骨料的加工和采集过程中可能会夹杂一些粘土质微细颗粒,这些杂质会对混凝土和减水剂的性能造成不利影响.本文介绍了骨料中粘土质微细颗粒的来源和主要矿物组成,不同种类粘土对混凝土工作性能、减水剂性能和混凝土硬化性能的影响及其机理,并对目前各种控制骨料中粘土质微细颗粒的方法进行了探讨,以期为后续的研究提供一定的参考价值.
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