Korea Installation of the Nakdonggang River Crossing Water Pipeline of Vertical District and Shield TBM Tunnel Construction

Summary

To improve the difficulty of dealing with large-scale water supply due to emergency accidents such as leakage and pipe rupture at the Nakdonggang River crossing water pipe bridge, it is a construction project to build a Slurry type across the Nakdonggang River from Daejeo-dong to Samrak-dong, Busan. The site of the cross-section water pipe bridge is 798.75m (sand, silt) of shield excavation, and the construction scale of two vertical holes.

  • Begin 2020.07

    Client Office of Waterworks Busan Metropolitan Government

  • Location Busan, Republic of Korea

    Explanation Total excavation extension: L = 798.75 m (1 Slurry TBM)
      - Excavation diameter: D=3,400 mm
    Construction of vertical sphere
      - Starting vertical section Φ10.5 x 45.4 m
      - Reach Vertical Outlet Φ8.0 x 42.9 m

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