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碱激发粉煤灰固化淤泥的强度特性及微观机制研究

WANG Shiquan, WANG Rui,CHEN Yu,LI Shenzhen,GONG Shunmei,NIU Zhiyong

Journal of Hennan Institute of Engineering(Natural Science Edition)（2022）

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Abstract
为解决废弃淤泥资源化,以及单一水泥固化剂高能耗、高污染、高排放等问题,采用碱-粉煤灰混合料对淤泥进行固化处理,考虑不同养护龄期、激发剂和固化剂掺量条件,开展无侧限抗压、X射线衍射和扫描电子显微镜试验,观测了固化淤泥的典型矿物组成和微观结构特征.结果表明,对于石灰-粉煤灰混合料而言,Na2 SO4与NaOH的单独激发效果相当,NaOH和Na2 SO4两者复合激发效果优于单独激发.
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