Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 257
er square foot, then the weight of roofing sustained byone truss equals 438 X 10 = 4,380 pounds. The total dead loadthen equals 875 + 4,380 = 5,255 pounds; 209 76 STATICS and the apex dead loads for joints 2, 8, and 4: equal: -J- X 5,255= 1,314 (or approximately 1,300)pounds;while the loads for… … - \Rfl74olb9. Fig. 46. weighs 20 pounds per square foot (horizontal), the load on the portion12 equals 20 times the area of the horizontal projection of the por-tion of the roof represented by 12. This horizontal projection equals8 X 12 (= 96) square feet; snow load equals 96 X 20 (= 1,920)pounds.…
Architecture · Building
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