Experimental Research on the Mechanical Performance of the Bolted Rock under Lateral Impact Load: Effect of Prestress, Body Material, and Anchorage Style

Table 1

Test results of bolt materials.

Serial number	Bolt type	Maximum load	Strength (MPa)		Elasticity modulus (GPa)	Ultimate elongation (%)	Reduction of area (%)	Impact absorbing energy (J)
			Yield strength	Breaking strength
1	HRB400	43.1	378	550	200	28.5	65.0	111
2	HRB500	50.2	500	640	200	25.5	63.0	130
3	CRM700	68.7	748	876	200	20.5	67.0	166