Effect on Fresh C-S-H gels of the Simultaneous Addition of Alkali and Aluminium

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The effect of glass powder on the microstructure of ultra high performance concrete (2014, methodology): “He determined by (29)Si and (27)Al NMR spectroscopy three-dimensional alkaline aluminosilicate gel cross-linking with two-dimensional C–S–H gel [34].”
Mitigating the autogenous shrinkage of alkali-activated slag by metakaolin (2019, background): “The band at around 815 cm−1 is typical for Si–O (Q1) symmetric stretching vibrations [56].”
Microstructure, strength, and moisture stability of alkali activated glass powder-based binders (2014, background): “charge balancing role in N–A–S–H, the binding of some Na to C–S–H gel [45], and the incorporation of Ca and Al into the sodium silicate gel structure results in a reaction product that is more stable under moisture exposure than the ones formed either from the activation of pure glass powder or a 50”
Characterization of alkali activated geopolymer mortar doped with MWCNT (2015, background): “O) (Garcia-Lodeiro et al. 2010) observed with MWCNT ratio more than 0.1%, where the carbonate constituents in slag materials lead to the growth of the carbonate band as discussed above, showing that the carbonates identified in this raw material do not react significantly under alkaline activation…”