Fig. 10

Strength Vs peak conductance shift for different concrete mixes (a) without accelerator and (b) with accelerator and strength vs. peak frequency shift for different concrete mixes (c) without accelerator and (d) with accelerator.
Strength Vs peak conductance shift for different concrete mixes (a) without accelerator and (b) with accelerator and strength vs. peak frequency shift for different concrete mixes (c) without accelerator and (d) with accelerator.