A46 Farndon Cycleway Underpass

Project Matiere Opti Cadre
Client Highways Agency
Stage Complete
Description Design and construction of arch over stream

Fact File

Structure Matière Opti Cadre 5.5m x 2.9m sectional precast concrete box
Span 5.5m (internal)
Height 2.9m (internal)
Length 2.9m (internal)

Requirements

  • Box structure with Wing Walls and sloped Edge Beams
  • Accommodate cycle path.
  • Road to remain live.
  • Minimal impact to surrounding area.

Solution

  • ABM design allowed the A46 road to remain open during installation.
  • Installation took place in two phases to allow A46 remain live.
  • ABM design eliminates the need for substantial foundations.

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

 
Key Personnel

Main Board Directors
Pat O'Neill
Sean Minihane
Brendan O'Neill

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