Subsurface Investigations Using High Resolution Resistivity

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Subsurface Investigations Using High Resolution Resistivity

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Title: Subsurface Investigations Using High Resolution Resistivity
Author: Maganti, Dharmateja
Abstract: Electrical resistivity imaging has been proved to be well suited to produce images of subsurface conditionsbecause of the ability of the technique for detecting resistive features and discriminating subtle resistivity variations in the soil media. Electrical resistivity imaging survey was performed at E. Center Development in Duncanville, Texas. The survey was conducted using SuperSting R8/IP Multi-channel Resistivity Imaging System to image the subsurface structure. Both 2-D and 3-D electrical resistivity imaging tests were conducted using dipole-dipole array at 2 feet, 5 feet and 20 feet electrode spacing. Earth Imager 2D and Earth Imager 3D software's were then used to invert the apparent resistivity data. Three soil test borings were drilled in the site, to confirm and verify the actual subsurface information. The results obtained from resistivity imaging were confirmed by all three soil test borings.
Date: 2008-09-17
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