Parametric Study on the Ground Control Effects of Rock Bolt Parameters under Dynamic and Static Coupling Loads

Table 8

Number of tensile failures with different bolt diameters.

Dynamic time (s)	Number of tensile failures
	φ = 16 mm	φ = 18 mm	φ = 20 mm	φ = 22 mm
T = 0.00 s	680	679	692	741
T = 0.02 s	680	679	692	741
T = 0.04 s	1791	1802	1848	1870
T = 0.06 s	1972	1989	2040	2028
T = 0.08 s	2149	2145	2231	2235
T = 0.10 s	2169	2177	2248	2261