rail track

Railroad Track And Structure

The type of rail is expressed in kilograms of rail mass per meter of length. The rails used in my country’s railways are 75kg/m, 60kg/m, 50kg/m, 43kg/m and 38kg/m. The section shape of the rail adopts an I-shaped section with the best bending resistance, which is composed of three parts: the rail head, the rail …

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