If a vertical curve is introduced between an upgrade of 0.5 in 100 followed by a down grade of 0.9%, determine the length of the parabolic curve, the offsets at every 30 m and the R.Ls of the various corresponding points on the curve when given the R.Is of the ground at the point of intersection is 40 m. 3. If a vertical curve is introduced between an upgrade of 0.5 in100 followed by a down grade of 0.9%, determine the length ofthe parabolic curve, the offsets at every 30 m and the R.Ls ofthe various corresponding points on the curve when given theR.ls of the ground at the point of intersection is 40 m.

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Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter15: Geometric Design Of Highway Facilities

Section: Chapter Questions

Problem 21P

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If a vertical curve is introduced between an upgrade of 0.5 in 100 followed by a down grade of 0.9%, determine the length of the parabolic curve, the offsets at every 30 m and the R.Ls of the various corresponding points on the curve when given the R.Is of the ground at the point of intersection is 40 m.

3. If a vertical curve is introduced between an upgrade of 0.5 in
100 followed by a down grade of 0.9%, determine the length of
the parabolic curve, the offsets at every 30 m and the R.Ls of
the various corresponding points on the curve when given the
R.ls of the ground at the point of intersection is 40 m.

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