15.1 - A compound curve AB and BC
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Practice Questions
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Define a compound curve.
💡 Hint: Think about how curves transition between straight lines.
What is the formula for tangent length?
💡 Hint: Focus on the relationship between the radius and deflection angle.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What formula do we use to find the tangent length?
💡 Hint: Think about how the angle affects the tangent length.
True or False: Compound curves can only be formed with tangents of equal length.
💡 Hint: Consider the flexibility in design.
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Challenge Problems
Push your limits with advanced challenges
Design a compound curve for a road that connects two straight roadways with the first segment having a radius of 500m and a deflection angle of 40°, and the second segment with a radius of 700m and a deflection angle of 50°. Calculate the necessary tangent lengths and total curves.
💡 Hint: Calculate each part one at a time, ensuring angles are correctly input.
If an engineer has to adjust the curvature due to terrain, how might the calculations change? Discuss what parameters might be affected.
💡 Hint: Think of how terrain affects road construction.
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