More than 100 knife to tackle the "hard bones" Wuhan under the South Lake sewage tunnel through

Recently, wuhan Hydrangshan sewage pumping station and water inlet and outlet pipeline project have been successfully completed through Nanhu Tunnel. The main body and supporting facilities are expected to be completed by the end of June 2021, which will improve the sewage collection system in the southern area of Nanhu in Wuhan.

The project is located in the north of Nanhu Avenue, Wuhan City. The newly built sewage inlet pipe is connected out through the inlet well of minyuan sewage pumping station beside Minzu Avenue. Meanwhile, the sewage from Nanhu Avenue is collected and fed into the inlet main pipe of the newly built Hydrangshan sewage pumping station to enter the Hydrangshan sewage pumping station.

As they crossed the Lake, the construction team encountered a complex layer of soil. Pipe jacking propulsion, meet the silty clay, gravel, breccia, rock and other 16 kinds of soil, hard soft, in order to "move" the "crack", the project department specializes in custom made a slurry balance pipe jacking "south lake no.", using composite cutter head, cutter were installed on the blade, shell knife, hob for five hundreds knife, midway through the two tool change, "stone hit stone, the cut mud mud", only is completed through a tunnel.

It is understood that the smooth completion of the tunnel through the South Lake has laid a good foundation for the completion of the whole project by the end of June next year. After the completion of the project, it will improve the sewage collection system in the southern area of Nanhu And play a significant role in improving the regional water environment.