Effects of Doping Glass Fibers on the Early Strength of Sand-Based Cemented Paste Backfill for Solid Wastes Disposal in a Coal Mine

Figure 10

Mechanical strength of SCPB with different curing ages (glass fiber group II). (a) IIu-1 d. (b) IIu-3 d. (c) IIu-7 d. (d) IIu-14 d. (e) IIu-28 d. (f) IIu-60 d.

(a)

(b)

(c)

(d)

(e)

(f)