Energy Evolution Behavior and Mesodamage Mechanism of Crumb Rubber Concrete

Table 3

Mesomechanical parameters of the CRC.

Parameter	Sand	Rubber
The minimum size (mm)	0.8	1.2
The ratio of particle size (mm)	1.66	1.66
Density (kg/m^3)	2600	1200
The normal stiffness (N/m)	1.2e8	1.1e5
The stiffness ratio (l)	1.2	1.1
Friction coefficient (l)	0.42	0.98
Elastic modulus of bond (GPa)	1.72	0.102
Stiffness ratio of bond (l)	1.0	1.0
Tensile strength of bond (MPa)	65.1	6.52
Cohesive force of bond (MPa)	34.0	1.35
Friction angle of bond (°)	9	0