Spatial zoning of temporary housing with fuzzy hierarchical analysis and weight overlap (Case Study: Tabriz City)

Document Type : Original Article

Authors

1 Ph.D Student, Department of Civil Engineering, Tabriz Branch , Islamic Azad University, Tabriz, Iran

2 Assistant Pro. Department of Civil Engineering, Tabriz Branch , Islamic Azad University, Tabriz, Iran

3 Assistant Pro, Department of civil engineering, Tabriz Branch, Islamic azad University, Tabriz, Iran

Abstract

The main need of sufferes in natural disasters, is to provide housing, especially to determine the place of temporary residence in critical situations. After the incident, it is not possible to provide suitable places for the injured immediately. Before such crises occur, proper planning must be done to determine the temporary residence so that the necessary infrastructure can be provided and in case of an accident in a crisis situation, it is possible to quickly set up camps for the injured. In this study, to determine the optimal location of temporary residence in Tabriz, various standards effect have been considered such as medical centers, fire brigade, faults, fuel stations, infrastructure facilities, worn-out tissue, watercourse complications. The desired standards were completed at first by experts and once again by experts in this field based on form of a questionnaire, then using the fuzzy hierarchical analysis method, the final weights of each standard were determined. Experts attributed the closeness to the worn-out texture and the second group of experts to the standard of avoiding faults the highest weight. That was important the avoiding standards to hazardous site and the river, for the both experts group. Finally, the last weights obtained the opinions of experts groups from fuzzy hierarchical analysis have been entered in Arc GIS software and the relevant maps that have been prepared using weight overlap in this research. The results show that before the incident, the western part of the city has suitable for temporary accommodation, and after the incident, the central part of the city is appropriate for settlement site. In addition, by comparing the vulnerability maps of Tabriz, the necessary locations for the construction of a temporary housing site were prioritized.

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