Simulation of the Uniaxial Mechanical Properties and Crack Evolution of Coal Pillar-Artificial Dam in Abandoned Mines

Table 3

Test and simulation results.

Serial number	Test		Simulation
	Mean stress (MPa)	Mean strain (%)	Stress (MPa)	Strain (%)
Dam	34.21	1.08	34.33	1.14
Coal	5.25	0.94	5.40	0.97
50°	31.42	1.21	32.85	1.23
60°	32.44	1.22	33.46	1.24
70°	34.45	1.24	33.71	1.24
80°	32.81	1.20	32.85	1.20
90°	31.47	1.19	32.20	1.17