Mechanism on Activation of Coal Gangue Admixture

Figure 16

Internal and external characteristics of the M7S10 and M7G10 test specimens. (a) External apparent morphology of 28 d of M7S10; (b) external apparent morphology of 28 d of M7G10; (c) internal apparent morphology of 28 d of M7S10; (d) internal apparent morphology of 28 d of M7G10.

(a)

(b)

(c)

(d)