Measuring the vulnerability of urban structures from the point of view of passive defense during the crisis (Case study: Gomishan city

Throughout history, human beings have experienced the scenes of war and military adventures, and less land has survived from this pest. It is imperative and inevitable to strengthen the urban defense facilities, to set up risk aversion routes, to improve the status of services that are necessary at the time of defense. In this perspective, the human effort to survive has to be equipped with threats. The city is a dense human habitat, which, due to human presence, needs security and safety in all its physical, social, economic, and cultural dimensions. Based on the importance of the subject, the present study is based on the developmental-applied approach and a combination of research methods A descriptive-analytical study of the subject in Gomishan city has been analyzed by providing a city method and effective urban elements in the field of passive defense from the perspective of distance from the center of the city of Gomishan, which seeks to reduce the potential damage caused by human hazards. And natural in the city. The occurrence of natural and human events will cause heavy casualties in the cities. The issue of paying attention to the dimensions of harm and the disassembly of standards will inevitably make the city more comfortable from the perspective of passive defense in order to identify vulnerable elements with a passive defense approach. The city of Gomishan, according to previous studies in this field Neither hierarchical method was used. In this regard, after the identification of the criteria