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Projecten

Tunnel Limerick, Ireland

Tunnel Limerick, Ireland - Tunnel formwork carriage on the basis of the VARIOKIT civil engineering construction kit for the six additional concreting sections at the southern portal carried out parallel to the construction of the main tunnel elements.
Tunnel Limerick, Ireland - Five tunnel elements - each 100 m long – were pre-fabricated in the dry dock with help of the PERI tunnel formwork carriage.
Tunnel Limerick, Ireland - PERI engineers developed two customized special carriages which allowed the construction of the 28 concreting sections, each 20 m long, in regular six-day cycles.
Tunnel Limerick, Ireland - The PERI formwork solution took into consideration two different sealing versions for the element and casting joints in the stopend formwork.
Tunnel Limerick, Ireland - Aerial view of the dry dock which is located to the north of the Shannon, for the pre-fabrication of the five 100-metre long tunnel elements. (Photo: DirectRoute Ltd.)
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Info projecten

Ligging: Limerick, Ierland

Fabrication as immersed-type tunnel with 5 tunnel elements of a length of 100 m each, ramp sections in open, partly monolithic construction.

  • structure: dual tube, each tube with a clear width of about 10m and a height of about 6m
  • length: 675 m
  • number of lanes: 2 for each direction
  • construction period: 2006 - 2010

Vereisten

  • pouring in weekly cycles
  • optimisation of tie points to ensure tightness of the tunnel

Klant

Limerick Southern Ring Road DirectRoute (Limerick) Construction Ltd.;
Strabag International GmbH, Linz, Austria (concreting and installation work)

Voordeel klant

  • fast shuttering and striking as well as moving of the formwork carriage thanks to customised special design with hydraulics installation
  • reduction of tie points through optimised areas of influence
Tunnel Limerick: Hannes Mauracher, Construction Manager
Hannes Mauracher
Construction Manager

PERI offered us the best technical design and the most cost-effective solution. What we were able to achieve with the formwork carriage was more than satisfying. This helped us to pour the segments in a weekly cycle. What qualifies our formwork partner even more is the fact that the technical support was always able to provide us with the right solution in case of questions of detail.

PERI oplossing

  • formwork carriage scaffolding as special steel structure design in connection with VARIO GT 24 for the immersed-type tunnel, all-in-all 28 pouring sections with a length of 20 m
  • formwork carriage scaffolding with VARIOKIT system in connection with VARIO GT 24 for the entry and exit ramps

PERI systemen ter plaatse