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Settling layers

These layers include the layer of ballast and the sub-base. Their purpose is to spread the concentrated loads that they receive from the splice bars and transmit them to the platform. The layer of ballast cushions the vibrations transmitted by the splice bars and contributes to the track's longitudinal and transverse stability, and the sub-base protects the platform from erosion and at the same time avoiding the ballast layer's contamination. The settling layers' thickness is mainly determined by the platform's geotechnical characteristics.

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Settling layers