Deflection Mechanism and Safety Analysis of Coal Mine Shaft in Deep Soil Strata

Table 3

Corresponding parameter values in Guotun Coal Mine.

i	Face name	Main shaft		Auxiliary shaft		Start date (year. month)	End data (year. month)	Hi (m)	mi (m)	φi (°)	si (m)	li (m)
		xi (m)	yi (m)	xi (m)	yi (m)
1	1301	2525	692	2445	737	2010.11	2013.01	840	3.17	335	227	1768
2	1302	810	950	855	1030	2010.01	2010.07	780	2.80	178	200	490
3	1303	2535	937	2455	978	2012.06	2015.06	845	2.99	335	230	1675
							2015.08					1695
4	1304	785	1378	826	1460	2010.08	2011.03	770	3.20	202	150	870
5	1305	2531	1194	2451	1236	2013.09	2015.06	820	3.41	335	245	985
							2016.08					1250
6	1306	942	1913	1016	1968	2015.07	2015.12	745	2.80	208	110	460
7	1307	2836	1445	2816	1490	2016.04	2017.08	770	3.30	335	240	2100
8	1308	1280	1385	1330	1462	2011.07	2012.03	740	3.08	168	157	888
9	1309	2868	1630	2039	1708	2017.08	2018.07	700	3.30	335	170	1200
10	1310	796	2065	836	2148	2012.12	2013.08	730	3.20	198	190	790
11	1311	2060	349	2136	297	2017.04	2017.07	785	3.10	105	136	266
12	1312-1	655	2313	677	2402	2014.03	2014.06	730	3.00	208	130	640
13	1312-2	934	2137	981	2216	2014.07	2015.05	735	3.00	188	130	1340
14	1314	957	2499	311	2731	2017.12	2018.07	710	2.60	189	199	690
15	1315	1090	1605	1177	1635	2016.07	2016.09	740	3.10	169	110	360