Decision-making of Ecological Slope Protection Scheme Based on Improved Fuzzy Set Pair Analysis
DOI:
https://doi.org/10.14311/CEJ.2026.01.0003Keywords:
Ecological slope protection, scheme decision-making, hierarchical analysis, fuzzy set-pair analysis, accelerated genetic algorithmAbstract
The study evaluates the effectiveness of various ecological slope protection strategies for riverbank stabilization by systematically analyzing several critical factors: slope coefficient, durability, impact resistance to flow, biodiversity index, biochannel fluency, vegetation coverage, construction and maintenance costs, landscape aesthetics, and recreational function. The Fuzzy Set Pair Analysis Assessment Method (FSPAAM) was utilized to create a comprehensive evaluation model, employing normalized benefit-type indices and incorporating the Analytic Hierarchy Process (AHP) with an Accelerated Genetic Algorithm (AGA) to determine the weight of each evaluation index. This model assesses the linkage degree of single indices and uses a confidence criterion to classify evaluation samples across different risk tolerance levels. The results show that plant berms are most effective at a confidence level of 0.50, while gabion revetments perform best at levels of 0.60 and 0.70. The findings suggest that plant berms are suitable for higher risk tolerance, while gabion revetments are better for risk-averse decisions. This methodology offers a novel and robust tool for scientifically assessing and selecting optimal river slope protection strategies.
Received: 26.06.2025
Received in revised form: 08.03.2026
Accepted: 26.04.2026
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