Practice Example 2.3 (4.3) - Transition Curves

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6 sample questions

Question 1.
What is super-elevation?
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Think about how roads are designed to help vehicles navigate curves.
Question 2.
What does a transition curve do?
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Consider how a curve makes turning easier.
3Question 3.
What is the main purpose of super-elevation in road design?
- To increase speed limits
- To counteract centrifugal force
- To reduce traffic congestion
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Think about a car going around a curve.
4Question 4.
True or False: Transition curves are unnecessary for highways.
- True
- False
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Consider why roads might need to smoothen transitions.
Question 5.
If a car with a mass of 1500 kg travels around a curve of radius 250 m at a speed of 80 km/h, calculate the forces acting on the car, including super-elevation.
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Use f = mv²/r for centrifugal force.
Question 6.
Determine the length of a transition curve given a super-elevation of 0.08 and a speed of 90 km/hr.
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Express speed in m/s and consider the curve radius.

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