Pfädchensgraben viaduct, A 61

Short description

The two existing superstructures of the valley bridge will be demolished and replaced by new superstructures.

The project

The superstructures are built with a movable scaffolding system. Prefabricated tendons with lengths of over 100 m are installed in the floor and deck slab.

Services in detail

Installation, tensioning and pressing of 750 t of internal pre-tensioning and 150 t of external pre-tensioning


internal strand tensioning process with bond

external strand tensioning system type E