石粉对机制砂混凝土性能影响的研究进展  

Research Progress on Influence of Microfines on Manufactured Sand Concrete′s Performance

作　　者：刘战鳌[1] 周明凯[1] 李北星[1] 

机构地区：[1]武汉理工大学硅酸盐建筑材料国家重点实验室,武汉430070

出　　处：《材料导报》2014年第19期100-103,共4页Materials Reports

基　　金：西部交通建设科技项目(2009318811082)

摘　　要：石粉是机制砂中粒径小于75μm的颗粒,其对混凝土性能的影响是机制砂混凝土研究领域的核心问题。通过查阅国内外相关文献,系统总结了石粉对机制砂混凝土工作性、力学性能、耐久性和体积稳定性影响的研究成果,深入分析了当前该领域研究所存在的不足,并相应指明了未来的研究方向。Microfines refer to fine particles passing 0.075 mm-sieve in manufactured sand,and their influence on concrete performance is a hot topic in research area of manufactured sand concrete.By means of consulting domestic and overseas literatures,research achievements on influence of microfines on workability,mechanical property,durability and volume stability of concrete,are systematically summarized.The problems currently existed in that area are deeply analyzed,and the direction for future research is pointed out.

关 键 词：石粉 机制砂 含量 特性 混凝土 

分 类 号：TU528[建筑科学—建筑技术科学]