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Evaluation of the Durability of Bridge Tension Cables Based on Combination Weighting Method-Unascertained Measure Theory

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  • Qingfu Li

    (School of Water Conservancy Engineering, Zhengzhou University, Zhengzhou 450001, China)

  • Tianjing Zhang

    (School of Water Conservancy Engineering, Zhengzhou University, Zhengzhou 450001, China)

  • Yingqiao Yu

    (School of Water Conservancy Engineering, Zhengzhou University, Zhengzhou 450001, China)

Abstract

Constant use over a period damages the bridge pulling cable structure of pulling sling bridges and reduces their durability. Therefore, a comprehensive and accurate durability evaluation of in-service bridge cable-stayed structures is critical to the safe operation and routine maintenance and repair of pulling sling bridges. In this paper, we first establish a three-layered pulling sling durability evaluation index system and then use the combined IAHP and CRITIC methods to assign weights to these evaluation indexes. The UM theory is applied to calculate a comprehensive multi-index evaluation vector for the durability of the pulling sling, which is evaluated according to the confidence criterion. Taking the Jiahui Bridge tension sling as an example, a durability evaluation was carried out, and the final evaluation result showed the bridge to be at level III, which is in line with the actual situation of the project. Finally, by comparing and analyzing using the SPA and MEE methods, we prove that the durability evaluation results of bridge tension cables using this method are more accurate.

Suggested Citation

  • Qingfu Li & Tianjing Zhang & Yingqiao Yu, 2022. "Evaluation of the Durability of Bridge Tension Cables Based on Combination Weighting Method-Unascertained Measure Theory," Sustainability, MDPI, vol. 14(12), pages 1-28, June.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:12:p:7147-:d:836144
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    References listed on IDEAS

    as
    1. Yancang Li & Jing Yang & Huawang Shi & Yijie Li, 2017. "Assessment of sustainable urban transport development based on entropy and unascertained measure," PLOS ONE, Public Library of Science, vol. 12(10), pages 1-9, October.
    2. Changfu Huang & Shuguang Tian & Qun Li & Jun Huang, 2018. "Evaluation of Rock Quality of Tunnel Wall Rock Based on Rough Set Theory and Unascertained Measurement Theory," Mathematical Problems in Engineering, Hindawi, vol. 2018, pages 1-10, July.
    3. Xiaochun Luo & Zilong Wang & Lin Lu & Yan Guan, 2020. "Supply Chain Flexibility Evaluation Based on Matter-Element Extension," Complexity, Hindawi, vol. 2020, pages 1-12, May.
    4. Shuliang Wu & Xidong Du & Shan Yang, 2020. "Rock Mass Quality Evaluation Based on Unascertained Measure and Intuitionistic Fuzzy Sets," Complexity, Hindawi, vol. 2020, pages 1-14, April.
    5. Yu-shan Hu & Chun-lei Zhu, 2021. "Credit Evaluation Model of Road Transportation Enterprises Based on the Combination Weighting Method," Mathematical Problems in Engineering, Hindawi, vol. 2021, pages 1-10, January.
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