Abstract
The characterization of the sensing property of self-sensing concrete heavily depends on the sensing signal measurement. Electrical resistance or resistivity, impedance, electrical reactance, capacitance, and relative dielectric constant can be used as sensing signals to characterize the sensing behavior of the self-sensing concrete. The direct-current volume electrical resistivity or resistance is the most commonly used sensing signal. The electrode fabrication and the electrical resistance measurement methods are two critical factors affecting the accuracy of the sensing signal of self-sensing concrete. The sensing signal of self-sensing concrete can be acquired through wired or wireless technology. A subsequent signal processing technology is helpful to remove the measurement noise and extract an effective sensing signal.
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