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 32
hother about that point are that of the stress in k acting withthe lever-arm d, the depth of the truss, and those of theweights applied to the truss on the right of the panel pointin question ; these latter act against the former. Calling thepanel length/, and taking the moments mentioned: 7^ = 3 W… … Fig. 2. The cantilever truss represented in Fig. 2 shows the rasein which m of Fig. i, Art. 4, is equal to zero. The note-fionis precisely the same as that used before. The general expression for the stress in any inclined braceis simply Eq. (i) repeated—that is: + d i 2 I) JT [ sec a + IV sec a…
Trusses · Bridges
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