Influence of nano-SiO2 and nano-CaCO3 on the mechanical properties of concrete with different strength grades

被引：3

作者：

Huang, Miaozhou ^{[1
]}

Meng, Tao ^{[1
]}

Qian, Xiaoqian ^{[1
]}

Zhang, Jinjian ^{[1
]}

机构：

[1] Zhejiang Univ, Coll Civil Engn & Architecture, Hangzhou 310058, Zhejiang, Peoples R China

来源：

ADVANCED BUILDING MATERIALS, PTS 1-4 | 2011年 / 250-253卷 / 1-4期

关键词：

concrete; nano-SiO2; nano-CaCO3; mechanical property; microstructure;

D O I：

10.4028/www.scientific.net/AMR.250-253.480

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The flow ability, mechanical properties and microstructure of concrete with different strength grades affected by nano-SiO2 and nano-CaCO3 was studied. The experiment results showed that the strength of concrete at early age was increased by adding the nano-materials if the strength grade of concrete was not high. But the strength at the age of 28 days was not affected a lot by adding these nano-materials. On the other hand, it was not useful to the strength if the strength grade of concrete was high.

引用

页码：480 / 484

页数：5

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