GATE CE 2017 Set 2 — Question 22
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Geomatics Engineering → Curves → Vertical Alignment
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Question
The VPI (vertical point of intersection) is away (when measured along the horizontal) from the VPC (vertical point of curvature). If the vertical curve is parabolic, the length of the curve (in meters and measured along the horizontal) is ___________
Correct answer
199.99 to 200.01
Solution
For a symmetric parabolic vertical curve, the horizontal distance from the point of vertical curvature (VPC) to the point of vertical intersection (VPI) is exactly half of the total horizontal length of the curve ().Given:
Distance from VPC to VPI = Therefore,
Distance from VPC to VPI = Therefore,
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