| 재생미분말의 흡착특성과 유동특성 |
| 이종규, 추용식, 정석조 |
| 요업기술원 세라믹 건재본부 |
| Adsorption and Fluidity Properties of Recycled Cement Powder |
| Jong-Kyu Lee, Yong-Sik Chu, Suk-Jo Jung |
| Ceramics and Building Materials Division, Korea Institute of Ceramic Engineering and Technology |
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| ABSTRACT |
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This paper discuss the adsorption and fluidity properties of recycled cement powder with different hydration hysteresis and particle size. Reactivity of hydrated fine powder was negligible low. Therefore, the adsorption and fluidity properties with super-plasticizer for hydrated recycled cement powder was very important for using additive material. Adsorption amount of super-plasticizer was increased by the finer hydrated recycled cement powder addition. And the fluidity of hydrated recycled cement powder was very poor than un-hydrated cement powder. To Improve the fluidity of hydrated recycled cement powder, PC super-plasticizer is the more effective than NS super-plasticizer. |
| Key words:
Recycled powder, Super-plasticizer, Adsorption, Fluidity, Zeta-potential |
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