Adams, Henry · London, New York [etc.] Longmans, Green, and Co. · leaf 139
The method of doing this is shown in Fig. 404, and the true reactions will beas shown by the dotted lines in Fig. 403.) Q. 62. Fig. 405 shows the line diagram of an elliptical roof truss 20 ft. span,7 ft. 6 in. rise, and 10 ft. centres. Draw the frame and stress diagrams, allowingfor a vertical… … EXAMPLES FOR PRACTICE 125 For answer, see Figs. 406 and 406a. (NoTB.—The bending moment on the principal rafter is found by multiplying the stress in the member by the perpendicular distance to the curve, and the W Mmaximum stress is worked by the formula -:- + =-.) r/g. 404-
Building · Structural analysis (Engineering)
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