Multifactor Evaluation of Multiple Service Support and Optimization of Working Resistance of New Support Based on Dynamic Pressure

Table 7

Ratio of end cycle resistance exceeding 5 resistance values for 6 key supports.

	Resistance of support (kN)	Ratio type	Overrun ratio (%)						Average overrun ratio (%)
			62#	64#	67#	89#	108#	120#
1	p = 10500	A1	5.55	0	0	1.71	0	0	1.21
		A2	13.95	0	0	3.29	0	0	2.87
2	p' = 9300	A1	37.60	2.14	6.41	25.32	28.76	4.27	17.42
		A2	86.05	5.55	19.23	40.66	63.33	9.89	37.45
3	= 9412	A1	37.60	0.42	2.56	24.89	28.33	1.28	15.85
		A2	86.05	1.38	7.69	40.66	62.22	3.30	33.55
4	= 10327	A1	23.93	0	0	6.01	3.43	0	5.56
		A2	60.47	0	0	12.09	7.78	0	13.39
5	= 12157	A1	0	0	0	0	0	0	0.00
		A2	0	0	0	0	0	0	0.00
Number of statistical cycles		n	86	72	78	91	90	91	84.67
		N	234	233	233	234	233	234	233.50