纳米强化对再生细骨料制品性能的影响及作用机理研究

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本文采用纳米复合聚合物浆液强化再生细骨料,充分利用纳米材料的纳米特性和聚合物的成膜性及黏结性,对再生骨料表面的微细裂缝和孔隙进行良好的填充,来改善其表面状态,达到强化再生细骨料及其制品性能的目的。对强化前后再生细骨料的基本性能(如吸水率、表观密度、微观结构等)进行试验对比,分析了纳米复合聚合物强化液的强化机理,评价了纳米复合聚合物强化再生骨料的效果。将强化前后的再生细骨料制成水泥基制品,并对其进行力学性能、干缩变形性能等进行试验研究,并结合XRD、孔结构、SEM等微观分析法分析其强化机理。最后结合实
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