Back-Analysis of Parameters of Jointed Surrounding Rock of Metro Station Based on Random Forest Algorithm Optimized by Cuckoo Search Algorithm

Table 1

Range of joint parameters.

Sample no.	Jcoh (MP)	Jdila (°)	Jfric (°)	Jten (MPa)	Jdd (°)	Jdip (°)
1	0.12	15	10	0.03	186	27
2	0.22	20	15	0.05	176	25
3	0.32	25	20	0.07	166	23
4	0.42	30	25	0.09	156	21
5	0.52	35	30	0.11	146	19