Table 9 The assessment values at 5 cross sections.

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

2

3.9657

3.8913

3.9626

3.8621

3.9204

3

3.9296

3.8755

3.9166

3.8496

3.8928

4

2.9527

2.9677

2.9486

2.9628

2.9579

5

3.0201

2.9868

3.1236

3.1323

3.0657