2.47 - A 4.56° circular curve is to be designed to fit between two intersecting straights. What is the radius of this curve? (Ans:1256.49 m)
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Practice Questions
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What is the deflection angle provided in this section?
💡 Hint: Refer to the section title for the angle measurement.
What is meant by circular curve?
💡 Hint: Think about how roads transition from straight to circular.
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Interactive Quizzes
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What is the radius calculated for a circular curve with a 4.56° deflection angle?
💡 Hint: Refer back to the calculation presented.
True or False: A circular curve connects two straight paths.
💡 Hint: Consider how bends in roads are designed.
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Calculate the radius of a circular curve with a deflection angle of 10° and an arc length of 1000 m.
💡 Hint: Make sure you calculate sin of half the angle first.
Discuss the factors affecting the choice of radius in designing a highway curve.
💡 Hint: Think about how these factors affect safety and road usability.
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