July 09, 2014
Prototype and site operation of XCMG shield machine
Prototype and site operation of XCMG shield machine
| Item
|
Unit
|
φ6.45m composite EPB shield machine
|
φ6.39m composite EPB shield machine
|
| Parameters
|
|||
| Boring diameter
|
mm
|
6440
|
6390
|
| Segment outer diameter/length
|
mm/mm
|
6200 /1500
|
6200 /1500
|
| Overall length
|
m
|
80
|
74
|
| Total weight
|
t
|
475
|
408
|
| Min. turning radius
|
m
|
250
|
250
|
| Final drive mode/power
|
KW
|
Hydraulic/945KW
|
Electric/675KW
|
| Total thrust
|
KN
|
42575
|
42575
|
| Final drive rated torque
|
KN/m
|
5538
|
4616
|
| Breakout torque
|
KN/m
|
6621
|
6000
|
| Cutterhead rotation speed
|
rpm
|
0 – 4.5
|
0 – 1.5
|
| Geological condition
|
Soil containing clay, sludge and some weathered granites, where the soft layer is over the hard layer, and the groundwater depth is 0.5-4m
|
Soil containing pebbles, gravels, sandstones, siltstone, clay, sludge and decomposed stones etc.
|
|
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