Dynamic Behavior of Coal Pillar under Different Load Percentage by Numerical Simulation

Table 1

Results of the uniaxial compressive strength test in coal.

Sample no.	Density/(g/cm^3)	Failure load/kN	Compression strength/MPa	Young’s modulus/GPa	Tensile strength/MPa
1	1.37	20.25	7.57	0.62	0.41
2	1.42	22.12	8.42	0.55
3	1.38	16.59	6.22	0.35
Average value	1.39	19.65	7.40	0.5