A New Mining Scheme for Hanging-Wall Ore-Body during the Transition from Open Pit to Underground Mining: A Numerical Study

Table 1

Rock joint and block number information in the six models.

Model index	Dip angle α of (degree)	Joint spacing of , (m)	Block number
J1	50	5.0, 3.8	3116
J2	70	5.0, 4.7	3090
J3	90	5.0, 5.0	3077
J4	110	5.0, 4.7	3089
J5	130	5.0, 3.8	3099
J6	150	5.0, 2.5	3120