A specific goal of safety is to reduce the number of injuries that may result from the collision of two trains. In Volume II, an analytical model in two dimensions, longitudinal and vertical, of the primary collision of two impacting urban railcar consists is formulated. This model includes the formulation of the leading cars developed in Part 1 of this program, and the distribution of mass and nonlinear force-deformation relationships existing among major structural sub-assemblages. This model also is capable of determining the extent of crushing and/or override suffered by the individual cars in the consists, as well as the time histories of displacement, velocity, and acceleration in both the longitudinal and vertical directions. Methods are developed for generating the dynamic force-deformation relationships for structural sub-assemblages comprising the critical modules of railcars. These methods include finite-element analysis, scale modeling, and full-scale testing procedures including specifications for required testing equipment and instrumentation.


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    Title :

    Increased Rail Transit Vehicle Crashworthiness in Head-On Collision. Volume II. Primary Collision


    Contributors:
    E. E. Hahn (author) / S. C. Walgrave (author) / T. Liber (author)

    Publication date :

    1980


    Size :

    82 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






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