International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 452
e in the curve;hence, for a curve with a central angleof 30°, the number of 29^-ft. rails re- • J • 30 quired is — 6 5. In laying the track. the short rails should be equally dis-tributed throughout the curve. Therails are curved either with a rail ben-der, shown in Fig. 495, or by the aidof a… … 1042 TRACK WORK. between .two ties, at about 0 feet from the end of therail to be curved. The track lever D is then let intothe hook C, and the men pry down upon the rail />,giving it the required curve. The quarter points shouldalways be curved before the center, as it often happens thatthe…
Railroad engineering
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