结果：黑膏药的软化点、黏度与软硬度呈正相关，而针入度与软硬度呈负相关。
Results: The hardness of black plaster is positively associated with softening point and viscosity, while it is negatively correlated with penetration.
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。
The changes of penetration, softening point and ductility of asphalt during aging proved that the kinetic model is reliable.
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。
By thin film oven test and ultraviolet photooxidation test, asphalt performance indices were studied, including penetration, softening point, ductility and viscosity.
结果表明：TLA均可提高两种基质沥青的软化点，增大其粘度，降低其延度和针入度。
The results obtained are as follows: the softening point and viscosity of two asphalts were increased, while the penetration and ductility were decreased with the introduction of TLA.
详细研究了化学改性对SBR改性乳化沥青主要性能包括软化点、针入度和低温延度的影响规律。
It studies the orderliness of chemical modification to asphalt's performances that include softening point, penetration and low temperature ductility.
详细研究了化学改性对SBR改性乳化沥青主要性能包括软化点、针入度和低温延度的影响规律。
It studies the orderliness of chemical modification to asphalt's performances that include softening point, penetration and low temperature ductility.
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