Developing physical resilience strategies in passive defense according to identification of endangered areas of urban environments (case study: Ahvaz city)

Pouryarmohammadi, M; Ahmadi, H and Salaripour, A (2022) Developing physical resilience strategies in passive defense according to identification of endangered areas of urban environments (case study: Ahvaz city). International Journal of Disaster Resilience in the Built Environment, 13(1), pp. 14-30. ISSN 1759-5916

Abstract

Purpose: This paper aims to focus on reducing the vulnerability of Ahvaz city against urban disasters and lowering the number of casualties and amount of financial losses using modern approaches to develop resilience strategies that can increase urban safety to an acceptable level. The strategic situation of Ahvaz city, because of its abundant resources, the war experience and its location on the boundary regions of Iran, highlights its significance. Ahvaz has a high population and an extended texture, and the existence of extraordinary constructions increases the importance of physical resilience in this city. Design/methodology/approach: The present study investigates built environment aspects such as the urban structure, the urban form, land-use proximity pattern, urban road network and crucial and vulnerable centres in Ahvaz, using a combination of qualitative and quantitative methods. Hence, the areas at risk in Ahvaz were identified and illustrated in a comprehensive risk assessment map, and then, by using the strengths, weaknesses, opportunities and threats technique and finally by using the Delphi method, some strategies and plans were presented to reduce the level of vulnerability in Ahvaz. Then, these strategies are prioritized by applying quality function deployment (QFD) technique. Findings: The risk assessment result shows that most parts of Ahvaz’s urban areas are highly at risk. The central and northern parts of Ahvaz have the highest vulnerability at a time of crisis. These zones include district 1 (city centre) and districts 2, 3 and 7 at the city’s margins. The result of QFD process showed that the essential urban resilience strategy is to positively consider the passive defence studies with a physical resilience approach. Also, the proper distribution of strategic points in the city, moving the industrial and oil companies from the peripheral area, and facilitating access to vital, crucial centres to support urban regions are considered the most effective strategic plans. Originality/value: This paper, with an integrated approach, examines and prioritizes the main physical problems of Ahvaz city based on the spatial analysis and opinions of experts. The physical strategies presented in this paper can significantly reduce the risks and increase the urban resilience of Ahvaz city in the face of crisis.

Item Type: Article
Uncontrolled Keywords: Ahvaz city; passive defence; physical resilience; urban environment; urban management; zones at risk
Index terms: case study, Delphi method, built environment, urban form, risk assessment, war, quality function deployment, land, integrated approach, strategy, face, vulnerability, quantitative method, urban area, methodology, population, city centre, urban environment, urban resilience
Subjects: real estate economics, sustainability and resilience, psychology, data analysis and analytics, contractual arrangements, data collection methods, urban sustainability, demography, environmental hazards, quality assurance, infrastructure and transport systems, urban form and morphology, research methods, management, financial risk, conflict and crisis studies
Topics: Organizational Design, Quality Management, Legal Issues, Urban Studies, Procurement, Sustainability, Research Practice, Business Strategy, Cost Management
Descriptive scope: 4 PCTE

N.B. Descriptive scope is a count of how many of the five facets of empirical research are indicated by the words used in title, abstract and keywords. It is not intended as a judgement on the research; merely a count of the kind of word we would expect to indicate Phenomenon, Concepts, Theoretical framing, Empirical techniques, Analytical techniques. If all five are present, then a code of “5 PCTEA” will indicate this. If you feel the coding for this record is questionable, we welcome discussion around the terms we matched or the way we categorized them. The facet you would expect may not be coded, or a facet may be coded inappropriately. This can also bear on a larger question, of which facets should be treated as defining in construction management research. Please get in touch, and we will look at it. More details here