Abbreviations
- ρ w :
-
Electrical resistivity of the pore water (Ω m)
- ρ (Δρ):
-
Electrical resistivity of the rock (increment) (Ω m)
- ϕ (Δϕ):
-
Porosity of the rock (increment)
- S (ΔS):
-
Water saturation of the rock (increment)
- m (Δm):
-
Rock cementation index (increment)
- n (Δn):
-
A constant related to the water content of the rock (increment)
- V (ΔV):
-
Rock total volume (increment) (m3)
- V w (ΔV w):
-
Volume of water (increment) (m3)
- V p :
-
Rock pore volume (m3)
- ε :
-
Axial strain
- σ :
-
Axial stress (MPa)
- σ c :
-
Yield stress (MPa)
- σ d :
-
Peak stress (MPa)
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Acknowledgements
This research is supported by the Fundamental Research Funds for the Central Universities (2017XKQY024) and the Priority Academic Program Development of Jiangsu Higher Education Institutions.
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Lü, C., Sun, Q. Electrical Resistivity Evolution and Brittle Failure of Sandstone After Exposure to Different Temperatures. Rock Mech Rock Eng 51, 639–645 (2018). https://doi.org/10.1007/s00603-017-1351-7
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DOI: https://doi.org/10.1007/s00603-017-1351-7