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Cyclopedia of architecture, carpentry, and building : a general reference work (1912)

American Technical Society · Chicago : American Technical Society · leaf 65

An illustration from Cyclopedia of architecture, carpentry, and building : a general reference work, 1912, leaf 65
left end, 2,480^10,000=0.248 inchTwo feet 3,920-^10,000=0.392 Three 5,320-^10,000=0.532 Four 6,680-^10,000=0.668 Laying these ordinates off at the proper points, we get KhcdY. as the moment line. 3. It is required to construct the moment diagram for the cantilever beam represented in Fig. 19, a,… … Sc8Je:i= 20000 ft.-lbs. Fig. 19. Using a scale of 20,000 foot-pounds to one inch, the ordinatesin the bending moment diagram are: AtB, 1,000^20,000=0.05 inch, C, 5,500^20,0C0=0.275 D, 19,500-^20,000=0.975 Hence we lay these ordinates off, and downward because the bend-ing moments are negative, thus…

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