Economics of bridgework, a sequel to Bridge engineering (1921)
Waddell, J. A. L. (John Alexander Low), 1854-1938 · New York, J. Wiley · leaf 274
0.03 . 0 ,100 200 300 400 500 600 700 800 900 3^00Span- length, in Feet, Fig. 26a. Economic Ratios of Depth of Arch-Rib to Span Length.GS Q6 df 0.8 .. 0.9 ._; 1.0 U f.2 15 1.4 . S … V5 06 . aj^ m 0.9 1.0 // // /? M 15 ^^ahos of ffdaaf Fid Vepfds fo rco/jcmic Eib Depf/js Fig. 20/;. Effects on Rib-Weights from Using Uneconomic Rib-Depths in Braced-Rib Arches. ECONOMICS OF STEEL ARCH-BRIDGES 237 rib and solid-rib arches, however, the hinge should always be placed at mid-depth, so…
Bridges
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
