Presenting the model of a safe urban road network based on the passive defense principles in order to improve city resilience against human-made crisis case study: 12th region of Tehran

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Mehrnezhad Payman; Khoorsandi Mohammad

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Journal: EMERGENCY MANAGEMENT Year:2021 | Volume:9 | Issue:supplement Page(s): 35-46

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Title

Presenting the model of a safe urban road network based on the passive defense principles in order to improve city resilience against human-made crisis case study: 12th region of Tehran

Author(s)

Mehrnezhad Payman | Khoorsandi Mohammad | Issue Writer Certificate

Keywords

Passive DefenseQ1

City ResilienceQ1

Pattern presentationQ1

Secure network of urban roadQ1

District 12 of TehranQ1

Abstract

One of the most important issues in the cities is the crisis management and resilience of the cities against the Human-made crises such as war and terror. Transportation network as the vital artery of the city plays a vibrant role in reducing vulnerability and facilitating crisis management in the city, such as proper access to residential tissues, emergency evacuation of neighborhoods, access to vital emergency relief centers and military centers. Hence, It seems necessary for cities to design a secure urban network includes a set of interconnected passages that have low vulnerability to crisis, while also linking residential blocks, relief and rescue centers, military and Law Enforcement Centers and the bases of the entrance and exit of urban areas uninterrupted. The above mentioned network will maintain its accountability after the crisis, and relief and military efforts will not be disrupted by this, As a result, city preparedness for attacks and riots will increase. This research was conducted with the aim of defining the Secure network of urban roads and describing its features and methods of designing it in urban textures as well as operating it in the District 12 of Tehran. To design the safe network of the District 12, firstly, the existing status passages based on 9 indicators including confinement, access to relief centers, access to green spaces and open spaces, access to military and law enforcement center, passage widths, traffic conditions, Class height, building quality, and types of landuse by IHWP method and GIS software techniques were analyzed from the perspective of crisis vulnerability. In the next step, passages with low vulnerability and appropriate access to critical crisis management menus were selected as the main constituents of the secure network and by doing some actions, the network structure and its interconnection were also provided. In the end, with the aim of maintaining the safety and resilience of the network in the long run, some rules were developed that would only be enforceable on safe network passages.

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APA: Copy

Mehrnezhad, Payman, & Khoorsandi, Mohammad. (2021). Presenting the model of a safe urban road network based on the passive defense principles in order to improve city resilience against human-made crisis case study: 12th region of Tehran. EMERGENCY MANAGEMENT, 9(supplement ), 35-46. SID. https://sid.ir/paper/401926/en

Vancouver: Copy

Mehrnezhad Payman, Khoorsandi Mohammad. Presenting the model of a safe urban road network based on the passive defense principles in order to improve city resilience against human-made crisis case study: 12th region of Tehran. EMERGENCY MANAGEMENT[Internet]. 2021;9(supplement ):35-46. Available from: https://sid.ir/paper/401926/en

IEEE: Copy

Payman Mehrnezhad, and Mohammad Khoorsandi, “Presenting the model of a safe urban road network based on the passive defense principles in order to improve city resilience against human-made crisis case study: 12th region of Tehran,” EMERGENCY MANAGEMENT, vol. 9, no. supplement , pp. 35–46, 2021, [Online]. Available: https://sid.ir/paper/401926/en

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