Research On Assessment Of Expressway Asphalt Pavement Condition And Maintenace Method

This paper researches on assessment of expressway asphalt pavement condition and suitable maintenance method to improve the current poor management on the maintenance administration .The text includes six sections. The first section is preface, which describes the purpose and importance of this research, and introduces the trend of the development of expressway maintenance in China and abroad in recent years; The second section analyses the index of expressway asphalt condition and makes further research in consideration of the single index-ruttness; The third section researches on the assessment of the expressway asphalt pavement performance, and establishes an model for the full assessment of expressway asphalt pavement; In the fourth section, the decision of maintenance method, the principles of the decision and the maintenance decision model has been studied; The fifth section make out the assessment system on expressway asphalt pavement, and conduct a test on Bejing-Shijiazhuang expressway; The sixth section summarizes main points and make a conclusion of the full text.