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 288
e most convenient, nor the one commonlyused. The method ordinarily used is the usual one for con- EQUILIBRIUM POLYGONS. 231 structing the equivalent polygonal frame, and is the follow-ing: Let AK, Fig. 2, represent any span, inclined in this casebut ordinarily horizontal, and i, 2, 3, 4, etc., the… … Fig. 2, represents the sum of all the applied loads, it is also equal tothe sum of the two reactions or shearing stresses at A and A.In the case of the simple beam taken, those quantities will ofcourse be determined by the law of the lever only. Suppose AC and AB to represent the shearing stresses…
Trusses · Bridges
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