A fuzzy assessment method of Expressway Pavement performance based on rough set theory

The performance of Expressway Pavement is affected by many factors, and traffic management departments always attached importance to the decision of performance. In this paper a fuzzy assessment method of performance of Expressway Pavement based on rough set theory is discussed. The index weight are determined by using of knowledge reduction method of rough set theory and a concept of information quantity, then fuzzy evaluation integrate was carried out in model through combing ambiguity function. The example was used to demonstrate this way for validity and feasibility.