Evaluating Properties of Soil Deposits for Transportation Infrastructures Based on Geotechnical Boreholes (Case Study: Semnan City)

Document Type : Research Paper


1 Assistant Professor, Civil Engineering Department, Shahrekord University

2 null

3 M.Sc graduate, Department of Civil Engineering, Semnan University.


Design of technical buildings and urban infrastructures, like transportation systems, requires preliminary estimates of geotechnical parameters. Thus, it is very important to prepare detailed engineering properties of soil deposits in different areas based on geotechnical investigations. This study aims to evaluate soil properties followed by a geotechnical database for Semnan City, Iran. For this purpose, wide information was collected from 110 geotechnical boreholes. In addition to the statistical analysis of the collected tests results, physical and mechanical soil parameters of Semnan City were zoned using kriging statistical interpolation method by ArcGIS software. Preparation of such basic information, while having the ability to be completed and updated, can provide the conditions for better estimation of geotechnical parameters in the studied region. The internal friction angle, cohesion, density and soil moisture content parameters were zoned using statistical interpolation method. Finally, based on the carried out zonation, ground conditions in different areas of the studied region were described


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