Spatial Analysis Of Positioning Elements In Peri-urban Areas Of Mashhad(Case Example Of Tus, Mehrgan and Bahonar town)

In recent decades, the metropolis of Mashhad has experienced a huge horizontal expansion and growth, and the annexation of the surrounding villages to the city has been common. In this regard, the newly urbanized areas are located on the outskirts of the city,which are considered the junction of the suburbs with the city and called Pirashahr in the form of separate development in only three urban areas, including Toos,Shahid Bahonar and Mehregan. The result of the present study is descriptive-analytical and based on documentary and survey methods following the effect of land location in isolated suburban areas in Mashhad on controlling or accelerating the process of dysfunctional tissue and also determining isolated suburban area in Mashhad with more success in the field. Elements of land location elements(including demographic,social and cultural elements-economic elements-administrative,defense and securityelements-geographical, natural and environmental elements-spatial-physical elements).The results of the research hypothesis using paired t-test and one-way analysis of variance showed Separate urban sub-districts have improved their economic, quality of life and welfare services after accession.In the field of environment no different is observed compared to the past and in the social field, negative changes have occurred. In the QoL index, Toos area and in the social index,Bahonar town have had a better situation. Also, the results of fuzzy TOPSIS showed that in isolated metropolitan areas, the isolated area of Toos in controlling the growth of dysfunctional tissue and the realization of land location elements had a better performance than Shahid Bahonar town and Mehregan town in order to prevent growth and Expansion of dysfunctional tissues in Shahid Bahonar and Mehregan towns,in the field of planning,considered the necessary measures,especially in the environmental and social fields.