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Research on the evaluation of canal route schemes based on multiattribute decisionmaking methods
Xinran Fan1, Shiwen Tai2,3, Liang Zhong4
1National Engineering Research Center for Inland Waterway Regulation Chongqing Jiaotong University, 400074, Chongqing, China.
Scientific Reports
|July 1, 2025
Summary
This study introduces a robust decision-making model for canal route selection, integrating multiple criteria for accurate and objective engineering design. The developed system enhances canal engineering by improving scheme selection accuracy and reliability.
Area of Science:
- Civil Engineering
- Decision Science
- Environmental Engineering
Background:
- Canal route scheme evaluation is critical for engineering design, impacting costs and benefits.
- Existing methods may lack comprehensiveness in addressing multi-attribute decision-making challenges.
- Accurate selection of canal routes is vital for project success and resource optimization.
Purpose of the Study:
- To develop a comprehensive evaluation system for canal route schemes.
- To enhance the scientific and objective decision-making process in canal engineering.
- To provide a reliable technical support tool for selecting optimal canal routes.
Main Methods:
- Constructed a multi-level evaluation system with four criteria layers and 20 indicators.
- Quantified qualitative indicators using triangular fuzzy numbers and Delphi method; normalized quantitative indicators.
- Integrated Fuzzy Stochastic Analytic Hierarchy Process (FSAHP) and entropy weight method for weighting.
- Developed a hybrid TOPSIS-GRA multi-attribute decision-making model.
Main Results:
- The integrated weighting method combined subjective and objective approaches effectively.
- The TOPSIS-GRA model demonstrated robust and stable evaluation results under weight variations.
- Monte Carlo simulation confirmed the model's interference resistance and reliability.
Conclusions:
- The developed comprehensive evaluation system offers scientific and reliable support for canal route selection.
- The hybrid decision-making model significantly enhances the accuracy and objectivity of scheme evaluation.
- This research provides a valuable tool for optimizing canal engineering design and planning.
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