Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 477
hich are the centers of gravity, respectively, of the two triangles. Thecenter of gravity of the combination of the two triangles must lie onthe line joining o^ and o^, and must be located on the line at distancesfrom each end which are inversely proportional to the areas of the tri-angles. Since… … Fig. 231. Forces Acting on Abutments. 400 MASONRY AND REINFORCED CONCRETE 381 On the vertical line, we lay off a distance equal to o^o^. By joinin^ij thelower end of this line with the right-hand end of the line aj, and thendrawing a parallel line from the point between gc and af, we havedivided…
Architecture · Building
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