Applied Study On The SBS Modified Asphalt In Supper-grade Highways Of Heilongjiang Province

The applied study of Modified Asphalt in our country has been developed since the mid-1980s, which can be used for improving the service performance and the ability of preventing premature deterioration of highway asphalt pavement.The thesis analyses the service performance and appearances of pavement damage of asphalt pavement at first, then put forward the rationality and necessity of the use of SBS Modified Asphalt combined the meteorological conditions of Heilongjiang Province.By way of using SBS Modified Asphalt and SBS Modified Asphalt Mix at Hu-Shui expressway and Harbin airport expressway, the paper give the evaluation the use of this kind of material in Heilongjiang supper-grade highway.