According to the plans, the line will be operated by 52 trains including 20 latest-generation trains – the MP14 vehicles. Île-de-France Mobilités, and RATP are working to put the line in automatic operation expected to become operational from 2023. During the pandemic, work has been performed for stations’ development covering the platforms, the installation of the furniture and equipment as well as the passenger access facilities. The Minister delegate for transport Jean-Baptiste Djebbari and the Vice-Presinde of Île-de-France Mobilités Grégoire de Lasteyrie also attended the oficialy ceremony held on January 13, 2022.īetween 20 civil engineering works were implemented covering the tunnel, walls and concrete slabs forming the ground and floors of the stations. The extension is served by two stations (Barbara and Bagneux – Lucie Aubrac) and a new 1500 sqm depot. EPB-TBM drive (length = 3 km, 9.15 m diameter, cross section = 65.8 m²) with segmental lining (internal diameter = 7.95 m, 1.The French Prime Minister Jean Castex, and the CEO of RATP Catherine Guillouard have inaugurated the 1.8 km Paris metro line 4 extension from Mairie de Montrouge to Bagneux-Lucie Aubrac.Technical leadership tunneling (with Pizzarotti) Further informationĪrchamps Technopole, Immeuble Alliance Bât C Cutting through geological interfaces and swelling layers requires permanent regulation of the face-pressure and balancing of the earth pressure of the TBM. 5 m wide, 40 cm thick, one ring = 6+1) 200 m of covered trench 4 underground stations (100 m long, 20 m wide, 26 to 30 m deep), 2 stations are dug in traditional way and 2 with shaft and diaphragm walls (1.2 to 1.5 m thick and 30 to 41 m deep) Station sections : Liberté 7,036 m² (10,124 m³) Place Carnot 5,363 m² (8,044 m³) Hôpital Nord 7,286 m² (8,743 m³) Boissière 6,299 m² (7,093 m³) 3 ventilation shafts ChallengesĬhanging amounts of clay and gypsum in the marl layers are leading to layers with low permeability and differing pore pressures as well as swelling layers. Services in detailģ km of tunnel with an earth pressure tunnel boring machine (diameter = 9.15 m, excavated section = 65.8 m²) with voussoirs (inside diameter = 7.95 m, 1.
The geological and hydrological conditions required ground improvements and injections, too. Implenia also performs the structural works for the four underground stations Liberté, Place Carnot, Hôpital Nord and La Boissière (main installation plant). A total of 12,000 segments are produced for GC01. 4 During the planning stages of the extension, the station was tentatively called Verdun-Sud. Work to built the extension began in 2015, and was originally planned to open in 2020.
6+1 segments form a ring with an inner diameter of 7.95 m. The extension of Line 4 south from Mairie de Montrouge received déclaration dutilité publique in February 2005. 3.4.1Utilización del metro 4Proyectos Alternar subsección Proyectos 4.1Grand Paris Express 4.2Renovación de los trenes y automatización de la conducción 5El metro de París en la cultura Alternar subsección El metro de París en la cultura 5.1La música en el metro 5. The tunnel’s single lining is built with 1.5 m wide and 40 cm thick precast segments. The 3 km tunnel is driven by an EPB-TBM with an excavation diameter of 9.15 m which started at the newly built station “Liberté”. Implenia is responsible for the technical lead of the tunneling works on the lot GC01 together with Pizzarotti. The underground stations are excavated in conventional method with two side wall drives, followed by the excavation of the crown and finally by the excavation of the invert and the slab.
LIGNE METRO 4 PARIS PLUS
The lot GC01 includes the construction of a 3 km tunnel, a 200 m long open trench (box section) and the 4 stations Liberté, Place Carnot, Hôpital Nord and La Boissière (two of them excavated traditionally and two in open trench method with diaphragm walls) plus the construction of various annex buildings (three ventilation shafts). It also comprises the extension of the existing line 11 from the station “Mairie des Lilas” in direction to “Rosny Bois-Perrier” in the east of Paris realized in three phases (GC01, GC02 and the viaduct). The project will require 210 km of tunnel and nearly 70 new underground stations. The “Grand Paris Express” project aims to improve links between the French capital and the neighboring residential areas in the Greater Paris region (Île-de-France) by building a transport network of six driverless underground railway lines by 2030. Building technology planning (Planovita)Įxtension of Métro Ligne 11, Lot GC01, Rosny-sous-Bois, Paris Short description.Bar Post-Tensioning Systems (BBV Systems).
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