The American house carpenter. A treatise on the art of building. Comprising styles of architecture, strength of materials, and the theory and practice of the construction of floors, framed girders, roof trusses, rolled-iron beams, tubular-iron girders, cast-iron girders, stairs, doors, windows, mouldings, and cornices; together with a compend of mathematics. A manual for the practical use of architects, carpenters, stair-builders, and others (1880)
Hatfield, R. G. (Robert Griffith), 1815-1879, Hatfield, O. P., ed · New York, J. Wiley & sons · leaf 222
t. Then FD is equal to half the whole load, andequal to the reaction of the support E {Fig. y6). The linesin the triangle A D E give the strains in the correspondinglines converging at the point A D E oi Fig. yo. The otherlines, according to the lettering, give the strains in the cor-responding… … Fig. 79. Here the vertical G K, containing the three upper loadsGH, H y, and JK, is divided equally at IV, and the lower 186 CONSTRUCTION. load E Fis placed half on each side of W, and extends from £to F. Then FG represents one half of the whole load of thetruss, and therefore the reaction of the…
Carpentry · Architecture · Building
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