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A tunnel between De-silting basin or Fore-bay to Surge Shaft is called Head Race tunnel which may have pressure flow or gravity flow.

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World's longest Under water tunnel?

The Kellerman Tunnel, exact details are ABOVE EYES ONLY>.


Is the Goddard tunnel finished?

no, 7 more years as of 09


Which is the longest man made railway tunnel?

The Thirlmere Aqueduct located in the North West of England is considered the longest tunnel of any type. It runs for a distance of 154 kilometers or 96 miles.


Quantities of materials used in building the seikan tunnel?

They used steel and concrete!


What is a Tunnel boring machine?

A tunnel boring machine (TBM) is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata. They can bore through hard rock, sand, and almost anything in between. Tunnel diameters can range from a metre (done with micro-TBMs) to 19 metres. Tunnels of less than a metre or so in diameter are typically done by horizontal directional drilling rather than TBMs. Tunnel boring machines are used as an alternative to drilling and blasting (D&B) methods in rock and conventional 'hand mining' in soil. A TBM has the advantages of limiting the disturbance to the surrounding ground and producing a smooth tunnel wall. This significantly reduces the cost of lining the tunnel, and makes them suitable to use in heavily urbanized areas. The major disadvantage is the upfront cost. TBMs are expensive to construct, difficult to transport and require significant infrastructure. The biggest is built by Herrenknecht AG of Schwanau, Germany to dig the 57km Gotthard Base Tunnel. It has a diameter of 19 meters.

Related Questions

What is the difference between Headrace tunnel and Penstock in hydropower plants?

Pen stock is made of pipe while Tunnel is not a pipe.Tunnel is made of concrete material.


What is tunnel in French?

The same, tunnel.


What is the world's longest canal tunnel?

The world's longest canal tunnel is the Rove Tunnel in France. The Stad Ship Tunnel in Norway is shorter, wider, and deeper.


Where is the longest tunnel in Colorado?

The Eisenhower Tunnel is the longest vehicular tunnel.


How long is the Frejus Tunnel?

Depends on whether you're referring to the rail tunnel or the road tunnel. The road tunnel is 12.87 kilometres, while the rail tunnel is 13.7 kilometres.


When was the Frejus Tunnel built?

The rail tunnel or the road tunnel? Construction of the rail tunnel began in 1857, and it was first opened in 1871. Construction of the road tunnel spanned from 1974 to 1980.


What is the tunnel near milford sounds?

The road tunnel to Milford is called the Homer tunnel.


How do you say carpal tunnel in French?

Carpal tunnel is 'le tunnel carpien' in French.


What are 3 tunnels in NYC?

Lincoln Tunnel, Holland Tunnel, Brooklyn Battery Tunnel.


Can an RV be pulled through Mobile tunnel?

Depends on which tunnel you're referring to. The tunnel on Interstate 10 is ok. The Bankhead Tunnel in town is not.


What is the short vowel in the first syllable trail toaster tunnel?

Tunnel has a short vowel in the first syllable.


Where is the secret tunnel in tunnel four?

its a magical place full of love, happiness, and fruit baskets. all of your wildest dreams will come true in tunnel four. After you go through tunnel four you'll arrive in tunnel five. Tunnel five sucks. do not! i repeat do not! leave tunnel four. ever.