Evaluation of Urban Plans Based on Security Improvement in Deteriorated Area Using Space Syntax (Case Study: Qalamestan Karaj)

Document Type : Research Paper

Authors

• Naser Bonyadi ¹
• Milad Fathi ²
• Navid Jahdi ³

¹ Member of the faculty and head of the urban planning and design department of the Road, Housing and Urban Development Research Center. Tehran

² PhD Student in Architecture, Department of Architecture, Faculty of Engineering, Boroujerd Branch, Islamic Azad University, Lorestan, Iran.

³ PhD student, Department of Architecture, Qazvin Branch, Islamic Azad University, Qazvin, Iran.

10.30495/jupm.2021.27002.3747

Abstract

Supplying the security of citizens is one of the concerns of designers, planners and city officials. Due to its many complexities, knowing cities requires the use of new methods and techniques that can facilitate decision making. The focus of this article is the analysis of the road network in the deteriorated urban tissue.In this article, design solutions at first and then evaluation of these solution have been presented by the “Space Syntax” technique. The research process has been compiled based on the hypothesis of a significant relationship between “Space Configuration" of deteriorated urban tissue with environmental security. Therefore, this article examines, analyzes, presents the plan and re-evaluates the plan in Qalsmatan neighborhood of Karaj with the aim of increasing the security of citizens. In order to test the hypothesis, the "spatial configuration" of Qalamestan neighborhood was extracted based on the axial map in DepthMap software and its relationship was analyzed through the correlation test with the security of passages by Spss23 software. The results show a significant direct relationship between “Integration" and a significant inverse relationship between "depth" and "environmental security" of roads. In the final stage, the proposed projects were evaluated through the above method. The results of the evaluation indicate the improvement of environmental security of the roads in the proposed plan; thus, the level of interconnection increased from 0.536 to 0.646 and the depth of passages decreased from 13.309 to 10.954.Also, the variable average of “Connectivity” of commercial passages has decreased and in residential passages this amount has increased slightly. Based on results, in Qalamestan neighborhood, the security in the passages can be increased if the amount of "interconnection" increases and the amount of "depth" decreases.

Keywords

• Security
• Space Syntax
• Space Configuration
• Deteriorated Area
• Qalamestan

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