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The length of a summit parabolic curve is 131.82m with a sight distance of 83.29m. If the height of the driver’s eyes above the pavement is 1.37m and that of the object over the pavement ahead is 0.10m, compute the slope of the back tangent if the forward tangent has a slope of -3.4%.

The length of a summit parabolic curve is 131.82m with a sight distance of 83.29m. If the height of the driver’s eyes above the pavement is 1.37m and that of the object over the pavement ahead is 0.10m, compute the slope of the back tangent if the forward tangent has a slope of -3.4%.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The length of a summit parabolic curve is 131.82m with a sight distance of 83.29m. If the height of the driver’s eyes above the pavement is 1.37m and that of the object over the pavement ahead is 0.10m, compute the slope of the back tangent if the forward tangent has a slope of -3.4%.

 

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