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Preparation of a geotechnical microzonation model using Geographical Information Systems based on Multicriteria Decision Analysis |
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| Authors: | a&#x;l Kolat Vedat Doyuran Can Ayday M Lütfi Süzen |
| Institution: | aDepartment of Geological Engineering, Middle East Technical University, Ankara 06531, Turkey bAnadolu University, Research Institute of Satellite and Space Sciences, Eski?ehir 26470, Turkey |
| Abstract: | The purpose of this study is to develop a geotechnical microzonation model using Geographical Information Systems (GIS) based on Multicriteria Decision Analysis (MCDA). As study area, the Eski?ehir downtown area has been chosen. Eski?ehir is one of the most rapidly growing cities in central Turkey. The model inputs include slope, flood susceptibility, soil, depth to groundwater table, swelling potential, and liquefaction potential. The weight and rank values are assigned to the layers and to the classes of each layer respectively. The assignment of the weight/rank values and the analysis are realized by the application of two different decision models, namely Simple Additive Weighting (SAW) and Analytic Hierarchy Process (AHP) methods. The geotechnical microzonation maps prepared as outputs of these methods are found to be consistent with each other and confirmed by the experts within the study area. The geotechnical microzonation map prepared using the AHP method is recommended as the final map of the study. |
| Keywords: | Geotechnical microzonation model Geographical Information Systems Multicriteria Decision Analysis Analytic Hierarchy Process Eski?ehir |
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