The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 240
rch A B, and g- that of the portion o 9 B. Through b draw the horizontalline c n, and the vertical line b I; also through G and g, draw the verticallines G h and g k. intersecting en in h and k ; join a h, and produce it toJ; from k set off fc )i, equal to A 6, and through h draw the vertical… … Rg. 7.Problem II.—Let a 6,fig. 7, be two points in the curve of equal hori-zontal thrust, in the arch A B ; required to find the point at which the curveintersects the joint 0 q, being the base of the abutment. Let G be the centreof gravity for the half arch A B, and g- that of the arch and…
Architecture · Civil engineering · Science
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