Abstract
The inclusion of nanomaterials in alkali-activated composites (AAC) have been widely investigated for a comprehensive understanding of their effects on various fundamental properties of AAC. The synergetic effect of these nanomaterials on fresh and hardened properties have been deliberated in this paper extensively. The influence of nanosilica (NS), nanoalumina (NA), nanomagnesia (NM), nanotitanium dioxide (NT), carbon nanotubes (CNT), graphene oxide (GO), and reduced graphene oxides (rGO) on AAC have been taken under for discussion. Owing to the tiny particle size, the nanomaterials play a vital role in enhancing the material properties by filling the pores inside the matrix thus densifying the structure. The large surface area of these materials also significantly enhances the reactivity which leads to optimum reaction products and hence improving both mechanical and durability properties. The challenges with the use of these nanomaterials in AAC are also briefly discussed.
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