Tunnel infrastructure health management: A state-of-the-art review on defect development mechanism and robot-aided inspection system

Abstract

Underground structures are subjected to progressive structural deterioration over their lifespans. This poses a significant challenge to the operational safety. Accurate classification and subsequent in-depth root cause analysis can contribute to the optimization of operational efficiency, informed decision-making, and proactive prevention. This study investigated the defect development mechanism using chain rules for the classification of tunnel defects. Six common non-destructive testing methods and advanced robotic inspection systems were reviewed for their ability to facilitate rapid and accurate defect detection. Finally, the current challenges in tunnel infrastructure health management are presented, and future prospects are suggested.

Keywords

Tunnel / Lining defect / Development mechanism / Intelligent inspection robot

CRediT authorship contribution statement

Yujing Jiang: Writing -review & editing, Methodology, Formal analysis, Conceptualization. Zhutian Pan: Writing -original draft, Resources, Investigation. Xuepeng Zhang: Writing -review & editing, Resources, Methodology, Funding acquisition.

Declaration of competing interest

Yujing Jiang is an Editorial Board Member for this journal, and was not involved in the editorial review or the decision to publish this article. All authors declare that there are no competing interests.

Acknowledgements

This study was funded by the Program for the Youth Innovative Research Team in the Universities of Shandong Province (2024KJH065).

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