The changes of penetration, softening point and ductility of asphalt during aging proved that the kinetic model is reliable.

同时，老化过程中，沥青针入度、软化点及延度的变化进一步证明了所得动力学模型是可靠的。

youdao

The first order aging kinetic model has been put forward successfully based on softening point, which offered an available and convenient method for studying the asphalt aging behavior.

以软化点为参数建立了沥青一级老化动力学模型，为研究沥青抗老化性能提供了一种简便可行的分析方法。

youdao

By thin film oven test and ultraviolet photooxidation test, asphalt performance indices were studied, including penetration, softening point, ductility and viscosity.

采用沥青薄膜加热试验和紫外线老化试验，对沥青的针入度、软化点、延度和粘度等性能指标进行了试验研究。

youdao