Research Article
Adaptability of the Cutter-Head of the Earth Pressure Balance (EPB) Shield Machine in Water-Rich Sandy and Cobble Strata: A Case Study
Table 1
Main working parameters of the three types of EPB shield machines.
| | EPB type | Cutter-head | Opening ratio (%) | Diameter (m) | Nominal torque (kNm) | Maximum torque (kNm) | Maximum thrust (kN) | Driving power (kW) |
| | EPB1 | Face and plate | 28 | 6.28 | 6850 | 9320 | 42 000 | 1200 | | EPB2 | Face and plate | 32 | 6.28 | 6048 | 8687 | 34 000 | 945 | | EPB3 | Face and plate | 30 | 6.28 | 5380 | 7430 | 31 651 | 945 |
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