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bu tong yang hu tiao jian xia hun ning tu zao qi nei bu xiang dui shi du bian hua de yan jiu ( yi )
Author(s): 
Pages: 3-4
Year: Issue:  5
Journal:  Research & Application of Building Materials

Keyword:  内部相对湿度 自干燥 水分扩散 水养护;
Abstract: 采用混凝土内部相对湿度测试方法,研究了不同养护条件下,不同水灰比的混凝土早期内部相对湿度(IRH)的变化规律。研究表明,在无养护条件下,混凝土早期IRH下降主要受水分扩散与自干燥的影响。随着水灰比的减小,水分扩散对IRH的影响减小,自干燥的影响增大,IRH的下降幅度增大。水养护对延迟混凝土早期IRH的下降有一定作用,水灰比越大,作用越明显。
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