A Novel Model of Set Pair Analysis Coupled with Extenics for Evaluation of Surrounding Rock Stability

Table 3

Results of case study and comparison.

Samples

Integrated connectional membership degree

Proposed model

Basic quality grading method

Variable fuzzy set method [34]

Triangular fuzzy number method [16]

1

−0.0844

0.3383

−0.7903

−1.0000

−1.0000

II

II

II

II

2

−0.5669

0.1899

−0.5298

−0.9679

−1.0000

II

II

II

II

3

−0.1752

0.0859

−0.8778

−1.0000

−1.0000

II

II

II

II

4

0.2320

−0.2744

−1.0000

−1.0000

−1.0000

I

I

I

I

5

−0.4351

0.3030

−0.4721

−1.0000

−1.0000

II

II

II

II