Pont de la Poya 1, Fribourg

Construction of trenches for accessing the abutments and face of the Palatinat tunnel as well as trenches for the piers of the Poya bridge using anchored shotcrete walls.

Access trenches for the abutment and front of the Palatinat tunnel Trench for constructing the piers.


Divisions performance

Construction method
Shotcrete walls anchored with permanent bolts and nails.

133 mm and 152 mm diameter drilling in terrain with difficult geology, multiple reinjections.

Additional Services

Association Implenia - Marti - Injectobohr

Project design

Specific figures

Project owner

Fribourg civil engineering service

Amount for our services

CHF 2.7 million

Construction period

December 2008 - March 2011