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Malmö City Tunnel

ith the two PERI formwork carriages, the 15 m long casting segments are constructed very efficiently. Hydraulically-operated raise and lowering equipment ensure time and cost-saving moving procedures. The PERI construction can be continuously adapted to the varying cross-sectional dimensions.
The PERI tunnel formwork solution allows construction of the Malmö city tunnel in 10-day cycles. Bottom plate and external walls can be completed in one operational sequence – the tunnel slab is subsequently constructed using two PERI slab formwork carriages.
The variable PERI VARIO GT 24 girder wall formwork can be positioned exactly by means of the formwork carriage. The procedure is carried out by heavy-duty rollers on rails, on the concrete sub-base at the front and on the finished bottom plate at the rear.
The southern entrance area is being constructed using the cut-and-cover method for a length of around 1.5 kilometres. With the two PERI formwork carriages, the walls and slabs of the two separate tunnels can be cost-effectively concreted in one pour.

General Information

Structural Type: Tunnel
Function / usage: Railroad (railway) tunnel
Construction method: Tunnel boring machine (TBM)
Cut-and-cover method
Built: 2005 - 2010
Duration of works: 52 months
Status: in use

Geographic Information & Related Structures

Location: Malmö, Skåne län, Sweden, Europe
Part of:
Connects to Malmö Central Station Extension (2010)
Triangeln Station (2010)

Technical Information

Dimensions

tunnel length 4 650 m
length of bored tunnels 4 650 m
length of cut-and-cover section 360 m
number of tubes 2
tube interior diameter 7.90 m
excavation diameter 8.95 m
exterior diameter 8.60 m

Chronology

4 December 2010

Inauguration by King Carl Gustaf.

Notes

Two EPB (earth pressure balance) tunneling machines are used in construction.

Participants

Structural engineering
Co-contractor
Subcontractor
Material supplier
Formwork

Relevant Web Sites

Relevant Publications

Internal Information

Structure-ID: s0017494
Created: 22/08/2005
Last Updated: 05/03/2013