主要研究了橡胶微粉对无机聚合物砂浆和水泥砂浆力学性能的影响.实验结果表明,随着橡胶微粉掺量的增加,无机聚合物砂浆和水泥砂浆的抗压强度、抗折强度均有所下降,其中无机聚合物砂浆弹性模量降低、变形能力增强、弯曲韧性系数稍有降低;水泥砂浆弹性模量升高、变形能力下降、弯曲韧性系数下降.分析材料微观破坏形貌后发现,与水泥砂浆相比,橡胶微粉与无机聚合物砂浆界面粘结较好,粘结强度高,从而造成无机聚合物砂浆和水泥砂浆这两种材料体系在橡胶微粉掺杂后力学性能的差异.
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