2.43 - Derive the formulae to calculate various elements to set out a simple circular curve.
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Practice Questions
Test your understanding with targeted questions
What is the formula for calculating the length of the curve?
💡 Hint: Consider the components involved in circular curves.
Define the term 'radius' in relation to a circular curve.
💡 Hint: Relate it to the curve itself.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the radius (R) represent in a circular curve?
💡 Hint: Think about what defines the shape of the curve.
Is the tangent length (T) calculated using the formula T = R * tan(Δ/2)?
💡 Hint: Recall the components of the tangent calculation.
1 more question available
Challenge Problems
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You have a circular curve with a radius of 300 m and a deflection angle of 75°. Calculate the length, tangent length, and mid-ordinate.
💡 Hint: Ensure all angle calculations are in degrees.
Discuss the impact of increasing the radius from 200 m to 400 m on the safety and design of a road curve.
💡 Hint: Think about vehicle speed and road safety principles.
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