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混凝土早期自收缩与弹性模量的相关性试验研究 被引量:2

Experimental Study on the Correlativity of Early Stage Autogenous Shrinkage and Elastic Modulous of Concrete
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摘要 研究了混凝土早期自收缩与相应弹性模量之间的关系,并分析了水灰比及砂率对混凝土早期自收缩及弹性模量的影响规律。研究结果表明:混凝土早期自收缩大小与相应的弹性模量具有显著的线性相关性;水灰比越小,混凝土早期弹性模量越大,自收缩也越大;砂率越大,早期弹性模量越小,自收缩反而越大,并且存在一个最佳砂率,使得弹性模量与自收缩对混凝土开裂的综合影响降到最小值。
作者 谢丽 丁武洋
出处 《浙江建筑》 2011年第12期59-62,共4页 Zhejiang Construction
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