The angle of intersection of T.S and S.T is 70 degrees. The radius of the circular curve is 260 m and the spiral curve length is 110 m. Determine the element of the spiral curve.   a. Determine the external distance of the curve.  b. Determine the central angle of the circular curve.  c. Determine the deflection angle at the end point of the spiral.  d. Determine the offset from tangent at the endpoint of the spiral.  e. Determine the distance along the tangent at the midpoint of the spiral.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The angle of intersection of T.S and S.T is 70 degrees. The radius of the circular curve is 260 m and the spiral curve length is 110 m. Determine the element of the spiral curve.

 

a. Determine the external distance of the curve. 

b. Determine the central angle of the circular curve. 

c. Determine the deflection angle at the end point of the spiral. 

d. Determine the offset from tangent at the endpoint of the spiral. 

e. Determine the distance along the tangent at the midpoint of the spiral. 

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