Seismic vulnerability assessment of tunnels in algeria: An innovative hierarchical approach

Authors

  • Zakaria Ghribi
  • Mahmoud Bensaibi

DOI:

https://doi.org/10.54021/seesv5n2-020

Keywords:

Earthquake, Vulnerability index, Tunnels, AHP

Abstract

Tunnels are crucial components of civil infrastructure, serving as vital transportation routes for the public. In Algeria, where many tunnels are located in seismic zones, they face considerable risks from earthquakes, which can potentially impair their operational integrity. The susceptibility of these tunnels to seismic hazards underscores the need for robust assessment frameworks to evaluate their vulnerability. This study introduces a novel hierarchical framework for assessing tunnel vulnerability, drawing on global seismic data and experience. By integrating the Analytic Hierarchy Process (AHP) with the Vulnerability Index (VI), we categorized tunnels into three vulnerability levels. This approach enabled the development of seismic scenarios to forecast their performance during future earthquakes. The methodology was applied to numerous tunnels across Algeria, yielding insightful results that align with observations from post-seismic assessments. By systematically analyzing various influencing parameters, including geological conditions, structural design, and operational factors, the study enhances our understanding of tunnel resilience in seismic contexts. Ultimately, this research contributes to proactive risk management strategies for tunnel infrastructure, aiming to mitigate potential damages and ensure their continued functionality in earthquake-prone regions like Algeria. By refining our assessment methods and predictive capabilities, we strive to bolster the resilience of critical urban infrastructure against seismic risks.

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Published

2024-07-11

How to Cite

Ghribi, Z., & Bensaibi , M. (2024). Seismic vulnerability assessment of tunnels in algeria: An innovative hierarchical approach. STUDIES IN ENGINEERING AND EXACT SCIENCES, 5(2), e5665. https://doi.org/10.54021/seesv5n2-020