Experimental Study on the Soil Conditioning Materials for EPB Shield Tunneling in Silty Sand

Table 9

Tunneling parameters of cutter head.

Mode	EPB
Diameter	6260 mm
Open ratio	50%
Rated torque	7206 kN m
Total thrust	40000 kN
Soil pressure	0.16–0.22 MPa
Advance speed	30 mm/min
Rotating speed	1 r/min