Summarization and Comparison of Freight Car Truck Load Data

[+] Author and Article Information
M. R. Johnson

Engineering Research Division, IIT Research Institute, Chicago, Ill.

J. Eng. Ind 100(1), 60-66 (Feb 01, 1978) (7 pages) doi:10.1115/1.3439348 History: Received August 01, 1977; Online July 15, 2010


Methods of summarizing and presenting freight car truck load data obtained on service tests are described. Data from four separate test programs are presented in various formats. The data show considerable ranges in the load magnitudes and rates of occurrence from the various test environments. This type of information is essential for evaluating the fatigue, safety, and reliability properties of freight car truck components.

Copyright © 1978 by ASME
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