Research Of Modified SMA Asphalt Concrete Road Surface In Express Way

This article deeply analyzes the history of SMA asphalt concrete ,the present home and abroad research and application for it, while predicte its future development.Because the kind of road surface have the character of resisting sliding and can delay its using period, also, it may make the passengers comfortable, so we can say SMA asphalt concrete road surface has a wide use in road construction. At the same time ,because of the shortage of experience ,especially in AnHui province, so we face the difficulty of the variation such as nature , traffic etc.Also, the author bring up his opinion on SMA asphalt concrete road pavement, he gives some suggestions that should be noticed during the operation management. He also introduces some simple construction technology. This article is also of some reference value for scientifically conduct the asphalt road surface.