Study On Modification Mechanism And Pavement Performance Of SBS Compound Modified Asphalt

Currently, rutting has become the Asphalt Pavement early undermine one of the mainform, which seriously affect the function and life of the road. Depth analysis rut causes of,and propose effective control measures is one of the important papers of today’s asphaltmixture pavement applied research. The superior performance of high-temperature asphaltbinding material to prevent and improve the generation of Rut is a more feasible method.Based on this, the paper carried out the research of SBS compound modified asphalt toprovide a feasible method to improve the asphalt pavement Rut.On SBS and granulate doped case a preliminary analysis to explore the mechanism ofmodified asphalt;-depth discussion of the principle of the use of silver streaks on the SBScompound modified asphalt modification mechanism; fluorescence microscopy and SBSengineering compatibility of the granulate in the composite modified asphalt from themicroscopic structure of the research, the successful preparation of SBS/granulate compoundmodified asphalt laid a theoretical foundation for the thesis.Depth study of the test, SBS and granulate content on modified asphalt penetration,softening point, equivalent softening point,5°C ductility, equivalent brittle point andviscosity index were investigated for the successful preparation of SBS composite modifiedasphalt test.Analysis method to improve the stability of the polymer modified asphalt and segregationprinciple, then focus on the stabilizer and modifier content on composite modified asphaltpenetration, ductility, softening point and viscosity index were studied, composite modifiedasphalt the best SBS and granulate dosage choice theory and data support.Analysis method to improve the stability of the polymer modified asphalt andsegregation principle, then focus on the stabilizer and modifier content on composite modifiedasphalt penetration, ductility, softening point and viscosity index were studied, compositemodified asphalt the best SBS and granulate dosage choice theory and data support.Institute of papers used asphalt mixture with reasonable design than the SMA-16, basedon comparative analysis of composite SBS modified asphalt mixture SMA-16, SBS modifiedasphalt mixture SMA-16asphalt mixing materials SMA-16high temperature, low temperature and water stability. Finally, SBS the composite modified bitumen constructionshould focus attention to the exposition.