The centerline of two parallel tracks are connected by a reversed curve. The angle of intersection of the first curve is 15 degrees and the distance between parallel tracks is 30m. If the radius of the second curve is 300m. a. Compute the length of the long chord from P.C. to P.T. ANS. 229.839m b. Compute the radius of the first curve. ANS. 580.432m

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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  1. The centerline of two parallel tracks are connected by a reversed curve. The angle of intersection of the first curve is 15 degrees and the distance between parallel tracks is 30m. If the radius of the second curve is 300m. a. Compute the length of the long chord from P.C. to P.T. ANS. 229.839m b. Compute the radius of the first curve. ANS. 580.432m 

    please also include the drawing of the curve
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In finding the R2 why do we need to subtract it by 300?

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