A grade descending at the rate of 2% is to be connected with a grade ascending at the rate of 3.6% by vertical parabolic curve. The curve must pass through a point 1.4m above the vertex. The elevation of the PC is 98.6m and stakes are to be set at 20-m intervals. Compute the elevations on the curve at each stake. Show solutions, elements, and figure with dimensions.
A grade descending at the rate of 2% is to be connected with a grade ascending at the rate of 3.6% by vertical parabolic curve. The curve must pass through a point 1.4m above the vertex. The elevation of the PC is 98.6m and stakes are to be set at 20-m intervals. Compute the elevations on the curve at each stake. Show solutions, elements, and figure with dimensions.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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SYMMETRICAL VERTICAL PARABOLIC CUVES
A grade descending at the rate of 2% is to be connected with a grade ascending at the rate of 3.6% by vertical parabolic curve. The curve must pass through a point 1.4m above the vertex. The elevation of the PC is 98.6m and stakes are to be set at 20-m intervals. Compute the elevations on the curve at each stake. Show solutions, elements, and figure with dimensions.
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