Research Article

Experimental and Numerical Simulation of Coal Rock Impact Energy Index Based on Peridynamics

Table 1

Physical parameters of different types of specimens.

Specimen type and numberCoarse sandstone, CSFine sandstone, XSMudstone, NYTop coal seam, 1MBottom coal seam, 4M

Density273.9277.8281.4175.722.46
Modulus of elasticity (×105) (MPa)5.25.23.51.21.2
Poisson’s ratio0.2490.250.330.30.3