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该文通过对在役桥梁结构的外观检测、静载试验及相应的计算分析,对桥梁的整体性能进行评价;通过对试验过程中结构混凝土的变形的发展趋势和应力变化规律的分析,判断桥梁是否满足正常运营所需的强度和刚度,并运用模糊数学理论,建立在役桥梁结构的安全评价模型,对结构的安全性能进行评价。
This paper evaluates the overall performance of the bridge through the appearance inspection, static load test and corresponding calculation and analysis of the existing bridge structure. Through the analysis of the development trend and stress variation of the structural concrete during the test, the bridge is judged Whether to meet the strength and stiffness needed for normal operation, and using fuzzy mathematics theory to establish the safety evaluation model of the existing bridge structure, to evaluate the safety performance of the structure.