Monitoring the Influence of Aminosilane on Cement Hydration Via Low-field NMR Relaxometry

被引：0
|
作者：
Alexandra Pop
Andrea Bede
Mircea Cristian Dudescu
Florin Popa
Ioan Ardelean
机构：
[1] Technical University of Cluj-Napoca,Department of Physics and Chemistry
来源：
Applied Magnetic Resonance | 2016年 / 47卷
关键词：
Flexural Strength; Cement Paste; Hydration Process; Ground Granulate Blast Furnace Slag; Aminosilane;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Nuclear magnetic resonance (NMR) relaxometry is used here as a noninvasive tool to monitor the influence introduced by the addition of 3-Aminopropyltriethoxysilane (APTES) on the hydration of pure cement paste and a cement paste containing quartz powder. It is observed extension of the dormancy stage up to 12 h in the presence of the aminosilane and a slight reduction in the size of capillary pores. The extension of the dormancy stage can be also associated with a slower hydration process which leads to enhancement of the final flexural strength in the case of sample containing quartz.
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页码：191 / 199
页数：8
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