Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 503
ig. 230); ds is always greater than dx, and n is a ratiovarying from one upward. Then, on the assumption that: we may compute a series of vakies for h in terms of the height at the center h^. which will correspond to various angles a. For each angle, we find the ratio between h and h^ that will… … Fig. 230. Determination of Value of n f B B z y dx = I z y dx ■ ■ (58) O The values of li which cause n to varv in this way, are as given in thetabular form: a dsdx h =hc V n a dsdx h = he T n 0° 1.000 1.00/ic 60° 2.000 1.26hc 15° 1.035 1.01 6.5° 2. 366 1.33 30° 1.155 1.05 70° 2. 924 1.43 40° 1.…
Architecture · Building
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