Research Article

Experimental Study on Macro-Mesoscopic Components and Indexes of Buton Gilsonite-Modified Asphalt

Table 2

Experimental design of modified asphalt with different gilsonite contents.

ProjectTechnical indicatorsUnitGilsonite content of modified asphalt (%)

High-temperature stabilization performanceSoftening point(°C)05101520
Low-temperature stabilization performanceDuctility (10°C, cm)cm05101520
Antiaging propertiesPenetration (25°C, 5 s, 100 g)0.1 mm05101520
Component analysisThermogravimetric test
Infrared spectroscopy
05101520
Mesoscopic analysisSEM electroscope scanning test05101520