Experimental Study of Size Effects on the Deformation Strength and Failure Characteristics of Hard Rocks under True Triaxial Compression

Figure 11

Failure modes of rock samples with different sizes under the same stress state of σ2 = 30 MPa and σ3 = 5 MPa. (a–c) BS granite; (d–f) BHT basalt.

(a)

(b)

(c)

(d)

(e)

(f)