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Highway Engineering - Engineering

Q1:

If R is the radius of a main curve and L is the length of the transition curve, the shift of the curve, is

A L/24 R

B L2/24 R

C L3/24 R

D L4/24 R

E L/12 R

ANS:B - L2/24 R

The shift is the change in position of the circular curve due to the introduction of the transition curve. It is given by Ls^2/24R.