Dynamic shear rheological properties of modified asphalt with waste PET plastic
By using waste PET plastic to prepare modified asphalt,experiments such as frequency scanning,re-peated creep test,and infrared spectroscopy detection were conducted on modified asphalt with different PET content.The repeated creep test results of modified asphalt were systematically analyzed based on Burgers mod-el.The results show that under the same temperature conditions,the rutting factor of modified asphalt increases first and then decreases with the increase of PET plastic content.This indicates that an appropriate amount of PET plastic can significantly improve the deformation resistance of asphalt,while excessive PET plastic may re-duce the high-temperature resistance and deformation resistance of asphalt.The mixing process of waste PET plastic with base asphalt is mainly a physical process.
waste PET plasticmodified asphaltfrequency scanningrepeated creepinfrared spectroscopy
万方数据
维普
