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Two parallel tangents are connected by a reversed curve having equal radii of 260m. If the central angle of the curve is 9-degrees, compute the length of the chord from the P.C. to the P.T.

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 16P

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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

Two parallel tangents are connected by a reversed curve having equal radii of 260m. If the central angle of the curve is 9-degrees, compute the length of the chord from the P.C. to the P.T.

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