A parabolic sag curve has a sight distance of 118 m. the tangent grades of the curve are -3% and +5%. (a) Compute the length of the curve in m. (b) Compute the maximum speed that a car could move along this curve to prevent skidding in kph. (c) If the PC is at station 12+548.56 and elevation of 132 m, find the elevation of the lowest point on the curve in m.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A parabolic sag curve has a sight distance of 118 m. the tangent grades of the curve
are -3% and +5%. (a) Compute the length of the curve in m. (b) Compute the maximum
speed that a car could move along this curve to prevent skidding in kph. (c) If the PC is
at station 12+548.56 and elevation of 132 m, find the elevation of the lowest point on the
curve in m.
Transcribed Image Text:A parabolic sag curve has a sight distance of 118 m. the tangent grades of the curve are -3% and +5%. (a) Compute the length of the curve in m. (b) Compute the maximum speed that a car could move along this curve to prevent skidding in kph. (c) If the PC is at station 12+548.56 and elevation of 132 m, find the elevation of the lowest point on the curve in m.
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