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	Evaluation of concrete permeability by monitoring alkali saturated conductivity of concrete incorporating mineral admixtures
	Quan-Lin Niu ; Nai-Qian Feng
	2010-10-12 ; 2010-10-12
关键词	Experimental/ concrete diffusion fly ash permeability porosity quality control ready-mixed materials slag/ concrete permeability mineral admixtures concrete conductivity micro pore structure concrete porosity alkali saturated concrete zeolite fly ash metakaolin silica fume slag/ E3634 Cement and concrete industry E1525 Industrial processes E1610 Inspection and quality control E1710 Engineering materials
中文摘要	Concrete conductivity is the reflection of the micro pore structure and the pore solution conductivity of concrete, but the conductivity of pore solution changes considerably as different mineral admixtures are added, though the change is not always relevant to permeability and Cl/sup -/ diffusivity. Saturation of concrete capillary pore system with 1 mol/1 KOH solution through vacuum processing was tempted to maintain the pore solution conductivity constant, after which the concrete conductivity was a reflection of concrete porosity and tortuousity that closely related to Cl/sup -/ diffusivity. Charge passed of concrete was also measured for comparison. It is shown that the conductivity of alkali saturated concrete without mineral admixtures was the biggest, followed by the concrete with natural zeolite (20%), fly ash (30%), slag (40%) metakaolin 20% and 10% of silica fume.
语种	英语
出版者	Trans Tech Publications Ltd. ; Switzerland
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/82117]
专题	清华大学
推荐引用方式 GB/T 7714	Quan-Lin Niu,Nai-Qian Feng. Evaluation of concrete permeability by monitoring alkali saturated conductivity of concrete incorporating mineral admixtures[J],2010, 2010.
APA	Quan-Lin Niu,&Nai-Qian Feng.(2010).Evaluation of concrete permeability by monitoring alkali saturated conductivity of concrete incorporating mineral admixtures..
MLA	Quan-Lin Niu,et al."Evaluation of concrete permeability by monitoring alkali saturated conductivity of concrete incorporating mineral admixtures".(2010).

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