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How Do They Make Tunnels?

Currently, the more common way to construct tunnels is a tunnel boring machine (tbm). A tbm is a cylindrical machine with a cross section designed to cut through many types of soil and rock.

How Do They Make Tunnels?

Tunnels are a vital part of our transportation infrastructure, allowing us to go from point A to point B in a safe and efficient manner. But have you ever wondered how they actually get made? In this article, we’ll take a look at the process of tunnel construction and the various methods used.

The most common method for making tunnels is by using a traditional drill-and-blast technique. This involves a series of steps, beginning with the excavation of a pilot tunnel, or pilot hole, which is a small tunnel used to measure the stability of the soil or rock.

The contractor then drills small holes into the face of the tunnel and inserts explosives into the holes. The explosives are then detonated and the debris is removed. This technique is generally used for smaller tunnels, such as those used to create underground railways.

However, in order to create longer and more complex tunnels, such as those used for subway systems and highways, a different technique is required. This technique is known as tunnel boring machine (TBM) mining. A TBM is essentially a large machine, usually made of steel, that is used to grind through rock and soil. The machine has a rotating cutting head, which is attached to a frame and is pushed forward

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