Collaborative Control Technology of Crosscut Floor Heave in Soft Rocks under Deep High Horizontal Stress

Table 1

Measured results of field stress.

Measurement station	Principal stress	Measured results (MPa)	Inclination angle (°)	Azimuth angle (°)
^#1	σ1	33.90	25.3°	183.5°
	σ2	15.36	64.7°	0.8°
	σ3	12.73	1.1°	93.0°
		18.76
^#2	σ1	35.82	20.5°	114.3°
	σ2	20.38	67.5°	320.3°
	σ3	18.39	9.1°	207.7°
		20.99
^#3	σ1	36.11	11.5°	103.5°
	σ2	19.13	77.7°	263.4°
	σ3	18.07	4.1°	12.7°
		19.80