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ORIGINAL RESEARCH article
Front. Built Environ.
Sec. Sustainable Design and Construction
Volume 11 - 2025 | doi: 10.3389/fbuil.2025.1569624
This article is part of the Research TopicEvaluation and Maintenance of Infrastructure SystemView all articles
A Decision-Making Framework for Seismic Risk Assessment in Gas Distribution Networks: A Case Study of Tehran, Iran
Provisionally accepted- 1Islamic Azad University of Arak, Arak, Markazi, Iran
- 2Islamic Azad University Central Tehran Branch, Tehran, Iran
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The seismic vulnerability of urban critical infrastructure presents significant challenges for disaster preparedness and risk management. This study investigates the seismic risks associated with Pressure Reduction Stations (PRS) in Tehran, Iran, using an integrated framework combining Geographic Information Systems (GIS), Dominance-Based Decision-Making (DBDM), and Density-Based Spatial Clustering of Applications with Noise (DBSCAN). The analysis evaluates key risk factors such as proximity to fault lines, ground motion intensity, structural integrity, and population density. High-risk zones and outlier facilities are identified, with Districts 2 and 10 emerging as the most vulnerable areas due to dense fault networks and high population exposure. PRS-26 and PRS-10 are prioritized for retrofitting to mitigate potential disruptions and cascading hazards. The results demonstrate the value of combining advanced spatial analysis and decisionmaking tools to enhance the seismic resilience of gas distribution networks. This framework offers practical insights for urban planners and policymakers to improve disaster risk management strategies in seismically active regions.
Keywords: seismic vulnerability, GIS, Pressure reduction stations, Dominance-Based Decision-Making, DBSCAN clustering, disaster risk management, urban resilience
Received: 01 Feb 2025; Accepted: 15 Apr 2025.
Copyright: © 2025 Khoshnoud, Tayaran, Ehsanifar and Mazaheri. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Shahrzad Tayaran, Islamic Azad University Central Tehran Branch, Tehran, Iran
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