**4. Conclusions**

The objective of this study was to investigate the effects of Na2O content and Ms of the alkali activator on the workability and setting of AAS pastes. To evaluate the fresh properties of the pastes, mini slump, Vicat test, and rheology/UPV test were applied. Based on the experimental results, the following conclusions can be drawn:


**Author Contributions:** S.C. & K.-M.L. designed the study; S.C. performed the experimental work and analyzed the data; K.-M.L. reviewed and edited the article; S.C. wrote the article.

**Funding:** This research was supported by a grant (19SCIP-B103706-05) from the Construction Technology Research Program funded by the Ministry of Land, Infrastructure, and Transport of the Korean government.

**Conflicts of Interest:** The authors declare no conflict of interest.
