Duncan, J. (John), d. 1941 · London, MacMillan and co., limited · leaf 100
r pull. Probably the best way ofdoing this is to thicken the lines of the bars under push. If the wholeline is thickened, the direction of the bar will be lost, hence, as shownin Fig. 105 («), a short piece at each end is left thin. SIMPLE STRUCTURES 81 A tabular statement of the forces in the bars… … FIG. 106.—Forces in a common type of roof truss ; weights only considered. TABLE OF FORCES. Name of part. Force in Ib. Name of part. Force in Ib. Push. Pull. Push. Pull. Reaction AB 2000 AH 4225 Reaction GA 2000 — AL — 2480 CH 4675 — AN — 4225 DK 4250 — HK 900 — EM 4250 — KL — 1960 FN 4675 — LM —…
Mechanics
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