Construction Example of
Outer Cylinder Left-Behind Type
(Narrow Shaft, Two Simultaneously Operating,
Staging, Sudden Curve, Manhole Reaching)
φ1200 pipe-jacking diagram(No. 4 to existing manhole)
Material list
| Name | Length (m/m) | Quantity | Remarks |
|---|---|---|---|
| Jc MAX53 synthetic pipe | 600 | 152 | |
| ENW51 half pipe | 1,200 | 64 | |
| ENW52 half pipe | 1,200 | 15 | |
| E51 half pipe | 1,200 | 3 | |
| Total | 234 |
Makeshift figure of simultaneous launching shaft 1/100
