吉林大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (6): 1753-1759.doi: 10.13229/j.cnki.jdxbgxb201706011

• 论文 • 上一篇    下一篇

基于插板法膜压力模型的沥青混合料水稳定性评价

罗蓉1, 2, 曾哲1, 2, 张德润1, 2, 冯光乐3, 董华均4   

  1. 1.武汉理工大学 交通学院,武汉 430063;
    2.湖北省公路工程技术研究中心,武汉 430063;
    3.湖北省交通厅工程质量监督局,武汉430014;
    4.湖北长江路桥股份有限公司,武汉 430212
  • 收稿日期:2016-08-29 出版日期:2017-11-20 发布日期:2017-11-20
  • 作者简介:罗蓉(1979-),女,教授,博士生导师.研究方向:道路沥青混合料损伤机理.E-mail:rongluo@whut.edu.cn
  • 基金资助:
    交通运输部建设科技项目(2014318J22120)

Moisture stability evaluation of asphalt mixture based on film pressure model of Wilhelmy plate method

LUO Rong1, 2, ZENG Zhe1, 2, ZHANG De-run1, 2, FENG Guang-le3, DONG Hua-jun4   

  1. 1.School of Transportation, Wuhan University of Technology, Wuhan 430063, China;
    2.Center for Advanced Technology of Road Engineering in Hubei, Wuhan 430063, China;
    3.Engineering Quality Supervision Bureau, Transportation Department of Hubei Province, Wuhan 430014, China;
    4.Hubei Chang Jiang Road and Bridge Co., Ltd., Wuhan 430212, China
  • Received:2016-08-29 Online:2017-11-20 Published:2017-11-20

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摘要： 为了揭示传统插板法计算模型中未考虑后退过程中沥青表面液体膜压力的影响以及存在沥青表面能无解这两个缺陷,本文以添加抗剥落剂后的沥青和酸性砾石集料为样品进行插板法试验,分别采用传统模型和基于膜压力的模型计算沥青表面能,并分析了沥青混合料的水稳定性指标ER1和ER2,然后按照ASTM D3625规范进行水煮法试验。结果表明:基于膜压力的模型能够弥补传统插板法模型的两个缺陷,且通过该方法计算得到的沥青混合料水稳定性指标排序与水煮法试验得到的排序结果一致。

关键词: 道路工程, 沥青混合料, 插板法, 表面能, 膜压力, 水稳定性

Abstract: The traditional calculation model of Wilhelmy plate method has two deficiencies: the effect of liquid film pressure on the surface of asphalt binders during the receding process is out of consideration and the surface energy components are sometimes unsolvable. To overcome these two deficiencies, taking the asphalt binders, in which anti-stripping agents were added, and acidic gravel as the test samples, the traditional model and the model based on film pressure were used to calculate the surface energy of the asphalt binders, respectively. The moisture stability indexes ER1 and ER2 of the asphalt mixtures were analyzed. In addition, the moisture stability performances of the test samples were assessed using the water-boiling test following the guidelines of ASTM D3625. The comparative results show that the film pressure calculation model is able to eliminate the two deficiencies, and the moisture stability performance ranking of the asphalt mixtures predicted by the model agrees well with that determined by the water-boiling tests.

Key words: road engineering, asphalt mixture, wilhelmy plate method, surface energy, film pressure, moisture stability

中图分类号: 

  • U414
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