MEMS Inertial Sensor for Strata Stability Monitoring in Underground Mining: An Experimental Study

Table 2

Start and end time of vibration stages (s).

	I	II	III	IV	V	VI
S1	725–1002	1224–1619	2105–2397	3001–3567	4055–4727	5359–caving
S2	127–430	830–1371	1587–2138	2637–3347	3709–4935	5369–caving