Mechanical Properties and Acoustic Emission Characteristics of Karst Limestone under Uniaxial Compression

Figure 12

Stress and AE activity of samples. (a) Group A, dry state (A-1). (b) Group A, natural state (A-4). (c) Group A, saturated state (A-9). (d) Group B, dry state (B-2). (e) Group B, natural state (B-4). (f) Group B, saturated state (B-7). (g) Group C, dry state (C-2). (h) Group C, natural state (C-4). (i) Group C, natural state (C-7).

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)