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A Decision-Making Method for Bridge Network Maintenance Based on Disease Transmission and NSGA-II

Author

Listed:
  • Zhenlong Shen

    (School of Highway, Chang’an University, Xi’an 710064, China)

  • Yongjian Liu

    (School of Highway, Chang’an University, Xi’an 710064, China
    School of Civil Engineering, Chongqing University, Chongqing 400044, China)

  • Jiang Liu

    (School of Highway, Chang’an University, Xi’an 710064, China)

  • Zeyu Liu

    (School of Highway, Chang’an University, Xi’an 710064, China)

  • Shi Han

    (School of Highway, Chang’an University, Xi’an 710064, China)

  • Shiyong Lan

    (Fujian Expressway Network Operation Co., Ltd., Fuzhou 350001, China)

Abstract

Due to the unreasonable allocation method, the bridge maintenance funds in Shaanxi Province can not provide maximum value. In this study, we used different functions to fit the actual technical condition data of bridges in Shaanxi in recent years, and through comparison, the exponential model with the best fitting effect was selected as the deterioration model for the bridge and its parts. Based on this, the deterioration characteristics of the bridge and its parts were further analyzed. Based on the results of the analysis, the deterioration coefficients (A) applicable to the bridge and its parts in Shaanxi Province, considering the ages and service environments of the bridges, are summarized. The concept of disease transmission is proposed based on the different deterioration characteristics of the bridge parts. The deck pavement, expansion joints, and bearings were identified as the key components of disease transmission, and the disease transmission paths were built with them as the center. Considering the technical benefits, economic benefits, and diseases of the key components of bridge maintenance, the second-generation nondominated sorting genetic algorithm (NSGA-II) was used to calculate the maintenance fund allocation scheme in the bridge network maintenance decision under different budget–demand ratios. The findings show that there are significant differences in the deterioration rates of the deck systems, superstructures, and substructures, as well as of the overall bridges, in Northern Shaanxi, Central Shaanxi (Guanzhong region), and Southern Shaanxi. Diseases of the bridge deck pavement, expansion joints, and bearings can lead to diseases of other elements. Compared with the traditional method of allocating maintenance funds based on the principle of prioritizing bridges with the worst technical conditions, the economic condition growth rates of the results of this study were 94.2%, 106.2%, 92.9%, and 62.8% for budget–demand ratios of 20%, 40%, 60%, and 80% of the maintenance funds, respectively. The proposed method for allocating bridge maintenance funds provides a reference for the subsequent development of bridge maintenance decision specifications.

Suggested Citation

  • Zhenlong Shen & Yongjian Liu & Jiang Liu & Zeyu Liu & Shi Han & Shiyong Lan, 2023. "A Decision-Making Method for Bridge Network Maintenance Based on Disease Transmission and NSGA-II," Sustainability, MDPI, vol. 15(6), pages 1-19, March.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:6:p:5007-:d:1094492
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    References listed on IDEAS

    as
    1. Ki Hwan Kim & Moon S. Nam & Hoon Hee Hwang & Ki Yong Ann, 2020. "Prediction of Remaining Life for Bridge Decks Considering Deterioration Factors and Propose of Prioritization Process for Bridge Deck Maintenance," Sustainability, MDPI, vol. 12(24), pages 1-25, December.
    2. Sanjay Sampat Wakchaure & Kumar Neeraj Jha, 2011. "Prioritization of bridges for maintenance planning using data envelopment analysis," Construction Management and Economics, Taylor & Francis Journals, vol. 29(9), pages 957-968, August.
    3. Yu-Han Chuang & Nie-Jia Yau & John Mark M. Tabor, 2023. "A Big Data Approach for Investigating Bridge Deterioration and Maintenance Strategies in Taiwan," Sustainability, MDPI, vol. 15(2), pages 1-10, January.
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