中文摘要：

为定量分析沥青与集料的黏附性能,运用表面自由能理论,采用插板法对2种基质沥青（A-70~#、B-70~#）的表面能参数进行测试,采用蒸汽吸附法对5种集料（石灰岩、玄武岩、花岗岩、石英砂岩、破碎砾石）的表面能参数进行测试,并进一步计算出沥青-集料组合分别在无水、有水状态下的结合能以及表面能匹配性指标,并用表面能匹配性指标来评价不同沥青-集料组合的黏附性能,通过改进的水煮法试验加以验证,同时建立二者之间的联系。结果表明：表面能匹配性指标与改进水煮法的沥青残留率指标评价结果一致,5种集料的黏附性能从大到小排序依次为玄武岩、石灰岩、花岗岩、石英砂岩、破碎砾石,验证了表面能评价体系的可靠性,说明表面能法可作为定量分析沥青与集料黏附性能的试验方法;对表面能匹配性指标与沥青残留率的结果进行分析,发现二者具有良好的正相关关系,并以黏附性等级4级对应的沥青残留率为临界值提出2种沥青的表面能匹配性评价指标的技术要求。

英文摘要：

In order to quantitatively analyze the adhesion between asphalt and aggregate, based on surface energy theory, the Wilhelmy plate method was used to measure the surface free energy of 2 kinds of asphalt （A-70 # and B-70# ） and the vapor adsorption method was used to test the surface free energy of 5 kinds of aggregates （namely, limestone, basalt, granite, quartz sandstone, gravel）. Subsequently, the adhesive bond energies with and without water and the surface energy matching index of the asphalt-aggregate combination were calculated. The adhesion properties of different asphalt-aggregate combinations were evaluated by surface energy matching index. The matching index was verified by improved boiling water test and the relationship between the two was established. The results show that the surface energy matching index is consistent with the asphalt residual ratio index of the improved boiling water method,and the descending order of adhesion of five aggregates is. basalt, limestone, granite, quartz sandstone and crushed gravel. The reliability of the surface energy evaluation system is verified and surface energy method can be used as a test method for quantitative analysis of asphalt and aggregate adhesion properties. Through the analysis of the surface energy matching indexes and the asphalt residual ratio indexes, it is found that the two indexes have a linear positive correlation. Taking the asphalt residual ratio whose adhesion level is 4 as threshold, the range of the matching index of surface energy is further derived for the two kinds of asphalt respectively.