Table 2. Fracture Initiation Pressure and Initiation Angle under Different Bedding Angles.

bedding angle β*/(°)	initiation pressure PW* (MPa)	initiation angle θ*/(°)	bedding angle β*/(°)	initiation pressure PW* (MPa)	initiation angle θ*/(°)
0	17.34	90	105	13.83	91.2
15	17.07	88.5	120	14.47	92.2
30	16.33	87.6	135	15.38	92.7
45	15.38	87.3	150	16.33	92.4
60	14.47	87.8	165	17.07	91.5
75	13.83	88.8	180	17.34	90
90	13.60	90