Study on Adhesion Model and Moisture Damage Model of Asphalt Mixture Based on Surface Energy Theory

被引：0
作者：
Xiao Qing-yi [1 ,2 ]
Hao Pei-wen [3 ]
Sinkonde, Dennis [3 ]
Cui Hong-jun [1 ,2 ]
Jin Ju [1 ,2 ]
机构：
[1] Hebei Univ Technol, Sch Civil Engn, Tianjin 300401, Peoples R China
[2] Hebei Univ Technol, Civil Engn Res Ctr Hebei Prov, Tianjin 300401, Peoples R China
[3] Changan Univ, Highway Sch, Xian 710064, Peoples R China
来源：
INTERNATIONAL WORKSHOP ON ENERGY AND ENVIRONMENT IN THE DEVELOPMENT OF SUSTAINABLE ASPHALT PAVEMENTS, PROCEEDINGS | 2010年
基金：
中国国家自然科学基金;
关键词：
Adhesion; Asphalt mixture; Model; Moisture damage; Surface energy;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Moisture damage is a key factor in the deterioration of the asphalt pavement, which seriously affects the length of lifetime and the level of service. This failure can be adhesive occurring at the asphalt-aggregate interface or cohesive occurring within the matrix (asphalt binder plus mineral filler). Therefore, the knowledge of the surface properties will help a great deal in understanding the adhesive properties of the asphalt mixture. Adhesion model and moisture damage model of asphalt mixture are presented based on surface and interface theory. Using the capillary rise method and the Sessile drop method, surface energy parameters of aggregate and asphalt are determined respectively. The four combination systems with two types aggregate and two types asphalt are analyzed in the paper. The results obtained showed that limestone had a higher surface energy and a better water resistance compared to granite. The asphalt mixture composed of limestone has better adhesion performance and lower moisture susceptibility.
引用
收藏
页码：207 / +
页数：2
相关论文
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