Effect of rice husk ash on high-Temperature mechanical properties and microstructure of concrete

被引：19
|
作者：
Wang W.-H. [1 ,2 ]
Meng Y.-F. [1 ,2 ]
Wang D.-Z. [1 ]
机构：
[1] School of Civil Engineering and Hydraulic Engineering, Ningxia University, Yinchuan Ningxia
[2] Yinchuan Energy Institute, Yinchuan, Ningxia
来源：
Meng, Y.-F. (2979526409@qq.com) | 2017年 / Croatian Society of Chemical Engineers卷 / 66期
关键词：
Compressive strength; Concrete; High temperature; Rice husk ash;
D O I：
10.15255/KUI.2016.054
中图分类号：
学科分类号：
摘要：
Effects of rice husk ash (RHA) on the strength and temperature resistance of concrete were investigated. Different amounts of cement in concrete were replaced by RHA and fly ash (FA), used as mineral admixtures, under the condition of a constant binder content. The compressive strength and temperature resistance were tested at different temperatures. The results show that mixing concrete with the appropriate amounts of RHA can improve its compressive strength. At 800°C, the strength is 50 % greater than that of normal concrete (NC). Thus, RHA can improve the strength and temperature resistance of concrete.
引用
收藏
页码：157 / 164
页数：7
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