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 328
rbed is of a loose and yielding substance with a hard bed beneath,into which the piles are driven, especial care will be required toprevent lateral motion in the work. When not too deep the sur-face material may be replaced by broken stone, thrown in so asto make a permanent bed around the piles.… … Fig. 131. on the outer sides. The Mississippi, at Ouincy, has a gentleslope, a wide area, and does not scour, as it does below the en-trance of the Missouri, and thus the above method is applicable.
Railroad engineering
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