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Box Culvert

Versatile and agile option for the execution of rectangular sections

Formwork system for false tunnels, which allows easy stripping and movement between fillings, increasing the concreting cycle rate. Special pieces that allow stripping using just bolts.

JUNIOR - horizontales 1

Are you looking for a solution for your slabs? Contact us to discuss further!





  • Versatile system with which various rectangular sections can be made, including chamfers at its upper part.
  • 95% of its parts are standard Alsina systems.
  • Easy movement between fillings thanks to the formwork trolleys.
  • Due to the modularity of the system, it can be configured to handle different loads, and thicknesses from 20 cm to 1 meter can be made.
  • The vault’s vertical support is ensured thanks to the high load-bearing capacity of the multidirectional shoring system joint (up to 80 KN with verticals of 1.5 m and safety coefficient of N=2).

Components and accessories

  • Box Culvert Pieces.
  • Pieces from standard systems such as Multiform and shoring systems.

Frequent uses

  • False tunnels with a constant rectangular section.


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