Research Article

Shrinkage and Mechanical Properties of Fibre-Reinforced Blast Furnace Slag-Steel Slag-Based Geopolymer

Figure 7

SEM images of geopolymer mortars to represent the dispersibility of fibres. (a) Blank sample. (b) Basalt fibres (0.4%. (c) PVA fibres (0.4%).
(a)
(b)
(c)