Chunan Tang   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Main positions: President of international exchange committee of the Chinese Society of Rock Mechanics and Engineering CSRME
Other Post: Vice President of the Chinese Society of Rock Mechanics and Engineering CSRME

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Language:English

Paper Publications

Title of Paper:脆性基多孔材料孔洞的尺寸效应及其破坏模式研究

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Date of Publication:2007-03-20

Journal:岩土力学

Included Journals:EI、PKU、ISTIC、CSCD

Volume:28

Issue:3

Page Number:631-634

ISSN No.:1000-7598

Key Words:多孔脆性材料;破坏机制;尺寸效应;破坏局部化

Abstract:运用材料真实破坏过程分析系统RFPA2D,对含多孔的脆性材料进行单轴加载情况下的破坏机制以及孔洞的尺寸效应研究.其中的数值模型具有同样的尺寸(高×宽=65mm×l00mm)、同样的孔洞分布类型、同样的孔隙率(20%)、不同的孔洞直径.数值计算的结果显示,各种孔径的模型具有近似的抗压强度,并且可以观察到没有裂纹局部化的拉破坏模式.结果表明,含孔脆性材料的近似脆性行为并没有引起材料的尺寸效应.

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