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2 cards from this section. Quick, good the night before a test.
What is the formula for tangent length?
Think about the relationship between the radius and the deflection angle.
Define deflection angle.
Consider how tangents are positioned relative to curves.
What is the tangent length formula?
Consider how tangents relate to angles and curvature.
True or False: A smaller radius leads to safer curves.
Reflect on road safety principles.
Calculate the radius needed for a road curve where the maximum tangent length is 150 m and Δ is 60°.
Rearrange the formulas to isolate R.
Determine the total chainage if you have five points (20 m apart) from a starting point at 2500 m along a curve.
Focus on properly calculating distance from starting point.
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