Experimental Hazardous Rock Block Stability Assessment Based on Vibration Feature Parameters

Table 3

A list of vibration feature parameters and safety factors obtained experimentally.

State (±2°C)	Vibration feature parameters										Safety factor
	P1		P2		P3		P4		P5
	Data	Avg.	Data	Avg.	Data	Avg.	Data	Avg.	Data	Avg.
1 (15°C)	1.59	1.58	68.62	68.49	71.23	71.00	75.00	75.00	3.04	3.04	3.36
	1.58		68.37		70.64		75.00		3.04
	1.56		68.48		71.13		75.00		3.03
2 (26°C)	1.60	1.60	67.27	67.31	69.85	69.89	73.82	73.82	3.06	3.06	2.82
	1.59		67.38		69.95		73.82		3.05
	1.61		67.29		69.86		73.82		3.07
3 (35°C)	1.98	1.99	65.76	65.87	68.45	68.55	75.00	75.00	3.73	3.75	2.39
	1.99		66.11		68.78		75.00		3.76
	1.99		65.73		68.43		75.00		3.77
4 (44°C)	2.21	2.20	64.61	64.42	67.21	67.01	69.14	69.14	4.16	4.16	1.96
	2.20		64.54		67.11		69.14		4.15
	2.20		64.13		66.72		69.14		4.15
5 (48°C)	2.24	2.25	62.69	62.71	66.52	65.53	64.45	64.45	4.14	4.14	1.45
	2.26		62.76		65.56		64.45		4.14
	2.26		62.67		65.50		64.45		4.15
6 (53°C)	—		—		—		—		—		<1