A 4° circular curve based on a 20 m. arc connects the tangents intersecting at an angle of 48°. It is to be replaced by another having 20 m. spirals at its ends such that the points of tangency shall be the same. Find the radius of the new curve, distance the curve will move nearer the vertex, central angle of the circular curve, deflection angle of the end point of spiral and distance along tangent of the midpoint of spiral.
A 4° circular curve based on a 20 m. arc connects the tangents intersecting at an angle of 48°. It is to be replaced by another having 20 m. spirals at its ends such that the points of tangency shall be the same. Find the radius of the new curve, distance the curve will move nearer the vertex, central angle of the circular curve, deflection angle of the end point of spiral and distance along tangent of the midpoint of spiral.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A 4° circular curve based on a 20 m. arc connects the tangents intersecting at an angle of 48°. It is to be replaced by another having 20 m. spirals at its ends such that the points of tangency shall be the same. Find the radius of the new curve, distance the curve will move nearer the vertex, central angle of the circular curve, deflection angle of the end point of spiral and distance along tangent of the midpoint of spiral.
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