Evaluation Method of Floor Heave Damage Degree and a Case Study in Zaoquan Coal Mine, China

Table 7

Weight table of the classification index for measured value of floor heave damage degree of No. 130203 roadway in the Zaoquan coal mine.

Category	Index
	D (%)	V (m·s^−1)	P (m)		Rc (MPa)
Measured value Ci	732	2383	5	2.27	13.56
Critical value average C0i	480	4200	7	6	34
Weight value Wi	1.525	0.567	0.714	0.378	0.399
Normalized weight coefficient	0.43	0.16	0.20	0.11	0.11