2.7.1 - Types of vertical curves
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Practice Questions
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Define summit curve.
💡 Hint: What type of curve occurs at the top of a hill?
What is the recommended rate of change for gradients at a summit?
💡 Hint: How gradually should we change slopes for comfort?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main characteristic of a summit curve?
💡 Hint: Think about the shape of a hill.
True or False: The rate of change for a valley curve should be greater than that of a summit curve.
💡 Hint: Remember the specifications for design safety.
1 more question available
Challenge Problems
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Based on a summit curve with a gradient of 2% upward followed by a 1.5% downward, calculate the necessary length of the vertical curve to ensure a smooth transition.
💡 Hint: What is the total change in gradient you need to consider?
Design a valley curve connecting a steep downgrade of 3% to a mild upgrade of 1%, and assess the required sight distance to ensure safety.
💡 Hint: Remember that sight distance should account for nighttime conditions too!
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