DAMAGE NUCLEATION OF CEMENT MORTAR UNDER COMPRESSIVE LOADING

被引：0
|
作者：
Chen, Jian-Kang [1 ]
Zhang, Ming-Hua [1 ]
机构：
[1] Ningbo Univ, Dept Engn Sci & Mech, Ningbo, Zhejiang, Peoples R China
来源：
MICROSTRUCTURE RELATED DURABILITY OF CEMENTITIOUS COMPOSITES, VOLS 1 AND 2 | 2008年 / 61卷
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TB33 [复合材料];
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摘要：
The compressive strength of cement mortar is a very important parameter for designing concrete materials. The common method for measuring the compressive strength is uniaxial compressive experiment. Experimental results show that the micro-crack evolution is always in the direction parallel to that of compressive load. By virtue of Eshelby's equivalent inclusion theory and Mori-Tanaka's scheme, the nucleation mechanism of miscro-crack in cement. mortar is investigated. The results obtained in the present work show that the tensile stress at the surface of microvoids leads to the nucleation of the micro-cracks.
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页码：943 / 951
页数：9
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