1 X 1= § Fig. 41. Diagram for Momentof Inertia of RectangularPlate 2. Compute Ia for the plate girdersection in Fig. 42 made of 1 PI. 42 X ¥ and \4Ls 6 X 6 X |. for 1 PI. 42 X ¥ L (from tables) = 3087for 4 Ls 6 X 6 X ¥ Ic (from tables) 4X19.91 = SOfor 4 Ls 6 X 6 X ¥ L 4 X 5.75 X 19.57 X 19.57=8809… … 923 ^ — - .j Fig. 42. Diagram for MomentOd of Inertia of Plate Girder 38 STEEL CONSTRUCTION Problems. 1. Compute the values of / for the sections in Fig. 43. Deduct rivetholes. The section is made up of 4 Ls (3X4XiV connected with lacing bare(lacing not figured.) a 2. Compute the values of / for…
Building, Iron and steel · Steel, Structural · Theses
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