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2 cards from this section. Quick, good the night before a test.
What is the formula for tangent length?
Remember what the symbols stand for!
Define chainage in civil engineering.
Think about how we measure distances on a roadmap.
What does the term 'chainage' refer to in civil engineering?
Think about how distances are laid out in construction plans.
Is the formula for tangent length correct: L = R * tan(Δ/2)?
Recall our discussion about tangent lengths.
Given a straight path with a radius of 250m and a deflection angle of 45°, calculate the tangent length and chainage at the point of tangency.
Focus on applying trigonometric identities for calculating the tangent length.
A road segment has a curve with a radius of 500m, and a deflection angle of 90°. Calculate both the tangent length and the total curve length.
Ensure you convert the deflection angle to radians when calculating curve lengths.
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