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

Table 5

Number of tensile failures with different bolt lengths.

Dynamic time (s)	Number of tensile failures
	L = 1800 mm	L = 2000 mm	L = 2200 mm	L = 2400 mm
T = 0.00 s	800	792	695	680
T = 0.02 s	800	792	695	680
T = 0.04 s	2067	1848	1856	1940
T = 0.06 s	2252	2040	2045	2103
T = 0.08 s	2507	2431	2255	2248
T = 0.10 s	2517	2448	2277	2260