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Effects of non-shrinkage additives' content on performance of self-compacting concrete
Author(s): 
Pages: 18-21
Year: Issue:  8
Journal: Port & Waterway Engineering

Keyword:  additives contentself-compaction concretemechanical propertyperformance;
Abstract: 外加剂的掺入是影响自密实混凝土工作性的一个主要因素.基于自密实混凝土(SCc)配合比的基本理论,研究无收缩外加剂ZM掺量对自密实混凝土工作性的影响,确定适合水利封堵工程混凝土的无收缩外加剂最佳的掺量.试验结果和实际工程应用表明:ZM的减水效果随掺量的增加而增加,且其减水剂饱和点为16% ~ 18%;外掺ZM掺量14%~ 16%时,自密实混凝土具有较好的力学性能和工作性能.
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