How to build Train Tunnels
Most of you must have enjoyed a train ride through a tunnel. Have you ever thought about how these tunnels are built? There are few standard methods in which the tunnels are built. Let’s have a look at them. Cut-and-cover Method- Cut and cover is the oldest method of tunnel construction. You dig and excavate the ground to create a hole. Build all the infrastructure you need for train to go such as tracks and signals. Then cover it up. So simple right? It is like constructing the drainage network in any city. It is mostly used for construction of Shallow tunnels, tunnels for underpasses, and in flat terrains. London Underground (which is 100 years old) is a good example of it. Tunnel Boring: Bored tunnels are as the name suggests made by Tunnel boring machines which do look quite boring but the method itself is quite interesting This method is used, when you need to build tunnels at greater depths and also when ground excavation is not possible. ...