A vertical parabolic curve has a back tangent of -5% and a forward tangent of +3% intersecting at station 1+240 at an elevation of 100.00m. If the stationing of PC is at 1+120, a.) Evaluate the stationing at the lowest point of the curve. b.) Evaluate the elevation of the lowest point in the curve. c.) Evaluate the grade at the first quarter point.
A vertical parabolic curve has a back tangent of -5% and a forward tangent of +3% intersecting at station 1+240 at an elevation of 100.00m. If the stationing of PC is at 1+120, a.) Evaluate the stationing at the lowest point of the curve. b.) Evaluate the elevation of the lowest point in the curve. c.) Evaluate the grade at the first quarter point.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A vertical parabolic curve has a back tangent of -5% and a forward tangent of +3% intersecting
at station 1+240 at an elevation of 100.00m. If the stationing of PC is at 1+120,
a.) Evaluate the stationing at the lowest point of the curve.
b.) Evaluate the elevation of the lowest point in the curve.
c.) Evaluate the grade at the first quarter point.
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