Advantages of lemniscate processes over cubic parabola and its use on railroads for transitioning circular curves are discussed; method is described by which suitable length of transition spiral and equation for setting it out without use of fractional angles, can be calculated from first principles.
Lemniscate -- Its use for transitioning railway curves and calculations for
Int Ry Congress Assn -- Monthly Bul
1963
9 pages
Article (Journal)
English
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