Numerical Studies on the Failure Process of Heterogeneous Rock Material with Preexisting Fracture under Uniaxial Compression

Figure 7

The stress-strain curve and acoustic emission of uniaxial compressive tests of various homogeneity indexes (). (a)  = 3; (b)  = 4; (c)  = 5; (d)  = 6; (e)  = 7.

(a)

(b)

(c)

(d)

(e)