Abstract
To implement the maintenance and management of the sea dike engineering, the qualitative factors and quantitative factors need to be combined to evaluate the sea dike safety. Firstly, the evaluation index system and evaluation grading criterions of sea dike safety are established. Secondly, a new weight structure of evaluation indexes is proposed to combine the subjective weight and objective weight. Fuzzy Analytic Hierarchy Process method is used to determine the subjective weight and implement the qualitative analysis for sea dike safety. Projection Pursuit algorithm is introduced to calculate the objective weight and implement the quantitative analysis for sea dike safety. Based on the minimum relative information entropy principle, above two weights are combined. Thirdly, an evaluation model of sea dike safety is built with the improved Set Pair Analysis method. Finally, the proposed analysis method is used to assess one sea dike safety in China. It is shown that the combined weight can describe both the subjective information of expert experience and objective variation information of samples values, the uncertainty of information can be handled by the improved Set Pair Analysis method. The evaluation model has the clear physical concepts and intuitive modeling process. The calculation result is reasonable. The proposed method can be applied to sea dike safety evaluation and other complex systems evaluation as well.
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Acknowledgments
This research has been partially supported by Jiangsu Natural Science Foundation (SN: BK2012036), National Natural Science Foundation of China (SN: 51179066, 51139001), Non-profit Industry Financial Program of MWR (SN: 201301061, 201201038), the Program for New Century Excellent Talents in University (SN: NCET-10-0359), the research fund of Education Bureau of Zhejiang (No. Y201223037), the Fundamental Research Funds for the Central Universities (Grant No. 2012B06614), Jiangsu Province “333 High-Level Personnel Training Project” (Grant No. BRA2011179) and the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) (SN: YS11001). The authors thank the reviewers for useful comments and suggestions that helped to improve the paper.
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Su, H., Qin, P. & Qin, Z. A Method for Evaluating Sea Dike Safety. Water Resour Manage 27, 5157–5170 (2013). https://doi.org/10.1007/s11269-013-0459-0
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DOI: https://doi.org/10.1007/s11269-013-0459-0