Research a Set of Technology to Repair Expressway Asphalt Pavement

As depending on the Hebei provincial expressway engineering,the working group of a set of technology to repair Jing-shi expressway asphalt pavement follow to observe the asphalt pavement,evaluate the characters,maintenance methods,the design process of maintenance mat coat,the construction skill,invite and bidding and the management of contact etc. From all of these researching,they suggest the method of evaluate the character in asphalt expressway pavement,and give a model. It is the first of one set technology to repair the asphalt expressway pavement in our country.