By observing the changes of service performance, viscidity and Gastel index, the aging resistance of the two asphalts was compared and the aging mechanism investigated as well.

• 通过对老化后2种道路沥青使用性能、粘度以及胶体不稳定指数的变化,比较了它们的抗老化性能的优劣,并对道路沥青的老化机理进行了分析。