
BIRA Circular Formwork
teel-ply formwork adapted for circular geometries using easy curving system.
BIRA is a metal formwork for circular walls. The desired radius is obtained by means of an adjustable curving mechanism.

BIRA is a metal formwork for circular walls. The desired radius is obtained by means of an adjustable curving mechanism.
Main characteristics:
Maximum load pressure:
- 60 KN/m2 with Ø 15 mm tie rods
- 80 KN/m2 with Ø 20 mm tie rods
- The minimum curve radius is 2.2 m.
- Steel shuttering face specially adapted for curved shapes.
- Panels with only 2 ties.
- A wide range of panels that obtain 25 cm interval when panels are connected vertically.
- Different width for internal and external panels.
- Simple blocking system.
- Panel connection with a clamp.
- Compatible with ORMA Modular Formwork.
- Reduced number of accessories.
- Lifting rings, vertical connection elements and levelling jacks integrated in the panels.
- Safe erection.
- Templates for panel curving
- Vertical and horizontal panel connections
CIRCULAR WALLS
- Water treatment plant in Loyola, San Sebastián, Spain
- Treatment plant in La Línea de la Concepción, Cádiz, Spain
- Faro-Loulé Stadium, Algarbe, Portugal
CONTINUITY IN CIRCULAR WALLS
- Antión Winery, Elciego, Spain
COMPATIBLE WITH ORMA FORMWORK
CUT-AND-COVER TUNNEL SOLUTION
GABLE SOLUTION
BIRA Circular Formwork is also available in imperial measures. Permissible concrete pressure: 1650 psf.
- 32’ 9’’ high wall
















