Research Article

Simulation and Experimental Study on the Discontinuous Dynamic Impact on Unidirectional Confined Coal-Rock Damage

Table 1

Model loading mechanics parameters.

ModelNo.Constraint static load MPaImpact velocity m/s

Impulse modela22.08
b22.94
c23.60
d24.15
e24.64
f25.48

Constraint static load modela02.08
b12.08
c22.08
d32.08
e42.08
f52.08