Study of Strength and Deformation Evolution in Raw and Briquette Coal Samples under Uniaxial Compression via Monitoring Their Acoustic Emission Characteristics

Figure 10

Monitoring results on AE characteristics of briquette coal sample M2-3 with a cement content of 5% under uniaxial compression: (a) stress and amplitude; (b) stress and counts; (c) stress and energy.

(a)

(b)

(c)