Project Overview
In order to cooperate with the construction of the subway station, the pipeline needs to be permanently relocated to the east side of the current sewage. The 1.6×1.6 single hole digging is 500m in length and the cost is about 10 million yuan.
Initial lining construction
| Earth excavation |
Steel arch, mesh | Shotcrete |
Waterproof construction
waterproof | waterproof |
Secondary lining construction
template |
|
Rebar | Rebar |