Field-book for railroad engineers. Containing formulas for laying out curves, determining frog angles, levelling, calculating earth-work, etc., etc., together with tables of radii, ordinates deflections, long chords, magnetic variation, logarithms, logarithmic and natural sines, tangents, etc., etc (1877)
Henck, John Benjamin, 1816-1903 · New York : D. Appleton · leaf 34
ficientaccuracy, l^y multiplying this decimal by the number expressing thedegree of the curve. By the above formula for m, the ordinates for curving rails in TableI, are calculated. Article II. — Reversed and Compound Curves. 30. Two curves often succeed each other having a common tangeniat the… … tney have different radii, and form a compound curve. Thus A B Cfiff. .5) is a reversed cirve, and .1 B D % comoound curve. 16 CIRCULAR CURVES. 31, ProbleiJl. To lay out a reversed or a compound cun>e, tufien.the radii or dejiection anyles and the tangent points are known. Solution. I/ay out the…
Railroad engineering · Ferrovias
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Works. Popular edition.] 2 series (1886)](https://img.insideoutlibrary.com/img/200/bl-bl_003191336_9-354-1.webp)
