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What's the difference between train track and high speed rail track?

Nowadays, there are many ways for people to travel, such as cars, trains, high-speed railways, airplanes and so on, which are very convenient. I don't know if you have found that there are a lot of stones under the track of the train, but there is no track of the high-speed railway. Why?

It turns out that when the train is running, the vibration amplitude is relatively large, and the stones laid under the train track can reduce the vibration amplitude of the train, so that the train is more flat and comfortable when it is running.

The reason why the track of the high-speed railway is not paved with a layer of stones is that the speed of the high-speed railway is relatively fast, with an average speed of 300 kilometers per hour.

Therefore, if a layer of stone is laid on the bottom, the gravel will be splashed out in the process of driving because the speed is too fast, which will cause danger.

Therefore, ballastless track is also beneficial, that is, the speed can be faster, more balanced, and there will not be too much noise.