掺盐沥青胶浆低温流变及粘附特性研究

来源 :2017年世界交通运输大会 | 被引量 : 0次 | 上传用户:lpf881
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  为探究盐分对沥青胶浆低温流变及粘附特性的影响规律,采用直接拉伸试验(DTT)与弯曲梁流变试验(BBR),基于BBR 试验结果建立Burgers 模型,研究不同种类掺盐沥青胶浆在30d 与120d 龄期下的低温流变特性;通过测定不同掺盐沥青胶浆与蒸馏水、甘油和乙二醇3 种液体介质的接触角,基于表面能理论得出沥青表面能参数,分析不同沥青胶浆的粘附特性;借助扫描电镜(SEM)和红外光谱(FTIR),分析掺盐沥青胶浆微观作用机理。
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