Problem 3A vertical parabolic sag curve of LapuLapu underpass has a grade of-3% followed by a grade of +1.5% intersecting at station 10 +150.60at elevation 125.00 m above sea level. The change of grade of thesag curve is restricted to 0.5%.1. Compute the length of curve.2. Compute the elevation of the lowest point of the curve.3. Compute the elevation at station 10 + 125.60.

Length :L=Ar=(1.5+3)0.5×100=900m

Answered: to 0.5%. gth of curve.

Engineering

Civil Engineering

to 0.5%. gth of curve.

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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Problem 3
A vertical parabolic sag curve of LapuLapu underpass has a grade of
-3% followed by a grade of +1.5% intersecting at station 10 +150.60
at elevation 125.00 m above sea level. The change of grade of the
sag curve is restricted to 0.5%.
1. Compute the length of curve.
2. Compute the elevation of the lowest point of the curve.
3. Compute the elevation at station 10 + 125.60.

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