Mesoscopic Numerical Simulation of Fracture Process and Failure Mechanism of Concrete Based on Convex Aggregate Model

Table 1

Material parameters of concrete mesostructure.

Materials	Cement mortar	Aggregate	ITZ
Elastic modulus (GPa)	20	53	15
Poisson’s ratio	0.22	0.16	0.2
Tensile strength (MPa)	2.7	7	2.35
Compressive strength (MPa)	27	70	23.5
	0.85	0.9	0.65
	0.35	0.35	0.35
	0.25	0.8	0.25
	8	10	6
	20	20	20
	0.3	0.3	0.3
	5	6	4
	20	20	20
	6	15	3