Spatial evaluation of vulnerability of strategic and vulnerable uses in Gorgan city based passive defence approach

The present age is the age of urban vulnerability, Because, with the complexity of urban life, cities face a variety of natural hazards and technological crisis, on the one hand, and social-security crises on the other. In this regard, compliance with the requirements of urban use with regard to passive defense should be taken. In this research, in the first place, due to the sensitivity of urban utilities, which are considered as critical, critical and important centers of the cities. And they are at the top of the attack, with their damage causing the city to be paralyzed and surrendered, And alternatives have been presented to suit these uses in accordance with the requirements of non-operating defense. The city of Gorgan is one of the major cities of Golestan province due to its strategic position in the northeast of the country, which links the west to the east and has the privileged economic and social status. The present study is a descriptive-analytical method based on developmental and applied research and is based on library studies and field studies. The findings of this research show that the principles of non-operating urban defense in the use of Gorgan city have not been considered. So that in areas 1, 2 and 3 of area 3 in northern Gorgan and areas where the road belt separates it from the city It is most vulnerable to areas 1 and 2, Zone 1, which is south of townspeople, including the northern Golshahr neighborhoods, south, central, hollow towns, minagels, Soroush and beautiful cities with more favorable conditions in terms of the principles of non-urban action.