Practice Example 2.4 (4.4) - Transition Curves

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6 sample questions

Question 1.
What is super-elevation?
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Think about curves in roads.
Question 2.
Define a transition curve.
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Consider how curves change shape.
3Question 3.
What is the main purpose of super-elevation?
- To increase the speed limit
- To counteract centrifugal force
- To improve fuel efficiency
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Think of curves!
4Question 4.
True or False: Transition curves are always circular.
- True
- False
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Consider their design principles.
Question 5.
Calculate the necessary super-elevation for a vehicle moving at 90 km/h on a curve with a radius of 300 m. Show your working.
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Convert speed to m/s first.
Question 6.
Given a design scenario where the transition curve must last for 200 m, designed for a vehicle speed of 70 km/h, determine the super-elevation and how it affects passenger comfort.
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Pay attention to pitch and roll factors.

4 more questions in this section. Enroll free to practise them all.