Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 191
strain. the force polygon and bring us back For an excellent presentation of the above method, we refer the reader to to o. Iron Bridges and Roofs, by W. C. Un- Now starting at the left support, we have the vertical reaction a c , the hori- win. Pp. 128-140. The above method zontal force a b, and… … to carry out the construction for the rest Fic.7.[b) of the frame, the upper flanges after D would radiate from o. D C B A A comparison of Fig. 6 (a) and (b) shows that whereas under uniform load the strain in 1 is tension, for wind force the same brace is in compression. In fact in the first case…
Engineering
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
