a systematic study of public life in urban space Case Study :The 17 thShahrivar pedestrian way in Tehran city

The advent of technology has reduced the need of citizens to buy, work and do even social interactions in urban space. This condition has increased the power of individuals to choose between attend or absent from the public space and consequently has highlighted the importance of public space quality. The purpose of the public life study is to focus on the daily life of urban space to identify factors affecting public life and provide a favorable urban environment for the presence of various social strata. In this regard, the 17th Shahrivar project in Tehran was selected, which, despite the planning for pedestrians, has not been able to provide the invited and desired space for citizens. The present research, with an emphasis on the ideas of Jan Gehl, uses Gehl's study tools of public life, including counting, mapping, looking for traces, keeping a diary and test walks in the area. The findings of the research show that the study area has not had a proper public life condition except in the evenings. The main factor was lack of transparent, attractive, dynamic and diverse activities in the axis. For this reason, abandoned spaces have been created with little social monitoring which cause unwanted and unplanned functions, such as becoming a vehicle park or the emergence of social unpredictable activities that is related to the background and potential context of space. By changing the social context of users toward abnormal, alien and specific people, has reduced the quality of the environment, especially in terms of psychological security, and has decreased the presence of normal people, specifically women and children.