Experimental Research on Material and Mechanical Properties of Rock-Like Filling Materials in Disaster Prevention of Underground Engineering

Table 4

Judgment matrix of filling stability.

Factor	Evaluation matrix					Index weight
	E1	E2	E3	E4	E5
Strength of filling body	0.15	0.06	0.24	0.8	0.15	0.5128
Compactness of filling body	0	0	0.6	0.5	0.28	0.2755
Cementation of filling body	0.04	0.08	0.6	0.38	0.040	0.0740
Top connection rate of filling body	0.46	0.06	0.28	0.25	0.08	0.1377