Table 2 Evaluation of cutterhead slagging performance
From: A New System to Evaluate Comprehensive Performance of Hard-Rock Tunnel Boring Machine Cutterheads
TBM cutterhead performance index | CRCC scheme | Robbins scheme |
Slagging ability | ||
 Slagging continuity index | 0.153 | 0.125 |
 Slagging stability index | 0.883 | 0.617 |