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《Concrete》 2005-11
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Experimental study on chloride-ion-resistance diffusion of mineral admixture

YUAN Tong-peng,DENG De-hua,ZENG Zhi,PAN Wu-lue(School of Civil Engineering and Architecture,Central South University,Changsha 410075,Hunan,China)  
This paper intends to test the non-steady-state diffusion coefficient of rapid migration according to the rapid test method on Chloride ion migration forced by electric current conducted by the architecture material institute of German Aachen Industry University.The experimental results show that the diffusion coefficient of chlorideion decreases with the rise of quantity of fly ash,silica fume and blast furnace slag,and relates to the type of the admixtures.The osmosis ability of chloride ion is as follows:SFSGFA.Finally,the effect of fly ash,silica fume and blast furnace slag on osmosis performance of anti-chloride ion in concrete is analyzed and discussed.
【CateGory Index】: TU528
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