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 151
W» Fig. 4. The shear is, 5 = 46.14 — 65.16 = — 19.02 tons. The diagram gives: (KD) = + 21.7 tons. (^//) = - 7.4 tons. With the head of the moving load at //: R = 40.7 tons,and S = - (40.7 - 5.4) = - 35.3 tons. {BG) = {R X 18 - 5.4 X 6) -^ 9.3 = 75.3 tons. … mE) Fig. 5.Fig. 5 is the diagram, and it gives: (//£) = + 20.9 tons. i-^G) = — 4.0 tons. ROW STRING TRUSS. lOI With the head of the moving load at G, or with the movingload over the whole bridge : 7? = 2.5 x {W + w^^ 54.3 tons.In this case no chord stress is found by moments, but thediagram, Fig.…
Trusses · Bridges
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