Phenomenon and Critical Conditions of Chamber Soil Sliming during EPB Shield Tunneling in Water-Rich Weathered Diorite: Case Study of Jinan Metro, China
Table 1
Basic parameters of shield machine.
Name
Parameter
Unit
Model
CTE6650H-0945
Project name
Jinan Metro line R2
Segment (OD/ID, width)
Ф 6,400/5,800, ∼1,200
mm
Excavation diameter
Ф 6,680
mm
Cutter speed
0∼3.15
rpm
Maximum excavating speed
≈80
mm/min
Maximum thrust
4,255
T
Total length of shield
≈85
m
Total length of main machine (excluding cutter head)
