Mechanical Properties of Tunnel Muck with Fly-Ash Geopolymer

Figure 2

The typical geopolymer sample made by two methods. The same percentage of material in proportions is used for these two methods, except that 18% more water is added for casting method in order to make the raw materials able to be poured into the mold: (a) made by casting method; (b) made by pressing mold method.

(a)

(b)