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Highway Engineering - Engineering

Q1:

If L is the length of the transition curves provided on either side of a circular curve of radius R, the maximum angle of deflection with tangent for the junctions of the transition curve and circular curve, is

A L/R

B L/2R

C L/3R

D L/4R

E none of these.

ANS:E - none of these.

Shift(S)=L^2/24R.

Max angle of deflection with tangent for the junctions of transition curve and circular curve = 4S.
4S = 4 * L^2/24R = L^2/6R.
Answer = None of These.