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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 246

An illustration from Concrete bridges and culverts, for both railroads and highways, 1909, leaf 246 — 2 Portals:—Concrete 43.4yds. (&t8,0)=f347.2Steel 2670 lbs. @ .04= 106.81454.0 00 = $26.4 .04= 9.2 $35.6 AreB = 128 sq. ft. Length for 120 ft. bank = 39 ft. Cost for 20 ft. br.nk, $1844. Fig. .-.( CONCRETE CULVERTS AND TRESTLES. 227 R is the hpi<z-lit in feet, and D the crown thicknessin… … Fig. .57. TABLE XI CULVERT DATA, FIGURES 48 TO 56 20 ft. Bank 48 1.5 12 ISO 49 20 11 230 r>() 1.5 11 161 51 1.5 11 172 .52 20 12 240 r-,A 20 12 250 .54 10 10 92 5.5 20 11 215 56 16 10 128

Bridges, Concrete · Culverts

Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.

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