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 178
ckness of the keys should be about halftheir breadth, and the amount of their united thicknessshould be equal to a trifle over the depth and one third ofthe depth of the girder. Instead of bolts orpins, iron hoopsare sometimes used ; and when they can be procured, theyare far preferable. In this… … Fig. 44. die, if it can be avoided. (See Art. 87.) Girders shouldrest from 9 to 12 inches on each wall, and a space should beleft for the air to circulate around the ends, that the damp-ness may evaporate. 164--—Girders: Dimensions.—The size of a girder, forany special case, may be determined by…
Carpentry · Architecture · Building
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
