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Criteria of Passive Defensein Subway Stations Original Article, D46 Kameli M., Zarei S., Kalantari M., SoleimanNejad E. J. Civil Eng. Urban. 4(3): 298-304. 2014 ABSTRACT: Defense is an integrated concept, which includes both active and passive defenses. The effects of the war include heavy human and material losses and damages to cities that can be reduced by using passive defense measures and methods before the outbreak of the war. Metro (subway) trains, as one of the critical infrastructures, with a dual function can be considered as a settlement of refugees, and can be applied in times of crisis and threat. Observing safety and protection standards against natural and unnatural threats, gives a defensive approach to the subway buildings as their main feature. This paper provides a brief description about how to apply, benefit, and perform the methods of passive defense in metro stations as a secure underground area, considering the global experiences and investigates the basic and important components of the Metro, the types of threat and vulnerability, the economic justification and the functions of the metro stations with a descriptive-analytic approach, and then offers some considerations and solutions for the relevant passive defense. After achieving the technical criteria and applying them in the Architectural designing phase, in the event of a possible modern war (called the sixth generation of wars) the citizens' security will increase, and the defensive power and national security will enhance subsequently. Keywords: The Subway, Designing, Passive Defense, Threat, Architecture. منبع: [Hidden Content] دانلود: [Hidden Content].,%204%20(3)%20298-304,%202014.pdf J. Civil Eng. Urban., 4 (3) 298-304, 2014.pdf