Influence of Fly Ash and Silica Fume on Water-resistant Property of Magnesium Oxychloride Cement

武汉理工大学学报-材料科学版(英文版), 2010, 25(4): 721-724. doi: 10.1007/s11595-010-0079-y

^1, , ^2,

1.Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Xining 810008,China;Graduate School of Chinese Academy of Sciences,Beijing 100049,China

2.Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Xining 810008,China; Nanjing University of Aeronautics and Astronautics,Department of Civil Engineering,Nanjing 210016,China

基金项目: the"Hundred Talents"Project of Chinese Academy of Sciences and the"Technology Innovation"Project of Chinese Academy of Sciences

Influence of Fly Ash and Silica Fume on Water-resistant Property of Magnesium Oxychloride Cement

LI Chengdong ^1, , YU Hongfa ^2,

1.Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Xining 810008,China;Graduate School of Chinese Academy of Sciences,Beijing 100049,China

2.Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Xining 810008,China; Nanjing University of Aeronautics and Astronautics,Department of Civil Engineering,Nanjing 210016,China

Keywords： magnesium oxychloride cement

By incorporation of fly ash or silica fume into magnesium oxychloride(MOC)cement,a high water resistance material can be formed for successful industrial applications.The influences of fly ash and silica fume on water-resistant property were investigated by SEM and EDS.It is found that the incorporation of fly ash or silica fume can improve the water-resistance of the MOC.The improvement of the water resistance of the MOC incorporated with fly ash or silica fume may be attributed to the alumino-silicate 5.1.8 gel or silicate 5-1.8 gel.

参考文献

[1]	A K MISRA;RENU MATHUR .Magnesium oxychloride cement concrete[J].Bulletin of Materials Science,2007(3):239-246.
[2]	Dehua Deng .The mechanism for soluble phosphates to improve the water resistance of magnesium oxychloride cement[J].Cement and Concrete Research,2003(9):1311-1317.

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材料期刊网

Influence of Fly Ash and Silica Fume on Water-resistant Property of Magnesium Oxychloride Cement

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