Failure Mechanism and Control Technology of Thick and Soft Coal Fully Mechanized Caving Roadway under Double Gobs in Close Coal Seams

Table 2

Cap pressures used in the double yield model.

Strain	Stress (MPa)
0.02	0.26
0.04	0.53
0.06	0.81
0.08	1.08
0.10	1.60
0.12	2.09
0.14	3.45
0.16	4.81
0.18	6.38
0.20	8.68
0.22	13.30
0.24	23.14