Adams, Henry · London, New York [etc.] Longmans, Green, and Co. · leaf 108
rnalforces on the main truss. The frame diagram of a lantern light withloading is shown in Fig. 309, and the reactions are obtained by thefunicular polygon in the reciprocal diagram, Fig. 310. These reactionsare then transferred as loads to the main truss, Fig. 311. The lanternlight is here taken… … Fic/ S09 F/g. 31 o able. Now set down the load line 1 to 9 in Fig. 312 and join 1—9. Selectany pole 0 and draw funicular polygon in Fig. 311 across spaces 1 to 9.Then draw 2—21, 8—21; and 21—10 horizontal. Parallel with 10—0draw corresponding line in funicular polygon, then draw a horizontalthrough…
Building · Structural analysis (Engineering)
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