Surveying

Q1: In a lemniscate curve the ratio of the angle between the tangent at the end of the polar ray and the straight, and the angle between the polar ray and the straight, is

A 2

B 3

C 4

D 5

E 3/2

ANS:E - 3/2

From INTRINSIC EQ FOR transition curve alfa/phi =3, the how it is 3/2?

Because lemniscate curve is made from two transition curve without introducing circular curve.



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