Construction of an underpass in Saclay

Construction of a concrete underpass in Saclay

Construction of an underpass in Saclay

As part of the multimodal infrastructure redevelopment of the RD36, Matière® is currently making an underpass on the Christ section of Saclay, Villiers-le-Bâcle, in Essonne. This departmental project aims to support the development of the territory and facilitate the daily life of residents.


Work began in March 2018 and should be finalized by the end of next winter. At the end of the works, the RD36 will become a 2 x 2 lanes.

The concrete structure and the retention basin were manufactured in our plant in Souleyrie. The retaining walls were designed in our plant of Brive-la-Gaillarde.


Here are the main characteristics of the site:

  • Opti-cadre® double section 2 x 7.85 m wide by 4.75 m high over a length of 45 m;
  • Retaining walls for the hopper height ranging from 1.5 m to 6.7 m over a length of 517 m;
  • Incorporation into the structure of a retention basin in section 16 m x 1.5 m x 13 ml.


Opticadre underpass

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