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《Low Temperature Architecture Technology》 2009-08
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CONDITION ASSESSMENT RESEARCH OF EXISTING CONCRETE BEAM BRIDGES BASED ON FUZZY THEORY AND AHP

ZHANG Zheng-wen (Zhejiang Institue of Communications Hangzhou 311112,China)  
Based on the character of the existing concrete beam bridge,an assessment model was established for the existing concrete beam bridge.As for the superstructure,authors used fuzzy mathematics and analytic hierarchy process(AHP) to systematize the factors that reduce the carrying capacity of existing RC bridge,and then carrying capacity reduction factor can be estimated through the test data.As for the substructure,the qualitative analysis was used.And the design code was taken into consideration at the same time.Then the assessment of the whole bridge can be derived by using AHP.Finally a bridge was evaluated by this method.
【Fund】: 浙江省交通厅科技计划(2006H38)
【CateGory Index】: U446.3
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