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Abstract

Summary

The uniaxial compressive strength (UCS) is one of the most important design parameters in a rock engineering projects and it should be determined as a prerequisite for geotechnical studies. Since direct determination of geomechanical properties of rocks are usually expensive, time consuming and only capable in local geomechanical properties determination, simple and non-destructive test can be used as alternative method to have a good understanding of the rock behavior. Geophysical electrical techniques as a non-destructive test can be used both in the laboratory and in-situ. In this research, special electrodes were connected to the granite core samples to measure changes of the electrical resistivity values during the uniaxial compressive strength tests. A combination of the obtained results from the compressive strength tests and the electrical resistivity measurements illustrated the initial compression behavior of the rock samples and the development of micro-cracks before the sample failure. A strong logarithmic correlation between resistivity and uniaxial compressive strength was found by increasing the number of samples and using statistical analysis.

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/content/papers/10.3997/2214-4609.201900452
2019-04-24
2024-04-25

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Determination of Uniaxial Compressive Strength of Granite Rock Samples using Electrical Resistivity Measurement: NDT
Conference Proceedings 2019, 1 (2019); https://doi.org/10.3997/2214-4609.201900452
/content/papers/10.3997/2214-4609.201900452
/content/papers/10.3997/2214-4609.201900452
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