Manual for railroad engineers and engineering students : containing the rules and tables needed for the location, construction, and equipment of railroads as built in the United States (1883)
Vose, George L. (George Leonard), 1831-1910 · Boston : Lee and Shepard · leaf 317
tween the height and the dis-tance between the trestles. A structure of this kind placed uponheavy screw piles furnishes a good mode of crossing wide bot-toms, where stone-work is expensive, and foundations difficult toobtain. It is also suited for highway bridges passing over rail-ways, where it… … Fisr. 121. stiffened by radial pieces, while the centre of the horizontal tiemay be supported from the ground beneath, when the locationadmits of such an arrangement. When there is no support ex-cept the abutments, the system of bracing, shown in Figs. 122 and
Railroad engineering
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