River Lee Crossing N21

Project Bridge over river / under dual carriageway
Client Kerry County Council
Stage Complete
Description Design and construction of bridge over a river and support dual carriageway.

Fact File

Structure Matière Opti Cadre 8.5m x 4.8m
Span 8.5m (internal)
Height 4.8m (internal)
Length 20m (8 units @ 2.5m)

Requirements

  • Installation close to live river (River Lee)
  • Bridge to support dual carriageway
  • Backfill earth to be prevented from entering river.

Solution

  • Matière Opti Cadre 8.5m x 4.8m comprising of precast wing walls.
  • ABMs unique installation process allowed the structure to be installed close to a live river
  • ABM Precast wing walls were used to stop earth backfill entering the river

The Matiére system was originally developed in France for hydraulic structures in the 1980‘s, since then the system has been developed into a modular range of arch, box and portal frames for a wide range of transport and infrastucture applications. Indeed, some 10,000 structures already exsist worldwide exploiting soil structure interaction to minimise section sizes and allow rapid, cost effective on-site installation with precast units.

ABM hold the licence for the Matiére system in the UK and Ireland.

Click here to view a YouTube video of how ABM construct a bridge in 3 days

 

 
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Sean Minihane
Brendan O'Neill

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