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Nanterre (92) - Arena 92 stadium

Nanterre (92) - Arena 92 stadium
Project owner: Racing Métro 92
Project manager: GTM BATIMENT

Description of project:

The Arena 92, a multi-mode space with retractable roof capable of holding up to 40,000 people, is to be built behind the Grande Arche in La Défense, in the commune of Nanterre (Hauts-de-Seine). The construction of the Nanterre stadium risks being affected by the future route of Metro line 1. The access road to the A14 motorway tunnel also places constraints on the foundation project. Under a covering layer of backfill, the project stands on marls and compact brackish marls and limestone, then some Coarse Limestone and Cuise Sands.

 

Missions entrusted to FONDASOL:

Carrying out G12 pre-project geotechnical study, aimed at:

  • Defining the geotechnical context and the water levels on the site at the moment of the action,
  • Determining principles for the foundations suitable for the project together with the mechanical characteristics to be taken into account for justifying the geotechnical structures,
  • Giving specific recommendations for design and execution associated with the site geotechnics,
  • Defining any risks or anomalies remaining at the end of the study.

 

For this study, FONDASOL performed:

  • 12 destructive soundings down to a depth of 30 m,
  • 6 pressiometric soundings down to a depth of between 30 and 60 m,
  • 2 cored boreholes down to a depth of 40 m,

 

G5 geotechnical diagnosis study, comprising:

  • Project-level design calculations detailing the influence of the future Metro line route on the foundations of the stadium,
  • Pre-sizing of the foundations carried out taking into account the underground structures to be bridged.

 

Date mission carried out: January 2012

Fondasol has responded to the following problems:

Mission carried out by the following branches:

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