Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 487
the load line between forces S and 9), it inter-sects the first and last lines of the trial equilibrium polygon at thepoints h and d. The point h is therefore a point on the residtant R^of forces Nos. 9 to 17 inclusive; and by drawing a line parallel to theforce /?/ in the force diagram, we have… … Fig. 227. Pressures on Voussoirs of a Full-Centered Arch. drawing from the point d a line parallel to RJ in the force diagram.Their intersection at the point e gives a point in the line of action of theresultant of the whole system of forces, 7?2; and by drawing from thepoint e a line parallel to…
Architecture · Building
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