A course on the stresses in bridge and roof trusses, arched ribs and suspension bridges (1904)
Burr, William H. (William Hubert), 1861-1934 · New York : Wiley · leaf 445
ainst the pieritself. Let the train be supposed to coverthe whole of the two spans adjacentto the top of the bent (in all ordi-nary cases one of these spans will bethe distance between two adjacentbents); then let H represent halfthe total pressure against trusses,and P{ half that on the train… … K.= ^. (I) Let k represent the vertical distance of the centre of ac-tion of H from the horizontal line AB. The wind pressure on the truss AMNB will cause an in-crease of truss reaction at A, and an equal decrease of thatat B, which will be denoted by F, and its value will be: V = Hh consequently…
Trusses · Bridges
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