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中文摘要：
研究粉煤灰的形貌、微观结构、形成机理及水化界面特性。水化后期，粉煤灰颗粒表面层已完全与水泥水化产物发生二次反应，填充水泥石的孔隙空洞，使孔结构高度细化，强度逐渐提高。
英文摘要：
The modality, micro - structure, formation mechanism and the hydration interface features of fly ash are investigated. In the later stage of hydration, the surface of the fly ash particles have a completely secondary reaction with cement hydration products, then the hydration products fill the pores in the cementing matrix, finally the pore structure get fined and intensified.
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