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

Table 2

The overrun rate of supports working resistance during periodic pressure.

Support number	pi (kN) (i is the support number)	Mean square deviation (kN)	pi/ri (%) (i is the support number)	pi/P19 (% ) (i is the support number)	pi/P174 (%) (i is the support number)
49#	7024.75	1565.27	100	81.40	81.40∼89.00
61#	7471	1656.	94.37	86.70	86.70∼94.66
62#	10094.7	631.15	99.17	117.05	117.05∼127.90
64#	8972.90	882.82	97.81	104.05	104.05∼113.68
67#	8859.67	825.4	99.31	102.74	102.74∼112.25
68#	9693.33	990.09	99.53	112.4	112.4∼122.81
84#	7477.00	1290.32	86.23	86.69	86.69∼94.73
85#	9042.54	975.3	100	104.85	104.85∼114.57
86#	7903.10	1133.82	100	91.64	91.64∼100.13
88#	8506	989.08	92.73	98.63	98.63∼107.77
89#	9592	867.09	97.87	111.22	111.22∼121.53
91#	9291.69	957	97.29	107.74	107.74∼117.72
108#	9955	912.7	97.81	115.43	115.43∼126.13
111#	8342	1359.78	85.11	96.73	96.73∼105.69
118#	6509	2315	100	75.48	75.48∼82.47
120#	8997	1374.65	99.44	104.33	104.33∼113.99
129#	9034.4	1117.15	97.15	104.76	104.76∼114.46
Average	8692	1167	96.70	100.79	100.79∼110.13