he heaviest continuous lines denote the mem¬ than two unknown strains meet at a joint of a truss, the strains in the bers of the truss or frame, and also the loads thereon. Lighter continuous truss members can be found graphically, and to do this under any lines denote the strains in the members.… … a letter to the space on each side of the line, and naming the line by both letters. for equilibrium polygon, and the direction of forces meeting it. The In the strain diagram these letters are placed at ends of the strain line dotted lines indicate assumed auxiliary lines, which are used for…
Architecture · Building
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