The Effects of Confining Stress on Rock Fragmentation by TBM Disc Cutters

Figure 13

The experimental results of distribution of cracks in granite samples with the minimum confining stress of 5Mpa [4].

(a) 5/5MPa

(b) 5/10MPa

(c) 5/15MPa

(d) 5/20MPa

(e) 5/25MPa