▎ 摘　　要

NOVELTY - Modified asphalt mixture material comprises medium temperature coal asphalt, nano sized silica micropowder, nitrogen modified graphene oxide hydrogel, polyethylene glycol modified graphene oxide, emulsifier, light base oil and aromatic light oil. USE - The material is useful for ultra-high durability highway pavement applications. ADVANTAGE - The material is free of modifiers such as petroleum asphalt or butadiene styrene rubber, protects environment, has ultra-high durability and is safe.