Research Article
Evaluation of the Adaptability of an EPB TBM to Tunnelling through Highly Variable Composite Strata
Table 1
Method for assigning values to elements aij in the judgment matrix A.
| | Value assignment basis | aij |
| | Ui and Uj are equally important | 1 | | Ui is slightly more important than Uj | 3 | | Ui is obviously more important than Uj | 5 | | Ui is definitely more important than Uj | 7 | | Ui is extremely more important than Uj | 9 | | Intermediate judgment for the above pairs | 2, 4, 6, and 8 |
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