Abstract

This article focuses on the benefits of using spatial geometry in a railway design. The mentioned spatial geometry is a combination of a transitional curve and a curve in a vertical plane. Some advantages and disadvantages of this approach in comparison to the one used on Russian railways today are emphasized. Moreover, research in related fields is being considered and a new conventional scheme of railway geometry has been introduced which uses the above-mentioned spatial geometry, biclothoid curve design and non-linear ramp of a cant in a transitional curve. The conclusion about inappropriateness of some current regulatory requirements for railways in the Russian Federation is made.

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