An unsymmetrical parabolic curve has a forward tangent of -7.25% and a back tangent of +6%. The length of the curve on the left side of the curve is 75 m long while that of the right is 60 m long. The PC is at station 6+590 and has an elevation of 120 m. a. Compute the offset distance between the vertical curve to the point of intersection of forward and back tangents. b. Compute the elevation of the curve at station 6+665. c. Compute the elevation of the highest point of the curve.
An unsymmetrical parabolic curve has a forward tangent of -7.25% and a back tangent of +6%. The length of the curve on the left side of the curve is 75 m long while that of the right is 60 m long. The PC is at station 6+590 and has an elevation of 120 m. a. Compute the offset distance between the vertical curve to the point of intersection of forward and back tangents. b. Compute the elevation of the curve at station 6+665. c. Compute the elevation of the highest point of the curve.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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An unsymmetrical parabolic curve has a forward tangent of -7.25% and a back tangent of +6%. The length of the curve on the left side of the curve is 75 m long while that of the right is 60 m long. The PC is at station 6+590 and has an elevation of 120 m.
a. Compute the offset distance between the vertical curve to the point of intersection of forward and back tangents.
b. Compute the elevation of the curve at station 6+665.
c. Compute the elevation of the highest point of the curve.
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