Architectural iron and steel, and its application in the construction of buildings ... specifications of ironwork ... tables selected expressly for this work ... by Wm. H. Birkmire (1905)
Birkmire, Wm. H. (William Harvey), 1860-1924 · New York, J. Wiley · leaf 58
ss through /. Draw om intersecting gm at m.lm lies over gm and is taken as two lines. MM is a light rodpreventing the main tie from sagging. The strain may thenbe scaled off, on which the total load = L as follows: The length of ab aoAO cdCD acAC ckCK efEF ghGH klKL elEL gmGM omOM lmLM = strain on… … heretofore, commencing with the joints nearest the support.Thus bd = joints 1 and 2, df = joints 3 and 4, fj = joints 5and 6, and nj and nl each equal one half of loads at 7 and 8.One half of the total load on the truss being sustained by each 40 ARCHITECTURAL IRON AND STEEL. support and commencing…
Building, Iron and steel
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