Investigating the Social Interactions’ Factors the Urban Pedestrain (Case Study: Ahmadabad Pedestrain, Mashhad)

In semantic context, the urban space is a combination of social relations in the body of the city to meet the needs of the citizens. This environment is a place for the flow of people’s social life and creation of the ground for social interactions of citizens of a city. But what is now visible in cities has no similarity to the real meaning of urban space and social urban space, and indeed, its spiritual and social dimensions decreased and only a body remained. Due to the important effects of urban areas on citizens’ life and behavior, and with regard to the main contents of the spaces that is social relationships and interactions between citizens, this study has discussed the factors and criteria in the views of different scholars on the field of urban environment quality, with an emphasis on increasing social interaction. By checking and categorizing qualitative criteria that influence the improvement of the social dimension of urban space, this study seeks to be able to underlie the development of the quality of the environment as one of the main objectives of the urban design .For this purpose, after reviewing the relevant concepts to quality and urban space and also the social interactions with descriptive analytical method, criteria and factors influential on the quality of urban spaces qualitative growth identified and to measure the extent of the impact of these factors, we checked them in study area of Mashhad, Ahmad Abad Street. Then the obtained information analyzed through field survey and individual interviews and by completing questionnaires. At the end, a model of criteria and qualities introduced that was presented from different sources in relation to the urban space quality based on social interaction and its impact was also proven in the case study.