Distribution Law of In Situ Stress and Its Engineering Application in Gateroad Maintenance: A Case Study

Table 1

List of main structures of Guotun coal mine.

Number	Name of the geological structure	Extension length (m)	Fault occurrence/Range (m)
			Fault throw	Dip	Dip angle
1	Tianqiao fault	7.5	>500 m	East	70°
2	Balizhuang fault	12	0∼150 m	West	70°
3	Balihe fault	10	0∼150 m	West	70°
4	Dongdong fault	6.5	0∼40 m	East	70°
5	Xiangyang fault	4.5	0∼150 m	West	70°
6	Houying fault	3	170 m	West	70°
7	Dingguantun anticline	15	2∼150 m
8	Balihe anticline	15	20∼80 m
9	Dinglichang syncline	15	20∼240 m
10	Guotun syncline	15	50∼300 m