Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 298
s; a -= 16 feet; r =60 -^ 4 = 15 feet; w =20 pounds; h = 20 feet; 7i = 14 feet; m = 6 feet; and / = 60 feet.The length of LJJ^ is readily computed to be 33.5 feet; L^ L^, 9.1 feet;and e = 5 feet. The values of the quantities and stresses are com-puted as follows (see Fig. 46): W = 18 X 16 V302 +… … 5 360X20-6 400X10 ^^„,„ , (Sab = -I = + 8 040 pounds. 5 c, 5 360 X 20 ... , ,„ ,Sab = ,; = — 21 440 pounds. P 5 360X14 ,.^ rnf^ A El = ^ = 12 520 pounds. „ 5 360 X 14 -6 400X 4 _ ., ,. , Z?o = i = 8 240 pounds. 0 The horizontal and vertical components of the stresses in theknee-bracing should now…
Architecture · Building
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