b) A 400 m vertical curve connects a -2% grade with a +4%grade. The P.I. is located at chainage 150 meters with analtitude of 29 meters above sea level. Calculate the elevationof the lowest point on the vertical curve.

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Answered: A 400 m vertical curve connects a -2%…

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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b) A 400 m vertical curve connects a -2% grade with a +4%
grade. The P.I. is located at chainage 150 meters with an
altitude of 29 meters above sea level. Calculate the elevation
of the lowest point on the vertical curve.

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Given that vertical curve is parabolic in nature and is represented by the formulaic expression : y=ax²+bx+c
. Calculate the following values of a,b and c

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