- It has advanced and reliable cutter head design and ballast soil improvement system;
- With reliable main bearing, main drive seal and main drive reducer, it has long service life and high safety factor.
Starting date: 3 May 2019
Exit time: August 20, 2019
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Shield Construction Information Table |
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Serial number |
Name of device |
Specification type |
Exit time |
Cumulative Driving Mileage (m) |
Projected Driving Mileage (m) in this Contract |
Interval range |
Entry time |
|
1 |
Earth Pressure Balanced Shield Machine |
XRE6650e |
2019.03.10 |
New machine |
1178.873 |
Pingli-Jishuitan Station |
2019.03.18 |
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List of Main Parameters |
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|
Serial number |
|
Parameter list |
Unit |
Remarks |
|
1 |
Use projects |
|
|
|
|
|
Branch name |
Bid 4 of Beijing Metro Line 19 |
|
|
|
|
Interval mileage |
1178.873 |
m |
|
|
|
Main geological conditions |
Pebble, silty clay |
|
|
|
|
Project segment specifications (outer diameter/inner diameter-width/indexing) |
Φ6400/5800～1200/1500/22.5° |
mm |
|
|
|
Minimum curve radius |
360 |
m |
|
|
2 |
Complete machine |
|
|
|
|
|
Model |
XRE6650e |
|
|
|
|
Excavation diameter |
Φ6680 |
mm |
|
|
|
Turning speed of cutter head |
0～3.4 |
rpm |
|
|
|
Maximum propulsion velocity |
80 |
mm/min |
|
|
|
Maximum thrust |
4070 |
T |
|
|
|
Chief engineer |
≈84 |
m |
|
|
|
Total length of main engine (excluding cutter head) |
8385 |
mm |
|
|
|
Total weight (Host + Post matching) |
≈515 |
T |
|
|
|
Applicable segment specifications (outer diameter/inner diameter-width/indexing) |
Φ6400/5800～1200/1500/22.5° |
mm |
|
|
|
Maximum design pressure |
5 |
bar |
|
|
|
Installed power |
2083 |
kW |
|
|
|
Horizontal turning radius |
200 |
m |
|
|
|
Longitudinal climbing ability |
±50 |
‰ |
|
