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 208
cor-rect as worked from the premises given; but in practicethere is always more or less load on the bottom chord at themiddle, which should be considered. This will be includedin a case proposed in the next article. One half of the dia- LOAD ON BOTH CHORDS. 171 gram of forces is now complete. The… … Fig. 54- equally distributed load on each chord, represented by thearrows and balls shown in the figure. Let each bay measure10 feet, or the length ot the girder be 50 feet, and its height / B / D X\ V ^ / /-» \ /\ X y\ / \ / \ / n / \ /\ / \/ \/ \^ / \/ \ ■ /\ y\ \y \ \ / \ F \ \/ y H ^ Fig. 55.…
Carpentry · Architecture · Building
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