Fig. 5

Scatter density plot of various parameters and excavation speed, (a) penetration, (b) Total propulsion, (c) Cutter speed, (d) Cutter torque, (e) Water inflow.

Scatter density plot of various parameters and excavation speed, (a) penetration, (b) Total propulsion, (c) Cutter speed, (d) Cutter torque, (e) Water inflow.