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

Table 15

Roof subsidence with different grouting lengths.

Dynamic time (s)	Roof subsidence (mm)
	S = 600 mm	S = 1000 mm	S = 1400 mm	S = 1800 mm
T = 0.00 s	81.79	56.27	55.86	55.95
T = 0.02 s	81.79	56.34	55.96	56.03
T = 0.04 s	80.72	67.81	66.05	67.47
T = 0.06 s	84.18	77.22	75.95	76.83
T = 0.08 s	99.51	110.70	109.87	110.23
T = 0.10 s	164.10	171.14	170.12	159.53