Research on the Effect of Superfine Powder Micro Bead on the Properties of High-strength Concrete

被引：0

作者：

Lin, Xi ^{[1
]}

Ji, Xixian ^{[1
]}

Yin, Xinbo ^{[1
]}

Zhang, Hengchun ^{[1
]}

机构：

[1] China Construct Ready Mixed Concrete Chang Tong C, Fuzhou, Peoples R China

来源：

CURRENT TRENDS IN THE DEVELOPMENT OF INDUSTRY, PTS 1 AND 2 | 2013年 / 785-786卷

关键词：

Micro bead; High-strength concrete; Hydration temperature rise; Shrinkage property;

D O I：

10.4028/www.scientific.net/AMR.785-786.235

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A sub-micron spherical powder material-micro bead, which has good water reduction, filling and enhancement effect, could be used as active mineral admixture in high-strength concrete. The affection of micro bead on the hydration temperature rise, mechanical properties, and shrinkage properties of high-strength concrete were studied, and the results showed that: micro bead could reduce the highest temperature peak of concrete, and at the low water-cement ratio, its small dosage could develop the compressive strength of concrete, and after instead of silica fume with suitable dosage, it could reduce the shrinkage of high-strength concrete.

引用

页码：235 / 238

页数：4

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