l represent the stress at c in magnitude and direc- in the tie QR, the oblique stress at c, and the two reactions would have been given tion. The force polygon for this half of the frame will be WUSZW. Had the by one construction. If the first equilibrium polygon, start- other half been taken, the… … Now the analysis of the other internal stresses may begin at Q,R, or c, and pro- These are for the same problem as Fig. ceed in the usual way, the results of which are given in Fig. 4. 2, but the scale of the figures are one-
Engineering
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