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Tunneling News

Immersed tunnel beneath Bosphorus Strait connects Europe and Asia (video)

The submerged tunnel under the Bosphorus Strait opened on Tuesday, connecting the European and Asian shores of Istanbul. The railway tunnel is 13.6km (8.5miles) long and consists of a 1.4km long (0.87...

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Bypass tunnel confronts the leaks of the Delaware Aqueduct (video)

Over the past years the New York City Department of Environmental Protection has detected leaks in a section of the Delaware Aqueduct. According to investigations, the cracking observed in the limesto...

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New tunnel upgrades Hetch Hetchy water system

The construction of a new tunnel replacing the old Hetch Hetchy water system was completed last Tuesday, in California. Fremont's end of the tunnel connected with Sunol's end, creating a 3.5 mile...

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Phyllis TBM arrives at Farringdon Station (video)

The first Crossrail tunnel was constructed after 17 months, by Phyllis TBM which completed its 4.2miles route from Royal Oak to Farringdon Station. Almost 1.1 million tonnes of material have been exca...

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Road subsidence in Bangkok on top of MRT’s tunnel

A section of the Charoenkrung Road in front of the Leng Noei Yi Temple (Wat Mangkorn Kammalawat) in Bangkok collapsed last week, affecting the area of the blue line’s extension underneath. Accordin...

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Last Blast at Thornton Quarry leads to a new reservoir

The last explosion at the quarry was performed last Monday, removing 36.000 tons of limestone. The quarry is planned to gather storm water and sewage, to protect the area from floods. The construction...

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The information age in Geotechnics is here: US Tunnel Boring Machines tweet and people listen!

Tunnel-boring machines deployed at tunneling projects across the U.S. are using Twitter to share observations in real-time with anyone interested. And wow! People are interested! They want to hear and...

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Tunnel cave-in at Gold and Copper Mine in Indonesia; Two killed, 27 missing

Freeport-McMoRan Copper & Gold Inc., the world's biggest publicly traded copper producer, reported a tunnel collapse at its Grasberg complex in Indonesia. Grasberg in Papua province includes open-...

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What happens when you remove a geotechnical engineer? Article in Popular Mechanics discusses removal of dams, makes no reference to geotechnical engineers

In an article “What happens when you remove a dam”, the Popular Mechanics magazine discusses lots of aspects, including engineering aspects, of a dam removal. The article itself is interesting. It...

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Tunnel Collapse in Sendai, Japan

A 50-60 m section of the Sasago tunnel on the Chuo Expressway collapsed in the Tokyo-bound lane, about 80 km from Tokyo. Probably 7 people have died and recovery is still ongoing. A fire that started...

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