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- Tunnel - Wikipedia
[2] A tunnel may be for foot or vehicular road traffic, for rail traffic, or for a canal The central portions of a rapid transit network are usually in the tunnel Some tunnels are used as sewers or aqueducts to supply water for consumption or for hydroelectric stations
- TUNNEL Definition Meaning - Merriam-Webster
The meaning of TUNNEL is a covered passageway; specifically : a horizontal passageway through or under an obstruction How to use tunnel in a sentence
- Tunnels and underground excavations | History, Methods, Uses, Facts . . .
tunnels and underground excavations, horizontal underground passageway produced by excavation or occasionally by nature’s action in dissolving a soluble rock, such as limestone A vertical opening is usually called a shaft
- Tunnel construction - Wikipedia
Tunnel construction is a subset of underground construction There are three basic types of tunnel construction in common use: Cut-and-cover tunnel, constructed in a shallow trench and then covered over Bored tunnel, constructed in situ, without removing the ground above They are usually of circular or horseshoe cross-section
- How Tunnels Work - HowStuffWorks
In this article, we'll explore what makes tunnels such an attractive solution for railways, roadways, public utilities and telecommunications We'll look at the defining characteristics of tunnels and examine how tunnels are built
- Lincoln Tunnel traffic delays after car fire; 1 taken to hospital, 5 . . .
A vehicle fire in the Lincoln Tunnel led to residual 20-minute delays for traffic headed into New York City, the Port Authority says
- TUNNEL | English meaning - Cambridge Dictionary
TUNNEL definition: 1 a long passage under or through the ground, especially one made by people: 2 the long passage… Learn more
- Types of tunnels| Function | Shape and Size |Advantage and Disadvantage
Tunnels are the structure constructed for the conveyance of flow or for transportation purposes or to store food or radioactive Usually in hydro-technical practice, tunnels are used for the conveyance of flow There are different types of tunnels Hydro-technical tunnels are could be classified as non pressure tunnel and pressure tunnel
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