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复合矿物质超细粉对水泥石自收缩影响效应

Keywords: 复合矿物质超细粉,自收缩,粉煤灰,磨细矿渣,硅灰

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Abstract:

为了探讨复合矿物质超细粉对水泥石自收缩的影响规律,将硅灰与粉煤灰、磨细矿渣与粉煤灰2种复合掺合料分别加入水泥浆体中,通过改变粉煤灰与硅灰的质量比、粉煤灰与磨细矿渣的质量比。测量其自收缩量,发现粉煤灰能抑制自收缩,磨细矿渣和硅灰促进自收缩,当粉煤灰与硅灰或磨细矿渣复配时.抑制自收缩的作用和硅灰与粉煤灰的质量比或硅灰与磨细矿渣的质量比显著相关.

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