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

Table 4

Comparison of principal stress variation with depth between Guotun and other mines.

σH	σh		Mine	Source
0.0453H + 14.419 (R^2 = 0.90182)	0.0278H + 19.685 (R^2 = 0.92271)	0.0293H + 15.077 (R^2= 0.91381)	Guotun	This paper
0.0384H + 4.78 (R^2 = 0.7918)	0.0276H + 4.34 (R^2 = 0.8960)	–	Zhaolou	Chen et al. [21]
0.3256H − 235.299 (R^2 = 0.9503)	0.1250H − 84.191 (R^2 = 0.8121)	0.2256H − 161.199 (R^2= 0.9942)	Yuncheng	Peng et al. [22]