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Nanning DN2800 Sewage Pipeline Project, China
Introduction: This project, located at Longgang Area, Wuxiang New District, Nanning, Guangxi Province, China, consists of 2 lots with lengths of 2.38Km and 1.13Km respectively (overburden 12-17m, boring diameter 3,430mm, and pipe diameter 2,800mm).

Project Facts

Product Facts

This project, located at Longgang Area, Wuxiang New District, Nanning, Guangxi Province, China, consists of 2 lots with lengths of 2.38Km and 1.13Km respectively (overburden 12-17m, boring diameter 3,430mm, and pipe diameter 2,800mm). Main geology therein is mixed ground with red clay and limestone (UCS 32Mpa) with presence of pore groundwater and bedrock fissure water.


Machine Specification

Machine Specification

Tunnel length: 3,510 m

Excavation diameter: 3,430 mm 

Main drive power: 315 kW

Best weekly performance: 15 m/day

Total Thrust: 25,000 kN

Maximum Torque: 1,200 kNm

Cutterhead Drive: Hydraulic

Cutterhead Power: 315 kW

Cutterhead Rotation: 0-6 rpm 


Geological Features

Geological Features

Mixed ground with red clay and limestone (UCS 32Mpa) with presence of pore groundwater and bedrock fissure water.