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Corresponding Author

张金喜zhang jin xi

Abstract

The investment benefit evaluation of preventive maintenance is of great significance for improving road maintenance management, optimizing the maintenance decision-making mechanism, and ensuring the economic benefit of highway maintenance. To explore the grading evaluation of the investment benefit of preventive maintenance, this paper selected a set of evaluation indicators based on the evaluation indicators of technical conditions of the road surface before and after conducting maintenance intervention and investment. Meanwhile, by comprehensively considering the influence of combination weighting of subjective and objective factors, a preventive maintenance investment benefit evaluation model based on intuition fuzzy set (IFS) and TOPSIS theory was proposed, with the differences in investment benefit under different maintenance opportunities analyzed. Additionally, this paper took nine road sections treated with thin-layer overlay as the evaluation objects. The results show that the evaluation method based on IFS-TOPSIS theory accurately determines the investment benefit level of preventive maintenance by the relative closeness degree, and verifies the feasibility of the evaluation model via comparing the cost-effectiveness ratio evaluation results. Determining the optimal timing for preventive maintenance is the key to ensuring economic benefit.

Publication Date

11-8-2022

DOI

10.14048/j.issn.1671-2579.2022.05.045

First Page

246

Last Page

251

Submission Date

April 2025

Reference

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