2.73 - A proposed road consists of a rising gradient of 2% followed by a falling gradient of 4%...
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Practice Questions
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What is the definition of a gradient?
💡 Hint: Think about how elevation changes along a road.
How high is a driver's eye level in our calculations?
💡 Hint: It's a common height used in road design.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a 2% gradient indicate?
💡 Hint: Think about how we measure inclines.
Visibility calculations are important for which reason?
💡 Hint: Safety should always be a priority in design.
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Challenge Problems
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Design a road profile connecting a 3% rise to a 5% fall with a parabolic curve of 100 m in length. Calculate the reduced levels at 25m intervals.
💡 Hint: Keep the gradient rates in mind and divide the curve accordingly.
Devise a scenario where the visibility distance is inadequate due to design flaws. How would you redesign it to improve visibility?
💡 Hint: Ensure each driver has clear sight for safety.
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