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
维普
万方数据
