Rock Mass Blastability Classification Using Fuzzy Pattern Recognition and the Combination Weight Method

Table 3

Rock mass blastability classification index values.

Rock mass
	(MPa)		(t/m^3)		(10^6 kg//s)
Mudstone	2.19	2.76	2.68	0.12	10.03
Fine sandstone	2.72	4.36	2.41	0.09	7.77
Medium sandstone	2.26	2.73	2.36	0.17	6.43
Coarse sandstone	1.50	2.43	2.23	0.11	5.26