Cracking Tendency of Restrained Concrete at Early Ages

被引：0
|
作者：
BA Hengjing SU Anshuang GAO Xiaojian TAO Qi (School of Civil Engineering
机构：
来源：
Journal of Wuhan University of Technology(Materials Science Edition) | 2008年 / 02期
基金：
中国国家自然科学基金;
关键词：
cracking tendency; shrinkage stress; tensile creep; concrete; early ages;
D O I：
暂无
中图分类号：
TU528.0 [一般性问题];
学科分类号：
0805 ; 080502 ; 081304 ;
摘要：
A modified testing system characterized by full automation,steady operation and high accuracy of strain and stress measurements was developed to determine the cracking tendency of high strength concrete(HSC)in restrained condition at early ages.The shrinkage stress and the tensile creep behavior of HSC at early ages were investigated.The influence of W/C ratio and curing conditions on the early-age shrinkage stress and tensile creep was evaluated.It was found that the lower W/C ratio and drying curing condition resulted in higher shrinkage stress,stress induced tensile creep and greater cracking tendency.
引用
收藏
页码：263 / 267
页数：5
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