Effect of Flue Gas Desulfurization Gypsum on the Properties of Calcium Sulfoaluminate Cement Blended with Ground Granulated Blast Furnace Slag

被引：24
|
作者：
Gao, Danying [1 ]
Zhang, Zhenqing [1 ]
Meng, Yang [2 ]
Tang, Jiyu [2 ]
Yang, Lin [1 ]
机构：
[1] Zhengzhou Univ, Sch Water Conservancy Engn, Zhengzhou 450001, Peoples R China
[2] Zhengzhou Univ, Sch Civil Engn, Zhengzhou 450001, Peoples R China
来源：
MATERIALS | 2021年 / 14卷 / 02期
基金：
中国国家自然科学基金;
关键词：
calcium sulfoaluminate cement; flue gas desulfurization gypsum; hydration; mechanical strength; microstructure; AH(3) PHASE; HYDRATION; YEELIMITE;
D O I：
10.3390/ma14020382
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
This work aims to investigate the effect of additional flue gas desulfurization gypsum (FGDG) on the properties of calcium sulfoaluminate cement (CSAC) blended with ground granulated blast furnace slag (GGBFS). The hydration rate, setting time, mechanical strength, pore structure and hydration products of the CSAC-GGBFS mixture containing FGDG were investigated systematically. The results show that the addition of FGDG promotes the hydration of the CSAC-GGBFS mixture and improves its mechanical strength; however, the FGDG content should not exceed 6%.
引用
收藏
页码：1 / 17
页数：15
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