The stopping sight distance of the parabolic curve is 135m. The curve has a back tangent grade of 2% and forward tangent grade of -3% intersection at station 10+221 and elevation 200m. The height of the driver’s eye is 1.4m and that of the obstruction is 0.15m. Compute the length of the curve and the elevation of the highest point of the curve.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The stopping sight distance of the parabolic curve is 135m. The curve has a back tangent grade of 2% and forward tangent grade of -3% intersection at station 10+221 and elevation 200m. The height of the driver’s eye is 1.4m and that of the obstruction is 0.15m. Compute the length of the curve and the elevation of the highest point of the curve.

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