identifying effective factors on civil defense doctrine; studied in mashhad city

lack of appropriate controls and lack of centralized access plans have resulted in countless migrations and consequently the creation of a series of anomalies and vulnerabilities followed by the necessity of paying more attention to passive defense issues to reduce vulnerability, facilitate crisis management, continuous services continuity, defense deterrence and increase in urban stability . Therefore, in this study, we identify and explain the effective factors on civil defense doctrine in Mashhad metropolis .metropolis

the present study is applied in terms of purpose, practical and in terms of nature and practice of implementation, descriptive - correlation research. The research population consisted of all experts and experts of the military and civil administration in large metropolitan areas using a purposeful sampling method, 45 were selected as sample subjects data collection instrument consisted of standard questionnaire whose validity was confirmed

based on data analysis, resilience, site allocation and site selection, safety and strengthening of city planning were effective factors on civil defense doctrine in mashhad city . Assessment of the principles of civil defense doctrine of Mashhad city of Mashhad showed that resilience with mean 3.85, locating and site site selection with mean and safe mean and strengthening with mean 3.74 and urban spatial planning had the highest mean.

the lack of respect and consideration of other passive defense considerations in the development and development of the physical space of Mashhad, in addition to the danger, leads to an inevitable damage.