Strength Characteristics and the Reaction Mechanism of Stone Powder Cement Tailings Backfill

Figure 11

Microtopography and its binarized image; (a) magnified SEM image of Group A4; (b) magnified SEM image of Group B4; (c) Group A4 after binarization; (d) Group B4 after binarization.

(a)

(b)

(c)

(d)