固化淤泥的路用性能及微观演化机理研究

Journal of Changzhou Institute of Technology(2022)

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Abstract
采用碱激发胶凝材料对湖库底泥进行固化处置,开展无侧限抗压、承载比、pH测试和扫描电镜试验,通过分析固化淤泥的应力-应变特征、抗压强度、pH、形貌结构、典型水化产物等宏微观特性,评价了固化淤泥作为道路基层或底基层的适用性,揭示了固化淤泥强度性状与微观演化机制,结果表明:固化淤泥能够满足不同等级公路和交通条件下的基层或者底基层的强度要求,并且抗压强度随着pH的增大而提高,水化产物随着固化剂掺量的增大而增加,同时内部结构变得更加密实.
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