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News Feed

Mining machines meet, rock out during first year of LRT tunnel work


One year into construction of the LRT tunnel, two of the digging machines have met in the excavation.

Salini Impregilo signs $153 million contract to build Dugway Storage Tunnel in Cleveland


An Italian engineering company, Salini Impregilo, said it has signed a $153 million contract to build the Dugway Storage Tunnel in Cleveland

China goes global with high speed rail networks


China HSR with a maximum speed of 350 km/h has a typical infrastructure unit cost of about US$ 17-21 million. (RMB 100-125m) per km, with a high ratio of viaducts and tunnels

Tunnel project to start in December


The Oakland County Water Resources Commissioner’s Office, in cooperation with the City of Farmington Hills, will begin construction on the Middlebelt Road Transport and Storage Tunnel Project in ...

Test train runs through Delft tunnel


NETHERLANDS: Infrastructure manager ProRail ran the first test train through a 2·3 km tunnel beneath Delft on November 1, ahead of its planned opening for passenger services in spring 2015

Track laying complete in Gotthard Base Tunnel


A “golden sleeper” has been cast to mark the completion of track laying on the Gotthard Base Tunnel. It has taken contractor Transtec Gotthard 39 months to install 290 kilometres of slab track in ...

Tunnel digging starts at Cherrybrook train station


A third tunnel boring machine (TBM) has begun digging the North West Rail Link from Cherrybrook to Epping

New tunnel-machine bearing arrives from Japan


Hitachi built a new seal ring in Japan for its stranded tunnel-boring machine, and it arrived Friday at Seattle’s Terminal 46

Effects of twin tunnels construction beneath existing shield-driven twin tunnels


This paper presents a case of closely spaced twin tunnels excavated beneath other closely spaced existing twin tunnels in Beijing, China.

Construction of twin MRT tunnels beneath Jalan Bukit Bintang completed


KUALA LUMPUR: The construction of the twin Mass Rapid Transit (MRT) tunnels beneath Jalan Bukit Bintang was completed today

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