧度; 断裂力学; 界面

Abstract:采用四点弯曲装置,分别对全冻土及冻土与混凝土界面进行了KⅠC的实验测定,考虑了温度、水含量及加载速率对断裂韧度KⅠC的影响.全冻土与界面的KⅠC随温度和水含量的变化具有相似的规律,即随温度降低成线性增大;随水含量增加成非线性增大;在本实验范围内,两者均与加载速率无关

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