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	Mechanism of fly ash's effects during hydration process of composite binder
	Yan Peiyu
	2010-05-11 ; 2010-05-11
关键词	Experimental/ concrete fly ash hardening solvation/ fly ash effects hydration composite binder hardening pozzolanic reactivity alkaline substances sulfate ready-mixed concrete thermal activation thermal stimulation mineral admixture/ A8230N Association, addition, and insertion A8140 Treatment of materials and its effects on microstructures and properties E1710 Engineering materials
中文摘要	The effect of fly ash during the hydrating and hardening process of composite binder was studied. The enhancing effect of chemical, physical and thermal stimulation on the reactivity of fly ash was also analyzed. Methods for determining the reaction degree of fly ash were introduced. The pozzolanic reactivity of fly ash can be activated by alkaline substances and sulfate, but chemical activation is not appropriate for use during the production of ready-mixed concrete. Physical and thermal activation are two effective techniques to enhance the efficiency of fly ash. Thermal stimulation is especially suitable for massive structures. Ca (OH)/sub 2/ is not consumed heavily when composite binder is hydrated due to the low degree of fly ash reaction. Mineral admixture participates in the hydration process of composite binder with a physical filling effect in the initial period. The pozzolanic reactivity of fly ash increases gradually with the extension of hydrating time.
语种	中文 ; 中文
出版者	Chinese Ceramic Society ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/27540]
专题	清华大学
推荐引用方式 GB/T 7714	Yan Peiyu. Mechanism of fly ash's effects during hydration process of composite binder[J],2010, 2010.
APA	Yan Peiyu.(2010).Mechanism of fly ash's effects during hydration process of composite binder..
MLA	Yan Peiyu."Mechanism of fly ash's effects during hydration process of composite binder".(2010).

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