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 172
ical loading are given below, inwhich a is the length of the rafter, c the half span RR\ and dthe height of W^ above O. These expressions may be readilyderived from Fig. i. A=.jR, B =A-W C = A - 2lV~,a D = A -iW H=E =-W.a F = 2H = 2-W,a ROOF TRUSSES. 121 0 ~ 00 O =L -Jlf=j{R-^lK), N = M + S = |^ ^… … sp Fig. I.
Trusses · Bridges
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