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Reliability of Railroad Track Systems: Practical Implications

Freydoon Arbabi

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Abstract

Reliability of railroad tracks is determined and the reliability index is calculated for varying loads and track properties. The model used for the track system incorporates the different components and their deformation modes. The structural response is obtained by a finite element solution of the track system in terms of the random variables. The formulation is based on a linear statistical model. Some practical implications of a parametric study are discussed.

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What this paper is about

Reliability of railroad tracks is determined and the reliability index is calculated for varying loads and track properties. The model used for the track system incorporates the different components and their deformation modes. The structural response is obtained by a finite element solution of the track system in terms of the random variables. The formulation is based on a linear statistical model. Some practical implications of a parametric study are discussed.

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Available abstract

Reliability of railroad tracks is determined and the reliability index is calculated for varying loads and track properties. The model used for the track system incorporates the different components and their deformation modes. The structural response is obtained by a finite element solution of the track system in terms of the random variables. The formulation is based on a linear statistical model. Some practical implications of a parametric study are discussed.

Key concepts: Track (disk drive), Reliability (semiconductor), Parametric statistics, Finite element method, Reliability engineering, Structural engineering, Deformation (meteorology), Computer science

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