Iranian Sustainable Building Scientific Association International Journal of Urban Management and Energy Sustainability 2538-1628 1 4 2020 11 01 Investigation of Urban Open-Spaces Organization Effects in Urban Management 67 76 34847 10.22034/ijumes.2019.4.10.0349 EN O. Jeddi Farzane Department of Urban Planning, Faculty of Architecture and Urban Planning, Tabriz Islamic University of Art, Tabriz, Irann F. Khayami Department of Urban Planning, Faculty of Architecture and Urban Planning, Iran University of Science and Technology, Tehran, Iran Journal Article 2020 04 09 Open space as a supplementary for green space results in reduction of human and constructional density. These places offer opportunities for creative growth, social interaction and conflict; applications such as establishing communication, relaxation and recreation are very efficient in cutting down pollution and improving the surroundings. Open spaces between residential buildings are placed in daily life where residents have relations with nature and spend their leisure time. In the past times, the courtyard was the beginning and the most accessible space to experience a tight relationship with nature and open place. In current conditions, the houses built in urban cores such as Tehran are not capable to supply most of the Iranian life needs. residential open spaces have various features and dimensions, and their principles and their planning criteria can be applied to achieve an appropriate residential environment. Some of these dimensions which their related criteria were noted in reviewing the principal disciplines and will be likewise utilized to analyze. On analysis stage, first, classifying documentary, statistical and spatial data with regard to the research objectives was done on the subject and field form, interviewing, photographing, using documents and available maps and also reference information and finding are classi- fied. Analytic hierarchy process (AHP) was used for qualitative assessment.  https://www.ijumes.com/article_34847_d2c2de6e423321db2aed69be2da62c9b.pdf