Shanghai Area Highway Asphalt Pavement Maintenance, Technical Studies,

Based on the fact of maintenance of asphalt pavement of express way in shanghai area, this paper share the feature of maintenance system reform, using of new technology and new materials in express way of Shanghai area. Not only advanced an idea of the economic review, but also setting up evaluation mode based on the data from survey on spot, which come from the data of express way from Shanghai to Hangzhou, referring to the settlement method of PSI ,and contrast with the remark of expert group. This paper also validate the feasibility of this model and end by the decision, expected to be shared in our national express way maintenance technology area.