Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 296
he knee-braces andthe columns, and the bending in the columns when the ends of theposts are not fixed, may be computed from the following formulae, inwhich, W = Total wind load perpendicular to the roof; TFh = Horizontal component of W; TFv = Vertical component of W; Wi = Total wind load on the… … Fig. 43. Notation for Formulfe, Ends Free. w = wayjr-+ i^y w. = Wi ah H TFh + W, 241 28 ROOF TRUSSES T^4 + I^h (/» + ^ ) + w. ^ Sbe = — = V~ e ^ -Sbc = + — i = V, Oab = ■ e e Bending moment at t = i/, — TT\ (-;^ ni) Bending moment at h = H2 n. The stresses in the truss caused by the wind are the…
Architecture · Building
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