Fig. 7

Comparison diagram of cumulative grading curve of particles before and after the test for different FC0: (a) FC0 = 0%, (b) FC0 = 4%, (c) FC0 = 8%, (d) FC0 = 12%, (e) FC0 = 15%.

Comparison diagram of cumulative grading curve of particles before and after the test for different FC0: (a) FC0 = 0%, (b) FC0 = 4%, (c) FC0 = 8%, (d) FC0 = 12%, (e) FC0 = 15%.