A Numerical Research on Crack Process of Gypsum Containing Single Flaw with Different Angle and Length in Uniaxial Loading

Table 1

The parameters of gypsum in experimental tests [1] and numerical simulations.

Parameter	Experimental tests	UDEC
Density (g/cm^3)	1.54	1.54
Young’s modulus (GPa)	5.96	5.79
Poisson’s ratio	0.15	0.15
Uniaxial compressive strength (MPa)	33.85	33.5
Tensile strength (MPa)	3.2	4.2