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10th Biennial International Conference and Exposition on the theme

Geotechnical site characterization through geoelectrics

Published in GEOHORIZONS - 2013

Rambhatla G. Sastry* and Param K. Gautam**

Abstract


Point-wise geotechnical site testing in complex geological settings providing refined geo-mechanical information demands costlier drilling budget. Due to absence of suitable transforms geoelectrical imaging results cannot be directly translated to geotechnical knowledge. Here, in a case study we show that 2-D Electrical resistivity tomography (ERT) and induced polarization tomography (IPT) profile data along with projected geotechnical data (Standard Penetration Test (SPT)/Dynamic Cone Penetration Test (DCPT)/Static Cone Penetration Test (SCPT)) from a pair of nearby boreholes/locations can provide 2-D sections of different formation parameters, geotechnical tests and parameters on the same profile.

Keywords


Geotechnical tests, Geoelectrical imaging, Geotechnical parameters, Formation Parameters, Lithology Sections, Soil strata, Bearing capacity of soil, Regression analysis

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