Joint Investigation and 3D Visual Evaluation of Rock Mass Quality

Table 1

Engineering factors affecting rock mass strength.

Photo ID	Date of the photo	Tunnel strike (°)	Dominant joint 1			Dominant joint 2			Dominant joint 3			Structural plane condition	Groundwater condition	Photo site location
			Joint strike (°)	Joint orientation (°)	Joint inclination (°)	Joint strike (°)	Joint orientation (°)	Joint inclination (°)	Joint strike (°)	Joint orientation (°)	Joint inclination (°)			x	y	z
	190516	169	332	54	82	336	64	82	325	64	88	C	B	531030	3433204	−540
	190504	50	176	264	64	176	255	62	170	260	73	B	B	531038	3433206	−540
	190504	170	80	170	61	270	352	65	252	350	57	B	B	531053	3433182	−540
	190702	159	87	354	48	10	344	44	37	358	50	B	B	530948	3433215	−540
	190709	169	169	259	80	170	260	82	173	152	75	B	B	530787	3432805	−508
	190709	133	31	114	82	32	116	90	30	112	74	B	B	531012	3432799	−508
	190709	133	133	223	45	135	250	42	130	212	41	C	B	530994	3432822	−508