Problem 03 - Symmetrical Parabolic Curve

Problem
A grade line AB having a slope of +5% intersect another grade line BC having a slope of –3% at B. The elevations of points A, B and C are 95 m, 100 m and 97 m respectively. Determine the elevation of the summit of the 100 m parabolic vertical curve to connect the grade lines.

  1. 98.32 m
  2. 99.06 m
  3. 97.32 m
  4. 96.86 m

 

Solution

 

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