Table 8 The feature value of 1# cross section.

From: The risk assessment of rockburst intensity in the highway tunnel based on the variable fuzzy sets theory

Sample number

Ranking feature value

Mean value

\(k = 1,l = 1\)

\(k = 1,l = 2\)

\(k = 2,l = 1\)

\(k = 2,l = 2\)

1

2.1181

2.1001

2.0253

1.9896

2.0583