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	Effect of polycarboxylate-type superplasticizer on the paste fluidity based on the water film thickness of flocs
	WU Qiong ; AN XueHui ; LIU ChunNa ; WU Qiong ; AN XueHui ; LIU ChunNa
	2016-03-30 ; 2016-03-30
关键词	water film thickness of flocs superplasticizer sedimentation balance method fluidity limestone powder paste TU528.042.2
其他题名	Effect of polycarboxylate-type superplasticizer on the paste fluidity based on the water film thickness of flocs
中文摘要	The excess water film theory and the properties of flocs are integrated to examine the effect of the polycarboxylate-type superplasticizer on the paste fluidity.The theory states that excess water can surround the flocs rather than the particles and that the cell consists of a floc and a superficial water film.Experiments on limestone powder pastes were conducted to verify the theory.The superplasticizer dosage(sp%)and the water–powder ratio by volume(Vw/Vp)were systematically varied.A sedimentation balance method was used to measure the size distribution of the flocs in the limestone powder pastes.The water film thickness(WFT)of flocs was then calculated and shown to determine the paste fluidity.Based on this WFT of flocs,the effect of the sp on the paste fluidity was determined and then compared with the effect of water.; The excess water film theory and the properties of flocs are integrated to examine the effect of the polycarboxylate-type superplasticizer on the paste fluidity. The theory states that excess water can surround the flocs rather than the particles and that the cell consists of a floc and a superficial water film. Experiments on limestone powder pastes were conducted to verify the theory. The superplasticizer dosage(sp%) and the water–powder ratio by volume(Vw/Vp) were systematically varied. A sedimentation balance method was used to measure the size distribution of the flocs in the limestone powder pastes. The water film thickness(WFT) of flocs was then calculated and shown to determine the paste fluidity. Based on this WFT of flocs, the effect of the sp on the paste fluidity was determined and then compared with the effect of water.
语种	英语 ; 英语
内容类型	期刊论文
源URL	[http://ir.lib.tsinghua.edu.cn/ir/item.do?handle=123456789/144946]
专题	清华大学
推荐引用方式 GB/T 7714	WU Qiong,AN XueHui,LIU ChunNa,et al. Effect of polycarboxylate-type superplasticizer on the paste fluidity based on the water film thickness of flocs[J],2016, 2016.
APA	WU Qiong,AN XueHui,LIU ChunNa,WU Qiong,AN XueHui,&LIU ChunNa.(2016).Effect of polycarboxylate-type superplasticizer on the paste fluidity based on the water film thickness of flocs..
MLA	WU Qiong,et al."Effect of polycarboxylate-type superplasticizer on the paste fluidity based on the water film thickness of flocs".(2016).

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