Abstract
In this article, an attempt is made to introduce qualitative information in the damage assessment of structures using fuzzy sets theory. By using the fuzzy quantification theory, the weighting of each damage factor is given through the data obtained from the past observations or inspections. The rank of damage in underlying structures is determined by means of a multicriteria analysis, which is one of a comprehensive evaluation system of alternatives and can be used to deal with the rated values of damage factors. The results of the multicriteria analysis are interpreted using the concept of semiordering.
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