Investigation the Relationship between Urban Defenseless Spaces with Sense of Citizens Social Security Case Study: Tehran City

Abstract

The relationship between urban space and the sense of social security of citizens nowadays is considered as one of the topics of urban sociology in sociology, these spaces can make a significant impact on the psychological security among citizens. Therefore Introdution 1.Development of physical and social dimensions of cities and become them to the centers of heterogeneous demographic, social and physical unevenness and urban Sprawl and yet inevitably have has a significant impact on urban life. In this century can be effected so that cities in the development of social and behavioral damage observed in urban communities. Increased urban violence underlying the behavioral and social insecurity, and the people who live close relations with their living environment is faced with difficulty (Jacobs,1981:35).With the expansion of the city in modern era, and complications arising from urbanization, urban crime phenomenon was the subject of scientific research and various views were expressed on this issue. Some, like Chicago School directly note to the density and mobility of the population and cultural diversity are influencing social disorganization and others such as Jane Jacobs, Newman, Transyk focus on aspects of urban design and architecture and physical characteristics of the crime facilitator and insecurity (khamoushi:2008;1). The city with all its layers (physical form , space, movement and access bones of public spaces) can help to create a safe and secure environment and create social space oriented encourage citizens to pause gathering vice versa to Edward Hall; space can also be interpreted in terms of physical and social barriers created social space getaway (Hall:1997;122).The lack of security, a sense of danger and fear of crime in urban areas to reduce the use of public areas without a sense of security and lack of efficiency of the urban environment, urban environment areas would not be citizens social interaction spans, So we can say urban security in today's world one of concerns issues in architecture , urbanism and