Adams, Henry · London, New York [etc.] Longmans, Green, and Co. · leaf 52
moment ofinertia will be found by taking the neutral axis in the opposite direc-tion and working similarly, but it is only wanted when the rolled joistis to be used as a stanchion. The other method is shown in Figs. 123,124, and 125. Divide up the section into portions at each change ofwidth as… … from the point 1, Fig. 124, to any given scale to represent these areas, anddraw a vertical line from 1 equal to half the length of the horizontalline, making the lower end a pole. Then draw vectors from the pole tothe divisions on the horizontal line, and construct the funicular polygon,Fig. 125,…
Building · Structural analysis (Engineering)
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