Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 345
rtions of radii of the arcs mentioned; and,although their lengths remain unchanged, theirtops are farther apart than their feet, and thisrenders it necessary to lengthen the diagonals. 3UG PRACTICAL CAHPEXTEY If we divide the span in feet by 50, thequotient will be ordinarily a sufficient camberin… … Fig. 263. Principle of Cambering Howe Truss. about one inch for each 100 feet of its span; infact, the deflection is frequently much less thanthis. The excess of length of the ui)per chordover that of the lower one will be: SxDGpthxCamber SpanThis rule applies closely with any camber notexceeding…
Architecture · Building
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