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Con/Span

Concrete Bridge systems

Precast structures, ideal for buried bridges and pedestrian tunnels

CON/SPAN structures are made of precast concrete elements and mostly used for buried bridge systems. They are known for their optimized arch shape that provides the ideal blend of the concrete usage and structural capacity. The structures are easily assembled on the spot and can be customized for a wide scope of applications.

Contact us

Sales representative
+558 2566 587

Sales representative
+558 2566 587

Features and Benefits

Fast and simple installation
 

The structures have set-in-place construction requiring no formwork or scaffolding. Around 10-15 elements (12 meters) can be assembled every day. A bridge of 20-25 meters including aligning system can be finished in 2-4 weeks instead of 2-4 months for the cast-on-site bridges.

 
Reduced maintenance costs
 

There are no joints at the deck/roadway interface, which lowers life cycle costs as they would usually need to be replaced every 30 years. The expected service life of CON/SPAN is about 120 years.

Optimal shape

The combination of the cross section and the box shape ensures structural efficiency. The box-arch geometry is much better for the water flow and clearance box.

Customizable design
 

Besides the basic bridge elements, optional additions are available, such as precast footings, headwalls or wingwalls.

Environmentally friendly

The material used for backfilling is natural, so you can use e.g., gravel from the site and do not need to transport anything. Besides, a clear span and three-sided structures use the stream’s natural bedrock as their foundation, allowing the fish to move upstream freely. 

Minimal social disturbance

The quick installation process eliminates the need to close the roads. It results in fewer accidents and minimal negative impact on the traffic flow and on the environment.

Applications
  • Bridges

  • Overpasses

  • Pedestrian tunnels

  • Ecological crossings

  • Underpasses

  • Tunnels

Properties
  • Span: from 4 m to 20 m

  • Height: 1-4 m

  • Load capacity: can withstand any live load classes

  • Material: reinforced concrete

  • Shape: box-arch

  • Design: possible to design according to the euro code

  • Certification: EN 1991-2

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