A Numerical Study of Underground Cavern Stability by Geostress Characteristics

Table 6

Fitting parameters in (12).

Burial depth	Rock type
	I			II
	400 m	500 m	600 m	400 m	600 m
	−0.142	−0.705	−0.373	−0.485	−3.617
	2.327	2.707	2.533	2.825	3.94
	0.259	0.228	0.21	0.091	0.25
	0.18	0.18	0.18	0.07	0.07