Design and rating of railroad bridges are examined with special reference to effect of increasing wheel loads; growth in weight of steam locomotives, development of Cooper's loadings, research of impact, how bridges are rated to carrying capacity, and how Cooper's equivalents are determined for all loads passing over bridges; Cooper's equivalents of some of special cars in service are given and vulnerable points in bridges discussed. (n 11 Nov 1964 p 17-20)
Meaning of heavier wheel loads on bridges
Ry Track Structures
Railway Track and Structures ; 60 , n 12
1964
4 pages
Article (Journal)
English
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