The radius of the first curve passing PC is equal to 255 m, while of the second reversed curve is 425 m long. If the central angle of both curves is 13°, determine the parallel distance between twoangents.

The radius of the first curve passing PC is equal to 255 m, while of the second reversed curve is 425 m long. If the central angle of both curves is 13°, determine the parallel distance between twoangents.

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter15: Geometric Design Of Highway Facilities

Section: Chapter Questions

Problem 13P

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Concept explainers

Curve setting

A curve is a turn that is provided horizontally or vertically in the design of highways, railways, and runways. A curve connects two straight lines that are separated by the deflection angle. It helps to change the direction and alignment of the highways, railway tracks, and runways. Therefore, the gradual change in their alignment is made by using a curve to provide comfort to the passengers and this also provides an easy turn to change the direction of the moving vehicle.

Question

The radius of the first curve passing PC is equal to 255 m, while of the second reversed curve is 425 m long. If the central angle of
both curves is 13°, determine the parallel distance between twoangents.
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