News

Among presented innovations the Société du Grand Paris supports, in order to reduce carbon dioxide emissions as much as possible during construction of the new metro, the first segments in ultra-low-carbon concrete will arrive on line 18, to Orly Airport station, in the spring of 2022. Restricted by piles of voussoirs, the site of the […]

The digging process of the first section of a tunnel that is going to link two stations on the line 2 metro in Lima, Peru, has been completed using a tunnel boring machine (TBM). Following finishing 720m tunneling, the intended TBM Delia with 10.27m diameter broke through into the future Circunvalación Station. Cooperating with local […]

Another EPB TBM, which has 6.61m diameter and is due to be used on Phase I of Surat Metro Rail Project in India in the first days of the current month once completed its factory acceptance successfully, is delivered by TERRATEC. This indicates all the machines for Phase 1 of the Surat Metro Rail project […]

In the middle of December 2021, the TBMs, which are going to excavate the tunnels for the Scarborough Subway Extension and the Eglinton Crosstown West Extension in Toronto, reached the ports of Oshawa and Hamilton. Transporting on a massive cargo ship, called Jumbo Vision, on 26 November 2021 the intended machine, that is due to […]

It is the end of tunneling process on Line 15 of the Grand Paris Express. Locating among Île de Monsieur shaft at Sèvres and the Noisy-Champs station, the Line 15 South with 37 km length is one of four new metros lines being extended by Société du Grand Paris on the Grand Paris Express project. […]

Following completion of its ultimate tests, the largest tunnel-boring machine (TBM) to be used in the UK is being surrendered for the Silvertown Tunnel project. Having 11.91 meters’ diameter, the intended TBM is larger than those used on Tideway (8.85 meters), Cross rail (7.1 meters), and HS2 (10.26 meters), while on 2 December it has […]