The Effect of Diatomite's Chemical on High Temperature Performance of Asphalt

As a new type modified asphalt material,mixed with asphalt concrete,diatomite can improve mechanical performance and enhance the quality of pavement engineering.In this article,four different kinds of diatomite have been selected to study and high temperature performence of diatomite modified asphalt has been investigated.To find out main factors that chemincal components influence on high temperature performance of asphalt by gray correlation analysis method.Thus basic chemical components of diatomite as modifier have been identified.