Numerical Analyses of Fracturing Behavior and Strength of Specimens with Two Parallel Infilled Flaws under Uniaxial Compression

Table 5

Mechanical properties of specimens with two parallel open flaws or infilled flaws.

Mechanical properties	Specimens with open flaws			Specimens with infilled flaws
	β = 120°	β = 120°	β = 120°	β = 120°	β = 120°	β = 120°
	α = 0°	α = 45°	α = 90°	α = 0°	α = 45°	α = 90°
Uniaxial compressive strength (MPa)	23.6	28.1	37.2	24.7	30.6	37.3
Initiation stress (MPa)	12.8	17.9	29.7	13.4	19.2	29.9
Elastic modulus (GPa)	18.0	23.1	24.1	18.4	23.1	24.0
Poisson’s ratio	0.21	0.21	0.20	0.26	0.21	0.20