Kidder, Frank E. (Frank Eugene), 1859-1905, Nolan, Thomas, 1857-1926 · New York : W.T. Comstock · leaf 459
68 and 66 inches, re-spectively. To illustrate the method of calculating such a girder, we will per-form the calculations for the girder shown in Figs. 493 and 494.To start with we have the following data: A = $ feet 6 inches, ^ = 7 feet, span = 18 feet.R ■= \6 inches, .S = 68 inches, B =^ 66… … Fig. 494. ♦ NoTB.—This fraction should only be used when the distance i is not more than cne footover one-third of the span. HEA VY FRAMING. 453 ^ . . ^ , „, length of 6 68 , Compression in 6* = | W Y. length of ig~ ^^^°° ^ 76 ^ Sl^m pounds. Tension in u5 or compression in Z? = f ^F X , tt—7-^…
Building
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