Whenever you travel in a train, your eyes must have gone to the ballast laid on both sides of the track. Usually people think that it is just for decoration or general support, but the truth is much deeper than this. The ballast laid under the railway track is called ballast in technical language. This ballast is the base that plays the biggest role in bearing the pressure of heavy trains.
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Complete structure of the track
Railway tracks are built at a height from the ground. First of all, there are two layers of soil on the ground, on top of which stone ballast is put. Sleepers made of concrete are placed on it and steel rail tracks are attached on top of them. This entire structure together forms a strong railway track.
Importance of pointed ballast
Galtis is always pointed, because the pointed stones get stuck in each other and form a strong grip. If round stones are put here, they can easily slip and the sleepers will shift from their place. In such a situation, it will be difficult to bear the weight of the train on the track. Because of the pointed stones, not only the track remains stable, but the sleepers under the track also remain firmly in their place.
Capacity to handle the weight of the train
The average weight of a train is about 10 lakh kg. Only steel tracks cannot bear this weight. Ballast and sleepers play an important role in handling it. Most of the pressure of the train is borne by the ballast, due to which neither the track falters nor the sleepers move. This is the reason why the railway uses only pointed ballast.
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Track safety and stability
If this special ballast is not there under the track, then the weight of the train will fall directly on the soil. Due to this, the ground can sink and the track can move from its place. That is why the presence of pointed ballast in the railway is essential for both safety and stability.
