Why Are Stones Paved Under The Electrical Rail Ride?

Why are stones paved under the electrical rail ride? To put it bluntly, the track train is to increase the base area of the track subgrade through gravel and sleepers, so as to ensure that the ground does not sink so quickly after the long-term operation of the track train. the

If you pay attention, you will find that the stones paved between the railroad tracks are all chiseled, and the shape is very irregular. Such stones are easily broken. High heat; if it is paved with round and smooth stones, because it is not easy to break, the heat absorption effect will not be good! There is also a very important drainage function, which can increase the elasticity of the railway line and reduce the bumps of the train. The train passes the rails at high speed, which will generate noise and high heat, and the other two important jobs of crushed stones are to absorb noise and heat. The weight of a large rail sightseeing train can reach 5-10 tons. It is also a very important requirement to mention the turning radius of the small rail sightseeing train. The ballasted track refers to the track whose subrail foundation is stone loose-grained bed, also known as gravel track, which is one of the main forms of track structure. Fasteners must be complete, firm and consistent with the rail type. In addition, as a small retro sightseeing train, it uses common track forms such as steam locomotives and green leather trains, which also meet the emotional needs of nostalgia and retro.

Under the condition that the pressure (the gravity of the sightseeing train) is constant, the smaller the contact surface is, the greater the pressure per unit area will be. It is particularly pointed out here that the gravel used by the general rail sightseeing train is generally 2-4 or 3-5 gravel and the laying density should be 0.93 cubic meters per square meter. This is about our common track. And why are there stones under the railway tracks?

It is because the rails and sleepers must bear the weight of the train for a long time, and one of the tasks of the gravel is to act as a buffer to prevent the rails from sinking. In this respect, the track sightseeing train is the same as the real train. So the track technical requirements are basically the same. Prevent the subsidence of the ground contacted by the track sightseeing train track. In this way, the rail sightseeing train will be crushed for a long time, which will inevitably cause the ground and the track to sink. The track sightseeing train is the same as the railway passenger train. It runs on two long and thin tracks, but the purpose is different. In fact, there is no difference between the two trains. The gap between the track joints shall not be greater than 5mm, and the height and left-right error shall not be greater than 2mm; the height difference between the top surfaces of the two rails in the straight section, and the height deviation between the outer rail and the top surface of the inner rail after the curved section is heightened according to the design, shall not be greater than 5mm; the upper deviation of the gauge of the straight line section and the widened curved section is +5mm, and the lower deviation is -2mm; the track interface at the turn should not be parallel, and the track interface should be staggered by about 1m.

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