Structural Analysis of Physical Resilience with a Passive Defense Approach: A Case of District 4, Tehran Metropolis

بهجت تدین ¹ ( PhD student,, Research and Sciences Branch, Islamic Azad University, Tehran . Iran )
Majid Shams ² ( Professor of Department of Geography, Geography Department, Malayer Branch, Islamic Aazd University, Malayer Branch, Malayer, Iran )
Mohammadali khaliji ³ ( Assistant Professor of Urban Planning Department, Ahvaz Branch, Islamic Azad University , Ahvaz , Iran )

Submited date : 2023-07-29 Accepted date : 2023-10-23

Keywords: structural analysis, physical resilience, passive defense, district 4, Tehran metropolis,

Abstract :

 

Reducing the level of vulnerabilities and man-made crises and raising the level of flexibility of the physical environment of cities against the tensions caused by threats and also minimizing the rehabilitation time, as well as promoting and improving people’s living standards and in general, making cities resilient against threats is one of the most important factors that should be considered in cities. In this regard, this article has tried to identify and cluster the drivers of physical resilience in Tehran metropolitan area with the passive defense approach using the structural analysis method. Theoretical data were prepared by document method and experimental data by survey method based on Delphi technique. The statistical population consisted of 20 urban experts based on snowball sampling. 48 stimuli were counted and identified, which were processed by structural interaction analysis method in MICMAC software. The findings indicate that the drivers of protection of public facilities and infrastructures (from retrofitting to reconstruction), access to relief agencies (crisis management center, etc.), access to the main road network, radius of access to open spaces, access to firefighting, technical standards, construction principles and patterns, strength of buildings with public use (school, hospital), reconstruction and improvement of unstable buildings, the existence of temporary accommodation centers in the region, the absence of vital and sensitive uses in crisis-prone areas, the number and level of coverage of hospitals and clinics in the area, permeability and compliance with capacity matrices, desirability and compatibility in land use planning of the region as the most key factors on the future trend of physical resilience of Region 4 were selected with the passive defense approach.

 

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