HRWRAHigh-Range Water-Reducing Admixture
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In the second series of mixtures, the addition of the first dosage of HRWRA resulted in a decrease in viscosity as recorded by both the truck and ICAR rheometer.
The addition of HRWRA for mix C11, C12, and C13 resulted in decreases in the yield values measured by both the ICAR rheometer and the truck.
Therefore, the operator could determine the necessity of adding more water or HRWRA to obtain the workability desired.