Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 216
rests on end supports and sustains three loads each of 2,000pounds as shown. Each member is 16 feet long. Evidently, reactions are each 3,000 pounds. Followingdirections of Art. 26, first letter the truss diagram and then … Fig. 27. draw a polygon for the loads and reactions representing themin either order in which they occur about the truss. DCBAEDis a counter-clockwise polygon, DC, CB, and BA representing theloads at joints (1), (2) and (3), AE the left reaction, ED the rightreaction. 175 42 STATICS The…
Architecture · Building · Carpentry
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