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 31
sented in Fig. i, and the second inFig. 2. 12 THE ACTION OF STRESSES IN TRUSSES. The web stresses for this case will be precisely the same ingeneral form as those given in Art. 4, but sec a will be writtenfor sec a. Very simple general formulae can be written for these webstresses. Let n denote the… … Fig. I. The expression (+ d), of course, denotes tensile stress in anybrace parallel to O. In precisely the same manner, the compressive stress in anybrace parallel to A^ {n possessing the same signification asbefore ; i. e., n for A^ is 2 ; for L, 4, etc.) is , ( (« — i) „. n „., ) , , — b — \ IV…
Trusses · Bridges
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