What question did this study set out to answer?

This research aims to establish correlations between electrical resistivity tomography (ERT) and geotechnical parameters for subsurface characterization.

April 17, 2026Journal of Petroleum Exploration and Production TechnologyOpen Access

Site specific geophysical-geotechnical integration: correlating ERT and SPT for subsurface characterisation

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This research aims to establish correlations between electrical resistivity tomography (ERT) and geotechnical parameters for subsurface characterization.
Conducted ERT surveys and SPT boreholes at nine locations up to 30 meters deep.
Analyzed correlations between soil resistivity and SPT-N values, shear wave velocity, moisture content, and plasticity index.
Used nonlinear and linear regression to quantify relationships.
Established a strong nonlinear correlation between soil resistivity and moisture content (R2 = 0.74).
Found moderate linear correlations for shear wave velocity (R2 = 0.62) and SPT-N values (R2 = 0.55).
Demonstrated ERT's efficacy in estimating geotechnical properties, enhancing subsurface investigation efficiency.

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Implication

Geophysical and geotechnical integration demonstrates effective subsurface characterisation in a seismic region, indicating a practical tool for infrastructure development.

Cite This Study

Najar et al. (2026) studied this question.

synapsesocial.com/papers/69e1cefb5cdc762e9d857f8f https://doi.org/10.1007/s13202-026-02144-6

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Implication

Geophysical and geotechnical integration demonstrates effective subsurface characterisation in a seismic region, indicating a practical tool for infrastructure development.

Site specific geophysical-geotechnical integration: correlating ERT and SPT for subsurface characterisation

Key Points

Discussion

Implication

Cite This Study

Site specific geophysical-geotechnical integration: correlating ERT and SPT for subsurface characterisation

Key Points

Discussion

Implication

Cite This Study