SYNTHESIS OF SHRINKAGE REDUCING ADMIXTURE AND THE MITIGATION EFFECTS ON CONCRETE SHRINKAGE

摘要：

By analyzing the probable shrinkage reducing substances, some shrinkage reducingchemicals were selected to be the ingredients of the shrinkage reducing admixture (SRA), andit was finally obtained through optimization. The influence of shrinkage reducing admixtureon autogcnous shrinkage was investigated. The results show that a proper addition of SRAcan remarkably reduce autogenous shrinkage, higher dosage of SRAs leads to a smallershrinkage. A proper composition of shrinkage reducing chemicals can result in a perfectshrinkage reducing effect that autogenous shrinkage can be reduced by 66％ and 58％ at theage of 3 days and 7 days respectively when the SRA dosage is 4％ of water.

作者: Xinwei Ma Lixin Cao Xueying Li

作者单位: School of Materials Science and Engineering,Harbin Institute of Technology,China School of Marine Engineering,Harbin Institute of Technology (Weihai),China

会议类型: 国际会议

会议名称: 1st International Conference on Microstructure Related Durability of Cementitious Composites(首届与水泥基复合材料耐久性相关的微观结构国际会议)

会议地点: 南京

会议语种:英文

页码: 967-972

在线出版日期: 2008-10-13（万方平台首次上网日期，不代表论文的发表时间）