Effect of non-uniform straining in concrete compressive strength tests

被引：0
|
作者：
Luker, I
Tabsh, SW
机构：
[1] Univ Witwatersrand, Sch Civil & Environm Engn, ZA-2050 Wits, South Africa
[2] Amer Univ Sharjah, Civil Engn Program, Sch Engn, Sharjah, U Arab Emirates
来源：
CEMENT CONCRETE AND AGGREGATES | 2004年 / 26卷 / 02期
关键词：
concrete; compressive strength; error; experiment; modeling; precision; stress-strain relationship; testing; variability;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
If a concrete specimen is tested to failure in compression and the machine allows the longitudinal strain in the specimen to be non-uniform over the cross-section of the specimen at its maximum load, then that load is lower than it would be if the strains were uniform. The results of an experimental study on the magnitude of the effect of non-uniform straining on apparent concrete strength are presented, showing how it varies for low, medium, and high strength concrete. Simple theoretical modeling is shown to reproduce the measured results well. Suggestions are also included for the application of the information presented.
引用
收藏
页码：42 / 51
页数：10
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