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

Figure 11

Monitoring results on AE characteristics of briquette coal sample M3-3 with a cement content of 10% under uniaxial compression: (a) stress and amplitude; (b) stress and counts; (c) stress and energy.

(a)

(b)

(c)