Letter from the Secretary of war in response to Senate resolution of December 10, 1894, transmitting the report of the Board of Engineers and bridge-b (1894)
United States. Army. Corps of Engineers. · [Washington, D.C.] · leaf 88
amed results in formulaewhich, as the mathematical theory of tho combined elastic action of cables andbeams show, give greater bendingmoments and shears in the stiffening truss overthe greater part of the span than those which actually exist. All estimates ofmaterial for tho members affected will… … The moving load will be taken on the left half truss A C, and the same notationas that given below fig. 1 in tho preceding section will bo used. Case I. In this case tho moving load w will bo taken as passing on tho truss from A andits variable length measured from that point will be represented by…
Bridges
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