Notes and examples in mechanics; with an appendix on the graphical statics of mechanism; (1897)
Church, Irving P. (Irving Porter), 1851-1931 · New York, J. Wiley & Sons · leaf 86
Moment of Inertia of Section of I-beam (Corners not Rounded).—Fig. 89 shows the form and dimensions ofthe section, which is symmetrical about eachof the axes X and Y^ and is for present pur-poses subdivided into three rectangles and ^^ 1four right triangles. Making use, then, ofresults obtained for… … It Fig. 89. ha^ -\-la .cr]-^ 111! \ih - ihyi . h -h 36 \12 —-/ I 12That is, numerically, - 4 • -]■ = 566 + 195.8 + 356 = 1117.8 bi. in. = I,Similarly, the moment of inertia about the axis Y is ^-(8.04)^] 2- aV lil12 + 12 + 4 .36 2 y) -] = 2.^v-i(6)^ + {^muir+4[3V(i)(-v-y+i-v-(ixir] = 22.5 + 0.17 +…
