Figure 17 a,b show the compressive strength enhancement in the AAMs up to 0.3% MWCNT/rGO and a decreasing trend at a higher dosage, indicating 0.3% is an optimum.
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Rheological, Fresh State, and Strength Characteristics of Alkali-Activated Mortars Incorporating MgO and Carbon Nanoparticles.
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The sentences
The addition of 5% MgO increased the compressive strength by 8 to 13%, while the use of WCNT/rGO showed an increasing trend up to 0.3% and a decrease at a higher dosage (0.6%).