Experimental Study on the Fracture Evolution Processof Rock-like Specimens Containing a Closed RoughJoint Based on 3D-Printing Technology

Table 2

Size and basic setup of specimens and closed rough joint.

No.	d (mm)	h (mm)	Inclination α (°)	Joint length l (mm)	Joint width (mm)	/l
T30-1	50.24	100.21	30	40.0	30.0	0.75
T30-2	50.37	100.10	30	40.0	30.0	0.75
T45-1	50.38	98.33	45	40.0	30.0	0.75
T45-2	50.58	98.83	45	40.0	30.0	0.75
T60-1	50.16	100.43	60	40.0	30.0	0.75
T60-2	50.50	100.23	60	40.0	30.0	0.75
T90-1	49.99	100.17	90	40.0	30.0	0.75
T90-2	50.32	99.73	90	40.0	30.0	0.75
S1-1	49.92	97.29	60	20.0	15.0	0.75
S1-2	50.44	100.74	60	20.0	15.0	0.75
S2-1	50.52	100.00	60	27.1	20.3	0.75
S2-2	50.40	98.92	60	27.1	20.3	0.75
S3-1	49.65	100.00	60	30.6	22.9	0.75
S3-2	50.32	98.56	60	30.6	22.9	0.75
S4-1	50.52	98.77	60	35.6	26.7	0.75
S4-2	50.49	97.42	60	35.6	26.7	0.75

d: diameter of specimen; h: height of specimen.