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粉煤灰对混凝土耐磨性能的影响

Coal Ash(2010)

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Abstract
研究了粉煤灰掺量对混凝土不同龄期耐磨性能的影响,结果表明:混凝土早期耐磨性能随粉煤灰掺量增加而降低,但混凝土后期耐磨性能随粉煤灰掺量增加而提高,当粉煤灰掺量为30%时,混凝土的后期耐磨性能最佳,粉煤灰因活性较低,掺入会降低混凝土早期耐磨性能;粉煤灰颗粒的高耐磨性和在后期粉煤灰火山灰效应的发挥是提高混凝土后期耐磨性能的主要原因。
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Key words
fly ash,wear resistant ability,concrete
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