The influence of air-entraining admixture to concrete early shrinkage and cracking and its mechanism analysis

被引：0

作者：

Gao, Chunyong ^{[1
]}

Wang, Ling ^{[1
]}

机构：

[1] China Bldg Mat Acad, Beijing 100024, Peoples R China

来源：

PROCEEDINGS OF THE 6TH INTERNATIONAL SYMPOSIUM ON CEMENT & CONCRETE AND CANMET/ACI INTERNATIONAL SYMPOSIUM ON CONCRETE TECHNOLOGY FOR SUSTAINABLE DEVELOPMENT, VOLS 1 AND 2 | 2006年

关键词：

air-entraining admixture; shrinkage cracking; drying shrinkage;

D O I：

暂无

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

The influence of mixed air-entraining admixture in superplasticizer to concrete drying shrinkage and early shrinkage and cracking performance has been investigated in this text according to flat shrinkage cracking and criterion drying shrinkage method. The results indicate that: the SJ-2 air-entraining admixture mixed in superplasticizer appropriately will enhance the tensile strength and improve the concrete performance to resist shrinkage and cracking. The water-reducing function and dosage should be regarded in air-entraining admixture's using process, in this condition, the concrete strength and function to resist shrinkage and cracking can be enhanced with the same workability.

引用

页码：1618 / 1624

页数：7

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