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Concrete bridges and culverts, for both railroads and highways (1909)
Tyrrell, H. G. (Henry Grattan), b. 1867 · Chicago The M.C. Clarke publishing co. [etc.] · leaf 203
1.5 $ 70 6 6 5, - 10 232 2.2 110 8 7.5 *s - 8 365 3.7 150 10 9 ^8 - 7 510 5.5 200 fl 11 s - 6J 612 8.1 250 n 12 5 h - 7 970 10 8 310 16 14 ^^ - 6>2 1160 13.9 370 18 16 U - 5 2 1540 17.7 440 20 18 U - 5 1880 22.2 510 Height Cost 4 $ 280 ri 340 6 410 7 510 8 650 9 770 10 880 11 1030 12 1190 Beam… … HIGHWAY BEAM BRIDGES. 185 The economical lengths and forms for concretebeam bridges are as follows: Simple slabs are eco-nomical for spans up to 12 feet. Beam bridgessimilar to Figures 37 and 39, supported on parallellongitudinal beams, are economical for spans from12 to 25 feet in length, while…Bridges, Concrete · Culverts
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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