Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 5 (Q.No. 18)
18.
Rankine's deflection angle in minutes is obtained by multiplying the length of the chord by
degree of the curve
square of the degree of the curve
inverse of the degree of the curve
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Beekram Lama said:   3 years ago
Using 30m arc or chord definition the degree of curve D = 1718.9/R.
And the Rankine's deflection angle for the chord of length S is S*1718.9/R.
Hence, option A is correct.
(3)

Mano said:   6 years ago
How it was obtained?
(1)

John said:   4 years ago
Da = (D *C) ÷ 200.

Where
Da= deflection angle,
D= degree of curve,
C = Length of Chord.

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