| This paper discusses the development status and the characteristics of typical disease of asphalt pavement for freeway in shannxi province and analyzes their reason, on the basis of above, considering lots of complex technology problems appeared on the maintenance without rapid and effective solution, establishes asphalt pavement disease diagnosis expert system for freeway.According to the influencing factors of confirming road maintenance and the characteristics about asphalt pavement disease diagnosis knowledge, this paper puts forward knowledge expressive means and knowledge storage structure, sets up knowledge base system (KBS) about asphalt pavement disease diagnosis for freeway. At the same time, on the bases of KBS mode and the characteristics of problem, this paper applies expert system theory and brings forward one kind of uncertain reasoning mechanism, and adopts mixed reasoning tactic that combined ordinal and converse reasoning method together. Finally, this paper also sets up new technology base about asphalt pavement maintenance, which improves the asphalt pavement disease diagnosis expert system for freeway (FAPDD I .0). |
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