Table 1.
Chemical composition of the fly ash and cement.
Fig 1.
XRD patterns of the raw materials.
Table 2.
Experimental design scheme.
Fig 2.
Particle size distribution diagram.
Table 3.
Scale of the characteristic size.
Fig 3.
Relationship between grinding time and average particle size of fly ash.
Fig 4.
Net slurry fluidity.
Fig 5.
Compressive strength of cement slurry and geopolymers.
Fig 6.
XRD of geopolymer at 28 d.
Fig 7.
Fly ash microstructure before grinding.
Fig 8.
Fly ash microstructure in grinding for 20 min.
Fig 9.
Fly ash microstructure in grinding for 40 min.
Fig 10.
Fly ash microstructure in grinding for 60 min.
Fig 11.
Microscopy analysis of FG0 at 28 d.
Fig 12.
Microscopy analysis of FG1 at 28 d.
Fig 13.
Microscopy analysis of FG2 at 28 d.
Fig 14.
Microscopy analysis of FG3 at 28 d.
Fig 15.
Elemental distribution of FG0.
Fig 16.
Elemental distribution of FG3.
Fig 17.
Aperture distribution maps.
Table 4.
Summary of MIP test results.
Fig 18.
Effect of different grinding degrees of fly ash on the degree of geopolymer reaction.
Table 5.
Quantification of the degree of geopolymer reaction in each group.
Fig 19.
Reaction process comparison chart.