Performance Evaluation of Hard asphalt Products Using South American Heavy Oil as Raw Material
Compared with domestic and foreign hard asphalt standards,25 grade hard asphalt and 50 grade asphalt were selected for routine property evaluation,SHRP performance PG grading evaluation,and as-phalt mixture road performance evaluation comparative tests.The results showed that lower grade hard asphalt had better high-temperature performance.
hard asphaltSHRP performance gradingasphalt mixtureperformance indicator