| 보통포틀랜드 시멘트의 수화에 미치는 Boric Acid의 영향 |
| 이의학, 송영진, 송명신, 이경희 |
| 명지대학교 무기재료공학과 |
| The Effect of Boric Acid on the Hydration of OPC |
| Eui-Hak Lee, Young-Jin Song, Myong-Shin Song, Kyung-Hee Lee |
| Department of Inorganic Materials Engineering, Myong-Ji University |
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| ABSTRACT |
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The influence of $H_3BO_3$ in one of inorganic retarder for the hydration of OPC was investigated. The shape of needdle Ettringite formed in few minitues for a no addition of $H_3BO_3$ but, retarded to form of Ettringite and $Ca(OH)_2$ according to addition of $H_3BO_3$. Hydration was retarded for tranquil of Al ion by to be low of pH. |
| Key words:
OPC, H$_3BO_3$, Hydration, Retard |
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