Project Romainville, France

Grand Paris Express - Station Place Carnot

New station on extension of line 11

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A whole new station of the Grand Paris Express, on the extension of line 11.

Technical specifications

Diaphragm wall

  • 25 panels + 1 barrette
  • 125 linear meter
  • 1.500 mm thick
  • up to 42 m deep

Excavation made with a mechanical grab and/or a cutter.

The project

The wall we are realizing on Place Carnot aims to be the access shaft for the tunnel boring machine, but it will also become the main entrance of the station.

Inside the station, the metro platform will be at 25 m deep.

The "Grand Paris Express" project

With the Grand Paris Express project, the French capital will receive a second metro network aimed at serving its suburbs. 
The scope of the work is impressive: four whole new lines, extensions of two existing lines, seven new technical centres and no less than 68 new stations, this ambitious project will double the size of the current Paris subway (from 220 km to 445 km), which serves principally the 20 districts located inside the Paris ring road (périphérique). 

The new lines of the Grand Paris Express will be connected to the existing transport network. Essentially underground, the new metro will cross the municipalities of the greater Paris metropolis to connect them among themselves and with the capital. This will make it easier to get from one part of the Île-de-France to another without going through Paris, but also to reach more quickly the heart of the capital from its suburbs.

The Grand Paris Express will serve the major business areas (airports, business centres, research and university centres) and other suburbs that are currently difficult to access. It will bring everyone closer to their workplace and make daily journeys faster and more pleasant. Finally, it represents a new alternative to the car, thereby reducing pollution, traffic jams and helping to create a metropolis that is more respectful of the environment.

It is the largest urban project in Europe nowadays.

Project details

Project name

Grand Paris Express - Station Place Carnot

Area(s) of expertise

Railways

Techniques

Diaphragm wall

Contract type

Build

Location

Romainville, France

Stakeholder(s)

Atlas Fondations

Building Period

2017 - 2018

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