This report covers an extensive testing program which was conducted to validate the track geometry measurement system installed aboard the Department of Transportation Rail Test Cars. The tests were conducted to establish the accuracy and repeatability of measurements made with the high-speed electronic measurement system installed aboard the DOT Test Cars. The validation procedure involved both laboratory and field tests of the electronic measurement system. Comparisons were made between manual and high-speed electronic measurements of rail gage, crosslevel, profile and alignment. Results of these comparisons under various dynamic conditions, speeds, types of rail and rail loads are included in this report. The information contained in this report includes considerable detail which is intended for use by engineering and research personnel who are involved in the design, development, and validation of rail measuring devices.


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    Title :

    FRA Track Geometry Measurement System Validation Report


    Contributors:
    T. L. Yang (author)

    Publication date :

    1974


    Size :

    163 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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