Research Article
Systematic Performance Evaluation of Shield TBM Cutters for Excavating Multiple Soft Rock
Table 5
Profile analysis for the performance parameters across all the specimens (nondimensional data).
| | | Mean | SD | PPI | | C1 | C2 | C3 | C1 | C2 | C3 | C1 | C2 | C3 |
| | SE | 3.43 | 5.03 | 5.33 | 2.22 | 3.25 | 3.03 | 2.42 | 3.11 | 4.25 | | CC | 3.56 | 4.86 | 7.56 | 1.85 | 1.65 | 1.33 | 2.66 | 4.41 | 7.41 | | 7.71 | 6.79 | 7.67 | 0.75 | 0.94 | 0.88 | 7.66 | 6.71 | 7.60 | | σmax | 9.26 | 5.30 | 5.08 | 1.28 | 4.04 | 4.16 | 9.13 | 2.59 | 1.98 | | 5.68 | 5.65 | 5.26 | 3.56 | 3.92 | 4.19 | 4.48 | 3.48 | 2.42 |
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