Abstract
The purpose of this article is to perform the calculation of this design for the strength of the sleepers in compression according to the “The Strength and Stability Calculation Rules for Railway Track”, which has not been used before. Wooden sleepers in the subway tunnel are encased in track concrete with 2/3 of their length resting on the concrete base. Under the action of rolling stock, stresses and deformations occur in the upper track structure elements. Their dependence on the forces affecting the track is complicated and hard to define. To solve the strength calculation problem, some prerequisites were assumed, and a design diagram and model were created. The magnitude of the vertical modulus of elasticity of the rail pad of the non-ballast track on wooden sleepers in the subway tunnel, the horizontal modulus of elasticity of the track rail, the dynamic vertical pressure of the wheel on the top of the rail, as well as estimated normal stress in the sleeper under the pad were calculated to determine the vertical forces acting on the rail pad of the intermediate rail fastening. The results obtained from the calculation of the wooden sleeper using the “The Strength and Stability Calculation Rules for Railway Track” showed that its bearing capacity is ensured.
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