International Journal of Earth Sciences and Engineering

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Fluid transport properties of concrete can be explained by measuring electrical resistivity in fresh state to hardened state. Electrical resistivity when compared with strength properties shows the quality of concrete. Bulk electrical resistivity measurements are compared with calculated maturity of concrete which is related to time and temperature of curing at early age. It is observed that electrical resistivity and strength are closely related with each other. This work addresses the effect of curing time, type of binder and effect of aggregate on strength and maturity of concrete using electrical resistivity measurements of saturated surface dry samples. Empirical results obtained are used as tools to derive maturity and strength both in non destructive manner. Resistivity is justified with ionic conductivity in pore structure.

Keywords

Bulk Electrical Resistivity, Maturity, Compressive Strength, Ionic Conductivity.
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