China Railway Engineering Equipment Group Co - CITYRINGEN - Branch off to Sydhavnen CRSH1 of Copenhagen, Denmark

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CITYRINGEN - Branch off to Sydhavnen CRSH1 of Copenhagen, De

Introduction： These two 5.81m diameter EPB TBM were designed and manufactured by CREG for the CITYRINGEN - Branch off to Sydhavnen CRSH1 project of Copenhagen.

Project Facts

Product Facts

The project is a two-hole two-lane tunnel with a total length of 4.3 kilometers. Two EPB TBMs with a diameter of 5.81m are used for tunnel excavation. The CITYRINGEN Metro Circle Line connects the southern seaport area of Copenhagen, the emerging urban development area and other urban areas. Its construction can greatly improve the public transportation in Copenhagen.

Machine Specification

Machine Specification

Excavation diameter: 5,810 mm

Total length of machine: approx. 143 m

Total weight of machine: approx. 625 t

Drive power: 1,500 kW

Nominal torque: 4,396 kN∙m

Max. torque: 5,275 kN∙m

Rotation speed: 0-7.24 rpm

Max. advance speed: 80 mm/min

Geological Features

Geological Features

Limestone, Copenhagen limestone and Bryozene limestone.