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 174
Fig. I. GENERAL CONSIDER A TIONS. 123 taken as acting on RW]^\ the reaction R, therefore, is \ (3 W +\\\ + W.^ and W> \\\> W^. The rafters are each dividedinto three equal parts, and F and D are vertical. IV2 is thefixed panel weight of the roof, and W^ = (IV + W.2) -i- 2. … Fig. 2. The kinds of stresses in the various members are shown inFig. 2. It is unnecessary to give the diagram for the horizontalcomponents of the wind pressure. The method of drawingit will fall under some one of the three cases already given. Art. 33.—General Considerations. In all the preceding…
Trusses · Bridges
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