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Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 1 (Q.No. 20)
Surveying
20.
If R is the radius of the main curve, θ the angle of deflection, S the shift and L the length of the transition curve, then, total tangent length of the curve, is
(R - S) tan θ/2 - L/2
(R + S) tan θ/2 - L/2
(R + S) tan θ/2 + L/2
(R - S) tan θ/2 + L/2
(R - S) cos θ/2 + L/2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
16 comments Page 2 of 2.
Sangu G said:   7 years ago
Please can anyone explain?
Shubham v said:   7 years ago
What is meant by Shift?
Jyoti singhal said:   6 years ago
Please explain in detail. I am unable to understand.
Warren said:   6 years ago
It is based on a spiral curve, rigth?
Mayur said:   6 years ago
@Shubham V.

Shift is difference between line of transition curve and circular curve.
Bikash Thapa said:   2 years ago
R = Radius of the main curve.
S =Shift.
L = Length of the Transition curve.
θ = Angel of Deflection.

Then (Radius + Shift ) tan θ/2 + L/2.
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