Geo-Engineering Study of Clay Soil Deposits Needed for Earthfill Dams Using Geoelectrical Methods -Bashkat Dam as a Case Study

Khalil Sheikh Mousa Ali, Ashraf Asmaeil Moulhem

Abstract


Electrical resistivity method was used to locate clay (marl, silt, sand, gravel, carbonatic rocks, and clay of different sorts) as a material to construct the clay core of Bashkat dam in Syria. The aims of this study are to:
1- Lay geoelectrical sections for the clayey deposits needed to construct the dam .
2- Clarify the geological structure for the clayey deposits .
3- Determine lithological succession of fragment deposits .
4- Follow the thickness of the lithological change vertically and horizontally .
5- Determine specific electrical resistivity of the different lithological deposits in the area section and its changes vertically and horizontally.
6- Evaluate beneficial reserve of the fragment deposit layers .
7- Supply initial material near the location of the dam .
8- Determine the percentage median for the clay in every geoelectrical section .
Used to solve the above mentioned case was the resistivity method by using vertical electrical sounding and Schlumberger configuation. As a result of interpretation of the geoelectrical measurement field, it was laid down seven geoelectrical sections were laid down for the places of the clayey deposits needed to construct Bashkat embankment dam .

Keywords


Geo-Engineering, geoelectrical, clayey deposits, Bashkat earthfill dam

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