硅藻土改性沥青微观机理研究

鲍燕妮1,石鸿2,朱晓宇1

1.同济大学建筑设计研究院,上海 200092 2.上海科达市政交通设计院,上海 200030

  要:本文采用红外光谱和差示扫描量热分析的方法,对硅藻土改性剂、不同掺量硅改沥青以及不同种类硅改沥青进行了试验。分析了硅藻土微观结构对硅改沥青性能的影响,研究了两者之间相互作用的机理,为硅藻土改性沥青的进一步应用提供了微观理论上的依据。

关键词:硅藻土;硅藻土改性沥青;红外光谱;差示扫描量热分析;微观机理

Analyses of Diatomite-modified-asphalt’s Microcosmic Mechanism

BAO Yan-ni

AbstractThis paper tested microstructure of diatomite modifier, modified-asphalt with different content diatomite, and different types of diatomite-modified-asphalt by IR and DSC. By this way, this paper analyzed the influence of diatomite’s microstructure on the performance of diatomite-modified-asphalt and the interactional mechanism between them. A microcosmic theory base is offered for the further application of diatomite-modified-asphalt.

Keywordsdiatomite;  diatomite-modified-asphalt;  IR ;  DSC;  microcosmic mechanism