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The Fluidity of High Flowing Concrete According to the Component Ratio of Superplasticizer
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 Title & Authors
The Fluidity of High Flowing Concrete According to the Component Ratio of Superplasticizer
Kim Moo-Han; Kim Yong-Ro; Kim Jae-Hwan; Ho Jang-Jong; Lee Tae-Hee;
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 Abstract
It is the aim of this study to propose the fundamental data for the establishment of the application and qualify standard of the mixed type superplasticizer after investigating and comparing the fluidity of high flowing concrete according to the component ratio of superplasticizer such as naphthalene sulfonated and melamine sulfonated. The results of this study were shown as the followings; 1) The fluidity and adsorption ratio of cement-paste were improved according to the increasing of naphthalene sulfonated component ratio, and apparent viscosity of cement-paste was improved according to the Increasing of melamine sulfonated component ratio. 2) In case of using the granulated blast-furnace slag, the fluidity of cement-paste was considerably good and the adsorption ratio was decreased and in case of using fly-ash, the apparent viscosity and adsorption ratio of cement-paste were improved. 3) The dispersive capacity performance of concrete can be improved by means of the increasing of naphthalene sulfonated component ratio. Also the viscosity and early strength can be improved by means of the increasing of melamine sulfonated component ratio.
 Keywords
component ratio of superplasticizer;fluidity;viscosity;adsorption ratio;dispersive capacity performance;
 Language
Korean
 Cited by
1.
배합변수가 고유동 콘크리트의 특성에 미치는 영향,이근수;최열;

대한건축학회논문집:구조계, 2010. vol.26. 5, pp.51-58
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