Viaduct


The viaduct will serve 3 stations at the north-east of line b : Beaulieu-Université, Atalante and Cesson-Viasilva.

KEY FEATURES:

- Length : 2.4km
- Deck width : about 8m
- Height under deck : about 7m
- Volume of concrete structure : 17,000m3
- Total of columns : 70
- Total of voussoirs : 973

The first step of viaduct construction is to build cast in-site piles and voussoirs precasted on the viaduct worksite.
The deck is built with a lauching beam standing on the piles and the deck already built.

To discover all the steps of the construction of the viaduct, you can watch the animated movie by clicking HERE.