Raymond, William Galt, 1859-1926, Raymond, William Galt, 1859-1926. cre · New York, J. Wiley & sons, inc · leaf 78
Fig 18 probably the best forms for earth embankment and excavationare those suggested by Mr. D. J. Whittemore.*These are shown in Fig. 18. Examples of the more common * Trans. Am. Soc. C. E., Vol. XXXII, p. 255, September, 1894. 54 BALLAST AND ROAD-BED forms are shown in Fig. 19. The advantage of… … ^/;//^^/P///W///////^^^^ HALF SECTION INEXCAVATION Fig. 19 form. To maintain the usual form with its sharp corners willrequire much more labor than to maintain the naturally roundedcurves of the Whittemore section. Grassing is a material aidto maintenance. It costs something and may be omitted in…
Railroad engineering
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