Effect of Freeze-thaw Cycles on Bond Strength between Steel Bars and Concrete

被引：0
|
作者：
JI Xiaodong1
2.School of Soil and Water Conservation
3.High School Affiliated to Renmin University of China
机构：
来源：
Journal of Wuhan University of Technology(Materials Science) | 2008年 / 04期
基金：
中国国家自然科学基金;
关键词：
concrete; freeze-thaw cycles; stress ratio; strength criteria;
D O I：
暂无
中图分类号：
TB302 [工程材料试验];
学科分类号：
0805 ; 080502 ;
摘要：
The effect of freezing and thawing cycles on mechanical properties of concrete(compressive, splitting tensile strength)was experimentally investigated.According to the pullout test data of three kinds of deformed steel bars,the bond stress-slip curves after freezing and thawing were obtained.The empirical equations of peak bond strength were proposed that the damage accounted for effects of freezing and thawing cycle.Meanwhile,the mechanism of bond deterioration between steel bars and concrete after freezing and thawing cycles was discussed.All these conclusions will be useful to the durability design and reliability calculation of RC structures in cold region.
引用
收藏
页码：584 / 588
页数：5
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