Evaluation and Application of Surrounding Rock Stability Based on the Improved Weighting Multidimensional Cloud Model

Table 2

Some site surrounding rock samples and index values.

Sample	UCS (MPa)	Jv (m)	Kv	P (MPa)	BQ (MPa)
	46.3	18	0.49	0.3	353
	46	21	0.33	0.12	311
	50.41	25	0.27	0.15	308
	39.2	27	0.28	0.43	271