2.41 - What is meant by rate of change of grade on vertical curves and why it is important?
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Practice Questions
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What is a vertical curve?
💡 Hint: Think about how roads change as they go up or down.
Why is the rate of change of grade important?
💡 Hint: Consider the experience of driving on steep hills.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the rate of change of grade refer to?
💡 Hint: Focus on how slopes are described.
True or False: A gradual grade change improves driver comfort.
💡 Hint: Consider how steep roads feel when driving.
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Challenge Problems
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Design a vertical curve transitioning from a +5% gradient to a -3% gradient over 200 meters. Calculate the appropriate rate of change and describe how this impacts vehicle dynamics.
💡 Hint: Use the formula for determining grade changes in roads.
Evaluate the impact of a 10% grade change occurring over a distance of 10 meters. What are the potential hazards?
💡 Hint: Consider the dynamics of different vehicle types on steep gradients.
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