A review on use of limestone powder in cement-based materials: Mechanism, hydration and microstructures

被引：330
作者：
Wang, Dehui [1 ]
Shi, Caijun [2 ]
Farzadnia, Nima [2 ]
Shi, Zhenguo [3 ]
Jia, Huangfei [2 ]
Ou, Zhihua [4 ]
机构：
[1] Fuzhou Univ, Coll Civil Engn, Fuzhou 350116, Fujian, Peoples R China
[2] Hunan Univ, Coll Civil Engn, Changsha 410082, Hunan, Peoples R China
[3] Aarhus Univ, Interdisciplinary Nanosci Ctr iNANO, DK-8000 Aarhus C, Denmark
[4] Hunan Univ Technol, Sch Civil Engn, Zhuzhou 412007, Peoples R China
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2018年 / 181卷
基金：
美国国家科学基金会;
关键词：
Limestone powder; Action mechanism; Hydration process; Hydration products; Microstructure; SELF-COMPACTING CONCRETE; ATOMIC-FORCE MICROSCOPY; BLAST-FURNACE SLAG; SILICEOUS FLY-ASH; PORTLAND-CEMENT; STRENGTH DEVELOPMENT; BLENDED CEMENTS; FINES CONTENT; FILLER; SAND;
D O I：
10.1016/j.conbuildmat.2018.06.075
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Limestone powder (LS) has been widely used in cement-based materials; and reportedly, can influence their properties by filler, nucleation, dilution and chemical effects. The action mechanism of LS mainly depends on its particle size and amount. The filler effect of LS refines the microstructure and reduces the porosity of cement-based materials. Its nucleation effect accelerates the hydration of C3S, increases the amount of hydration products and reduces the porosity of cement-based materials at early ages. Its dilution effect reduces the hydration peak of C3S, decreases the amount of hydration products and increases the porosity of cement-based materials. Its chemical effect promotes the appearance of third hydration peak, forms carboaluminate and reduces the porosity of cement-based materials. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：659 / 672
页数：14
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