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tunnelling contract news for the world's tunnel engineers

tunnelbuilder.com is the leading marketing resource for the world's tunnelling industry providing the latest project news on the world's tunnels

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10 longest bridges to drive across - USA TODAY

10 longest bridges to drive across. The world's biggest bridges ... Chesapeake Bay Bridge-Tunnel ... suspension bridge in the world and the longest in ...

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Infographic: The Longest Tunnels in the World

The tunnel itself was designed with special neon lighting and limited straight sections to avoid wrecks and an overall feeling of monotony while passing through. SMART Tunnel. Kuala Lumpur’s SMART tunnel is the world’s longest multi-functional tunnel.

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Roadheader excavation performance

Excavation performance is a term used in underground construction to describe the influence of a number of parameters on the cutting rate and the tool wear of a roadheader.

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Longest Tunnels in the World [United States Edition] - TOP 10

The longest tunnel in the world is the Delaware Aqueduct (85.1 miles) which is the main water supply tunnel of New York City. In this article we have collected …

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World's longest rail tunnel to open in Switzerland under

Measuring 57 km in length, situated 2.3km deep under the Alps and having cost €11bn to complete, Switzerland’s Gotthard base tunnel is more than just the world’s longest and most expensive ...

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tunnelling contract news for the world's tunnel

tunnelbuilder.com is the leading marketing resource for the world's tunnelling industry providing the latest project news on the world's tunnels

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Video: Watch Otto the bulldog set the record for longest

In Lima, Peru, Otto the Bulldog glided into the record books with a triumphant attempt at the Longest human tunnel travelled through by a skateboarding dog, all in honour of Guinness World Records Day 2015.

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Repairing the Longest Tunnel in the World | Construction

"This project is a big deal for New York City, because it involves fixing our largest aqueduct, which happens to be the longest tunnel in the world," said Adam Bosch, director of public affairs ...

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The Longest Railway Tunnels In The World - WorldAtlas.com

The Longest Railway Tunnels In The World The Gotthard Base Tunnel, a railway base tunnel through the Alps in Switzerland, is the longest of its kind in the world. Although railway tunnels are often very short, there are a few examples from around the worl

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The longest tunnels in the world

Tunnels are some of the most amazing marvels of engineering. But the world's longest tunnels are definitely not the place for a car to break down.

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World's longest rail tunnel begins regular service in

Regular rail service through the world’s longest tunnel has begun, carrying passengers deep under the Swiss Alps from Zurich to Lugano. The famed Gotthard Base tunnel (GBT) was given a ceremonial opening in June, attracting European leaders including the

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Rome's Tremendous Tunnel: The Ancient World's Longest

Rome's Tremendous Tunnel The Ancient World's Longest Underground Aqueduct. Roman engineers chipped an aqueduct through more than 100 kilometers of stone to connect water to cities in the ancient province of Syria.

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A new model to predict roadheader performance using rock

Prediction of roadheader performance plays a significant role in the plan of tunnel construction, which is influenced by different key parameters, including rock strength, discontinuity in rock mass, type and specifications of roadheader machine, and brit

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The 17 Longest Tunnels In The World - Business Insider

Courtesy of christian111 via panoramio The world's longest tunnels are definitely not the place for a car to break down.. The longest tunnel, in Norway, spans over 15 miles, longer than the entire length of Manhattan, and uses sunrise-like lighting in thr

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The longest tunnels in the world - dangerousroads.org

Built in 2000, the tunnel is located in Norway (Lærdal -Aurland). It’s part of the E16 road. It’s 24,510 km (15.2 mi) long. It’s 1 tube, and is the longest road tunnel in the world. Yamate Tunnel. Built in 2010-2015, the tunnel is located in Japan (Tokyo)

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Predicting roadheader performance by using artificial

It is concluded that roadheader performance could be accurately predicted as a function of unconfined compressive strength, Brazilian tensile strength, rock quality designation, and alpha angle R 2 = 0.987. Sensitivity analysis reveals that the most effec

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Israel destroys "longest and deepest" Hamas cross

The tunnel was the “longest and deepest” underground passage discovered in Israel thus far, according to Defense Minister Avigdor Liberman.

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World's longest tunnel completed - Business Insider

Tunneling and track-laying for the 35-mile NEAT Gotthard Base Tunnel has been completed, making it officially the longest tunnel in the world, surpassing Japan's 14-1/2-mile Seikan Tunnel. Swiss authorities held a media day inside the tunnel on Monday to

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Israel destroys 'longest and deepest' Gaza tunnel

The Israeli military has disabled a major tunnel dug by militants which reached into Israel from the Gaza Strip, officials say. Defence Minister Avigdor Lieberman said it was the longest and deepest tunnel of its kind Israel had discovered. A military spo

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The Longest Tunnel In the World Is Now Finished

The 35-mile tunnel that runs below the Swiss Alps is now complete.

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China Plans World's Longest Tunnel to Turn - newsweek.com

Chinese scientists have developed a plan to bring water to a desert in its northwest via a 1,000-kilometer (621-mile) tunnel, the longest in the world.

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The Chunnel - World's Longest Underwater Tunnel - History

The Chunnel - World's Longest Underwater Tunnel - History Channel HD At its lowest level, it is 75 m (250 feet) deep. At 37.9 kilometres (23.5 mi), the tunne...

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World's Longest Road Tunnel: Laerdal - Aurland

This tunnel is not only the world’s longest, 24.5 km ( 15.2 miles), but also the world’s most uniquely constructed tunnel with exceptional security features. (The world’s second longest, the St. Gottard Tunnel in Switzerland, is only 16.92 km, or 10 miles

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The Longest Tunnels In The World - WorldAtlas.com

Stretching for 137,000 meters, the Delaware Aqueduct is the longest tunnel in the world.

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