采用插板法测试沥青表面自由能的误差分析  

Error Analysis of the Wilhelmy Plate Method to Determine the Surface Energy of Asphalt Binders

作　　者：董华均 曾哲[2] 罗蓉[2] 张德润[2] 金露 王丽静[2] 

机构地区：[1]湖北长江路桥股份有限公司,武汉430212 [2]武汉理工大学交通学院,武汉430063

出　　处：《武汉理工大学学报（交通科学与工程版）》2016年第5期859-863,共5页Journal of Wuhan University of Technology（Transportation Science & Engineering）

基　　金：交通运输部建设科技项目(2014318J22120);湖北省交通运输厅科技项目(201472126)资助

摘　　要：沥青材料的表面自由能对准确量化沥青与集料界面的粘附性能、研究沥青混合料开裂机理等具有重要的意义.为准确测试沥青表面自由能的3个基本参数,针对插板法测试沥青表面能的试验原理及测试过程进行详细分析,归纳总结试验中几种典型误差产生的原因,提出了减小各类误差的方法.The surface energy of an asphalt binder is critical to quantifying the adhesive bond energy between the asphalt and any type of aggregates and investigating the cracking mechanism of corresponding asphalt mixtures.In order to accurately determine the surface energy components of the asphalt,this study evaluates the principle and protocol of the Wilhelmy Plate Method that is commonly used to determine the surface energy components of asphalt binders.The possible errors associated with the sample preparation and the test procedure are presented and analyzed in detail.Specific solutions are recommended to minimize the possible errors of the Wilhelmy Plate Experiment.

关 键 词：沥青 误差分析 表面自由能 插板法 

分 类 号：U414.75[交通运输工程—道路与铁道工程]