Study on Mechanical Characteristics of Fully Grouted Rock Bolts for Underground Caverns under Seismic Loads

Table 2

Physical and mechanical parameters.

Rock		Mortar		Bolt		Interface
	4 GPa		10 GPa		210 GPa		0.6 MPa
	3 GPa/m		0.167		0.3		25°
	0.3		10 mm		2.5 m
	0.8 MPa				11 mm
	30°			Space	1.05 m × 1.2 m