An Improved Model of Variable Fuzzy Sets with Normal Membership Function for Crane Safety Evaluation

Table 1

Measured values of evaluation indicators.

Samples	Rock mass quality C1	Uniaxial compressive strength C2 (MPa)	Integrality degree of rock mass C3	Groundwater percolation capacity C4 (L/(min·10 m))	Joint C5
1	0.12	185.5	0.89	6	8
2	0.27	176.4	0.80	8	7
3	0.08	158.2	0.94	6	7
4	0.04	201.1	0.97	5	9
5	0.24	181.9	0.92	9	8