Abstract
Aiming at the problems and needs of bridge detection and evaluation, based on AHP, this paper designs and establishes multi-level evaluation model and index system for bridge aging assessment. The judgement matrix of each class objective in index system is constructed, and determine the weight of the indicator based on the judgment matrix. Design expert scoring system and establish fuzzy membership matrix for bridge evaluation based on fuzzy comprehensive evaluation method. Then evaluate the degree of aging and calculate the overall score of the bridge according to the weights and membership matrix, so as to determine the health level of the bridge, and provide decision-making basis for the relevant departments to take bridge maintenance measures.
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