Study on Numerical Simulation of Geometric Elements of Blasting Funnel Based on PFC5.0

Table 3

Main blasting effect parameter by numerical simulation.

Serial number	Blasting particle depth (m)	Blasting funnel depth (m)	Blasting funnel radius (m)	Funnel section area (m^2)	Number of blocks	Crushing index δ × 10^4
1	0.1	0.15	0.36	0.05	149	0.28
2	0.2	0.28	0.76	0.18	278	0.15
3	0.3	0.37	0.55	0.20	745	0.37
4	0.4	0.46	1.19	0.55	1168	0.21
5	0.5	0.58	1.35	0.78	1303	0.17
6	0.6	0.68	1.26	0.86	1524	0.18
7	0.7	0.84	1.18	0.99	2060	0.24
8	0.8	0.89	1.01	0.90	1879	0.21
9	0.9	1.1	0.99	0.90	1689	0.16
10	1.0	1.08	0.73	0.79	1420	0.18
11	1.1	0	0	0	1150	0
12	1.2	0	0	0	1020	0
13	1.4	0	0	0	969	0
14	1.6	0	0	0	896	0
15	1.8	0	0	0	707	0