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 111
FiG. 33. ity is at the middle of its length, is exactly equal to theweight distributed uniformly over its surface. In shed or lean-to roofs, as Fig. 32, the horizontal pressurewill be entirely remov^ed if the bearings of the rafters, as Aand B {Fig. 34), are made horizontal—provided, however, … ^^. Fig. 34. that the rafters and other framing do not bend between thepoints of support. If a beam or rafter have a natural curve,the convex or rounding edge should be laid uppermost. 87.—Effect of Load on Beam.—The strain in a uniformlyloaded beam, supported at each end, is greatest at themiddle…
Carpentry · Architecture · Building
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
