The Analysis Place-Spatial disciplinary centers on the principles of passive defense with an emphasis on criteria physical - natural, social and economic(Case Study: birjand of city)

The the provision of urban services، attention to many principles، including the principles of passive defense in structures، increase the efficiency of urban system in order to provision better services to citizens as well as the development of a sustainable city. According to the goals principles of passive defense، the prevention and mitigation of natural hazards and human، and as important capabilities of GIS in planning and better decision-making، this paper analysis the Loacation-Spatial disciplinary centers in the Birjand of city has been based on the principles of passive defense. The study of based goal، is practical and based the nature and purpose، descriptive-analytic. The method of Data collection is two libraries and survey. Technique used in the analysis،is the Analytic Hierarchy Process (AHP)، based on experts opinion and paired comparison between indicators، 17 criteria and options for each criteria in Geographical information System. Results showed that more than 45. 89 percent of the city based on the principles of passive defense is good and very good. The General situation of the Location-Spatial Disciplinary centers in the Birjand in city is Almost Appropriate. However، to increase the good performance of these centers، in some cases need to be reviewed and changed.