Durability assessment of highway bridges based on information entropy and uncertainty measurement theory

被引：0

作者：

Zheng, Yi-Feng ^{[1
]}

Li, Long ^{[1
,2
]}

Fang, Wei ^{[3
]}

Gao, Xin ^{[1
]}

机构：

[1] College of Construction Engineering, Jilin University, Changchun

[2] Applied Technology College, Jilin University, Changchun

[3] Binzhou Highway Survey and Design Institute, Binzhou

来源：

Dongbei Daxue Xuebao/Journal of Northeastern University | 2014年 / 35卷 / 08期

关键词：

Credible recognition criterion; Durability assessment; Highway bridge; Information entropy; Uncertainty measurement;

D O I：

10.3969/j.issn.1005-3026.2014.08.032

中图分类号：

学科分类号：

摘要：

Based on information entropy and uncertainty measurement theory, a model was developed to evaluate and sort the durability of bridges. First, the assessment index system and single-index measurement functions were determined on the basis of Standards for Technical Condition Evaluation of Highway Bridges. Then, the evaluation matrix of single-index measurement was achieved according to the field data. The weights of these indices were obtained from the information entropy theory, and the multiple-index measurement vector was calculated. Finally, the durability grade was assessed with credible recognition criteria. The durability of the three-span superstructure components of Hongzuizi Bridge located in Changchun was evaluated and sorted. The results were compared with that obtained according to the standards mentioned above, and the effectiveness of the proposed model was confirmed.

引用

页码：1206 / 1210and1216

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