Raymond, William Galt, 1859-1926, Raymond, William Galt, 1859-1926. cre · New York, J. Wiley & sons, inc · leaf 77
ants adjacent to the line. Burnt earth, used mostlyin the West, is obtained by burning clayey earth in kilns formedby piling wood — old ties or 4-foot fire-wood — in piles about3 feet high and of the desired length, anything up to a mile,covering the pile with alternate layers of slack coal and… … 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…
Railroad engineering
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