Experimental and Numerical Studies on Bond Quality of Fully Grouted Rockbolt under Confining Pressure and Pull-Out Load

Table 2

Material properties of the rockbolt, concrete, and cement mortar.

Ingredient	Density (kg/m^3)	Elastic modulus (GPa)	Poisson’s ratio
Rockbolt	7850	210	0.3
Cement mortar	2035	15.3	0.16
Concrete	2300	33	0.23