ABSTRACT

Introduction

Accelerated urbanization and excessive growth of megacities leads to inadequacy of infrastructure and urban services, lack of housing, marginalization leads to spatial inequalities in the provision of infrastructure, service uses, and as a result, loss of livability and quality of life. It has the degree of providing the necessities of a society based on the needs and capacity of the people of that society. Therefore, it doubles the necessity and importance of paying attention to the need to respond to these needs in a metropolis like Karaj. Karaj metropolis, consisting of 10 urban areas, faces high population and its destructive effects. Some of these areas are flourishing and prosperous, while others are declining and neglected, which has resulted in lower satisfaction with livability in the areas.

Methodology

The current research is applied in terms of purpose and descriptive-analytical in terms of nature. Data collection has been done by documentary and field method. In order to collect data, questionnaires and secondary data (statistical yearbook and master plan of Karaj city) were used. The statistical population of the research included the citizens of ten districts of Karaj metropolis, the sample size of which was 384 questionnaires) based on the Cochran formula and multi-stage cluster sampling method. To ensure the correctness, clarity and validity of the questions, a preliminary test (Pre-Test) of the questionnaire was conducted and after solving the problems and shortcomings of the questionnaire, it will be completed among the sample population. For data analysis, ArcGIS, Excel, SPSS and sample statistical tests, analysis of spatial hotspots in GIS have been used.

Results and discussion

The results of the T-Tech test show that satisfaction with most of the physical and infrastructure indicators in Karaj metropolis is low. The results of measuring the livability of physical and infrastructural indicators in the regions of Karaj metropolis show that among the regions, region 8 has the highest satisfaction with an average of 3.67 and region 10 has the lowest satisfaction with livability in Karaj metropolis. Also, the results of Vicor model in ranking regions Karaj metropolis from the point of view of livability in infrastructure-physical dimensions has shown that district 8 of Karaj was the most livable and district 10 ranked last among the districts of Karaj.