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 261
Fig. 104. 24-3.—Bridges: Built-Rib.—Fig. 105 represents a bridgewith a built-rib (see Art. 231) as a chief support. The curveof equihbrium will not differ much from that of a parabola;this, therefore, may be used—especially if the rib is made … Fig. 105. gradually a little stronger as it approaches the buttresses.As it is desirable that a bridge be kept low, the followingtable is given to show the least rise that may be given to therib. Span in Feet. Least Rise in Feet Span in Feet. Least Rise in Feet Span in Feet. Least Rise in Feet 30…
Carpentry · Architecture · Building
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
