1.2 - By successive bisections of arcs
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Practice Questions
Test your understanding with targeted questions
What is the purpose of setting out circular curves in civil engineering?
💡 Hint: Think about construction projects.
Define 'offset' in the context of setting out curves.
💡 Hint: Consider how a curve relates to straight lines.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the first step in the method of successive bisection of arcs?
💡 Hint: Think about how a curve starts.
True or False: Ordnates are used to measure distances perpendicular to the curve.
💡 Hint: Think of how you would position a curve with respect to a straight line.
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Challenge Problems
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During the construction of a new bypass, engineers must set out a circular curve with a radius of 60 meters. If the angle subtended at the center is 60 degrees, calculate the total offset using the versine method.
💡 Hint: Double-check your angle conversion:
A road engineer encounters rocky terrain, making traditional curve setting challenging. By applying the successive bisection of arcs method and starting with a straight section of 80 meters, demonstrate the steps involved in laying out the curve.
💡 Hint: Remember how precise measurements dictate the final angle and curve arrangement.
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