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Open Access

ARTICLE

Enhanced Transmission Tower Foundation Reliability Assessment: A Fuzzy Comprehensive Evaluation Framework

Yang Li1, Zikang Zheng1,*, Jiangkun Zhang2
1 School of Civil Engineering and Architecture, Hubei University of Technology, Wuhan, 430068, China
2 Department of Civil, Environmental and Architectural Engineering (DICEA), University of Padova, Padova, 35131, Italy
* Corresponding Author: Zikang Zheng. Email: email
(This article belongs to the Special Issue: Health Monitoring and Rapid Evaluation of Infrastructures)

Structural Durability & Health Monitoring https://doi.org/10.32604/sdhm.2024.046584

Received 08 October 2023; Accepted 11 December 2023; Published online 24 April 2024

Abstract

Due to the lack of a quantitative basis for the inspection, evaluation, and identification of existing transmission tower foundations, a new fuzzy comprehensive evaluation method is proposed to assess the reliability of transmission tower foundation bearing capacity. This method is based on the reliability analysis of the transmission tower foundation bearing capacity by analyzing the sensitivity of degradation of detection indexes on the reliability of transmission tower foundation bearing capacity, the weighting coefficient matrix is established about the influencing factors in the evaluation model. Through the correlation analysis between the bearing capacity degradation of the transmission tower foundation and its corresponding reliability degradation, the reliability evaluation grading standard for transmission tower foundation bearing capacity is established. The proposed fuzzy comprehensive evaluation method is used to evaluate the reliability of a 500 kV transmission tower foundation bearing capacity and to verify the rationality of the new evaluation method. The research results can provide a foundational framework for the detection and evaluation of transmission tower foundations and can serve as a reference for the development of structural reliability evaluation methods.

Keywords

Transmission tower foundation; fuzzy comprehensive evaluation; bearing capacity reliability; sensitivity analysis

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